CHRONOLOGICAL LIST OF ARNOLDIA ARTICLES, 1941-1969

Volume 1, 19411 *Winter Foliage Color of Narrow- A Simple Change in Name, E. D. leaved Evergreens Merrill *Broad Leaved Evergreens in Good *The White Flowering Rhodora Condition with Foliage * 1941 Sources for Rare Woody Throughout the Winter (Oct. 1942-April 1943) *1941 Sources for Rare Woody *Winter Injury in the Arnold Arbo- Plants, Supplementary List retum, 1942-43 The One-Hundredth Anniversary of Ghent Hybrid Azaleas are Hardy in the Birth of Charles Sprague New England, Bessie Collier Sargent (anonymous) Ellery *Rhododendron Injury *Crab Apples for Ornamental Fruit *Winter Injury and Serious Pests To *Woody Plants with Yellow or Be Fought Now White Fruits Growing in the Hibiscus syriacus, George Graves Arnold Nut Growing in the Northeastern *Simple Key to the States, L. H. MacDaniels *Simple Foliage Key to the Hem- * Grown in America locks and *A Simple Foliage Key to the Volume 2, 1942 Flowers of the Chinese New Year, Volume 4, 1944 Franklin P. Metcalf Food Plants in the Arnold Arbore- *Nursery Sources for Nut tum, Ernest J. Palmer Asa Gray and His Quest for Shor- *Short Guide to Care of the tia galacifolia, Charles F. Jen- During War Time kins *Rhododendron Winter Injury *The Highbush Blueberry *Spring Displays in the Arnold Ar- *The One Hundred "Best" Lilacs boretum, 1944 The Medicinal Garden of the *How to Spend an Hour in the Ar- Massachusetts College of nold Arboretum Pharmacy, Heber W. Youngken Emergency Food Manuals, E. D. * Euonymus Merrill An Amateur’s Observations on Har- *Autumn Color diness from Growing Rhodo- *Available Rapid Growing Vines dendrons in the Pacific North- for the United States west, Herbert G. Ihrig Expeditions to the Alaska Military *Foliage Colors of Woody Plants, Highway 1943-1944, Hugh April to September M. Raup Volume 3, 1943 Volume 5, 1945 *Planting Vegetables *An Early Spring *The Naming of Horticultural Vari- Build Bird Populations with Food eties Plants, C. Russell Mason

Titles marked wsth an asterssk were written by Dr. Donald Wyman 1 *Spring Rushes On *The Drought *The Park Arboretum-How to Es- *Fruit This Fall tablish One as a Living War *Woody Plants with Interesting Bark Memorial in Winter *Report on the *Spent Hops-An Effective Mulch- Hedge Demonstration Plot ing Material *Viburnums for the Northern Uni- ted States Volume 8, 1948 The Glenmore Arboretum at Buf- Metasequoia, Another "Living Fos- falo Creek, Colorado, Robert sil," E. D. Merrill E. Moore *Spring-1948 British in War Time as *Labels in the Arnold Arboretum Seen by an American Soldier, *Destroy Dead Immedi- C. E. Kobuski ately *A Trip Through the Arboretum Volume 6, 1946 During Lilac Time *Spring in 1946 Blueberry Cages, George O. Clark Peony, John C. Wister *Syringa prestoniae *The Garden Club of America * Rhododendrons Tours the Arnold Arboretum *New or Rare Ornamental Plants May 15, 1946 Recently Distributed to Com- On the History of the Introduction mercial Nurserymen by the of Woody Plants into North Arnold Arboretum America, Alfred Rehder *William H. Judd, Propagator Volume 9, 1949 for Northern Gardens, *Sources for a Few New Plants Robert A. Young The Azalea Border, Beatrix Farrand Contemplated Landscape Changes *Spring 1949 at the Arnold Arboretum, Bea- *Lilacs trix Farrand *The Wisterias Hemlock-The Queen of , *Flower Colors of Hardy Hybrid Charles F. Jenkins Rhododendrons Peters Hill, Beatrix Farrand Volume 7, 1947 Growing Rhododendrons from *The Past Year at the Arnold Arbo- Seed, Richard H. Filmore retum Looking Towards Beach Cul- at the Arnold Arbo- tivation, George Graves retum, Karl Sax The Bussey Institution, Karl Sax Volume 10, 1950 *Watch the Elms - Work of the *Spring in the Arboretum Cabot Foundation, Scott S. Fifty Years of in North- Pauley ern Manitoba, F. L. Skinner *The Forsythias *American Needs to *The Better Oriental Cherries Adopt Uniform Color Standards *The Best of the Crab Apples *Seed Collection Dates of Woody *A Spring Walk Through the Arnold Plants Arboretum

2 The Control of Plant Development Volume 13, 19533 with Maleic Hydrazide, Richard *Some of the Best Vines and Ground H. Filmore Covers for Massachusetts Gar- *Order of Bloom dens Rootstocks for Lilacs, Karl Sax *Pruning Ornamental Shrubs and *Killing Woody Plants with Chemi- Trees cals *Layering Plants in Holland Dwarf Trees, Karl Sax *Two Months of Azalea Bloom *Fruiting Habits of Certain Orna- *For the Record mental Plants *Seeds of Woody Plants New Methods of Plant Propaga- Volume 11, 19511 tion, Lewis Lipp *Forty-Five of the Best Shrubs for The Arnold Arboretum Spray Massachusetts Gardens Schedule, Robert G. Williams *The New Ground Cover Display and Alfred J. Fordham Plots at the Arnold Arboretum *Metasequoia Brought Up-To-Date Volume 14, 1954 *The Larz Anderson Collection of *Japanese Dwarfed Trees Japanese Dwarf Trees *Flowering Displays in the Arnold *Some Shrubs for at Least Two Sea- Arboretum sons of Beauty *Some Shrubs and Trees with Col- The Effect of Light on Seed Ger- ored Foliage Growing in the mination, Lewis Lipp Arnold Arboretum *Smaller Street Trees Needed *Fifty of the Better Ground Covers *Air Layering with Polythene Film Propagating Some Rarer Plants *Simple Key to the Pines from Seed, Robert G. Cogge- *Five Interesting Trees shall *Woody Plants Used in Colonial *Some Old Fashioned Roses at the Williamsburg Arnold Arboretum *Elms Grown in America An Education Program at the Ar- nold Arboretum, Richard A. Volume 12, 1952 Howard *Forty-Five of the Best Trees for *Hurricane "Carol" in the Arnold Massachusetts Gardens Arboretum Nut Growing in the Northeastern *Rehabilitation of Trees Injured by States, L. H. MacDaniels Hurricanes of 1954 *The Flower Colors of One Hun- Polyethylene Plastic-Its Applica- dred Hardy Azaleas tion to the Propagation of *Spring Comes to the Arnold Arbo- Cuttings, Roger retum G. Coggeshall A Note on Ligustrum ibolium, *Wilfred Wheeler-The Holly Man John L. Creech *Some Winter-Killing of Certain Volume 15, 19555 Shrubs, As a Result of the *Forcing Hardy Wood Plants in the Winter of 1951-522 for Early Bloom *Autumn Color Plant Breeding at the Arnold Ar- *The Hunnewell Arboretum 1852- boretum, Karl Sax 1952 *Spring Comes to the Arboretum 3 *The Arboretum Lilacs in their Or- Volume 18, 1958 der of Bloom The Juvenile Characters of Trees A Revised Glossary of the More and Shrubs, Karl Sax Common Botanical and Hor- *Two New Mahoberberis Hybrids ticultural Terms, Clarence E. *A Spring Walk Through the Ar- Kobuski nold Arboretum *Potentilla fruticosa, A Common The Meadow, R. A. Howard but Little Known Plant The Horticultural Herbarium, Clar- *Cotoneasters ence E. Kobuski Christmas Plants in the Horticulture on Postage Stamps, Area, Richard A. Howard and Claude Weber Carroll E. Wood, Jr. *The Case Estates of the Arnold Ar- boretum Volume 16, 1956 . *The Shrub Altheas *An Early Spring? *Christmas Show of Holiday Decor- Paste the Poison Ivy, Karl Sax ations *Eighty Trees for the Small Place *Woody Plants with Interesting Bark *Arboretum Spring Planting Notes in Winter *Crab Apples for Ornamental Fruits *The New International Code of *New and Rare Ornamental Woody Nomenclature for Cultivated Plants Recently Distributed by Plants the Arnold Arboretum *Acer platanoides ’Crimson King’ vs Volume 19, 1959 ’Fassen’s Black’ The Arnold Arboretum Spray *The Ground Cover Demonstration Schedule, Robert G. Williams Plots (Brought up to Date) *These Are the Forsythias Christmas Decorations from Woody *Crab Apples of Merit Plant Materials, Florence and The Lilacs of New England, Bur- Donald Wyman dette L. Wagenknecht A Booklet on Lilacs from Russia, Volume 17, 1957 Richard A. Howard Some Cultivated Relatives of the Propagation and Care of Lilacs, Camellia, Carroll E. Wood, Jr. Alfred J. Fordham *Winter Injury-1957 Plant Collecting in the Southeast- *The Hedge Demonstration Plot ern United States, C. E. Wood, Twenty Years after Planting Jr. *Something New Has Been Added- *Viburnums Cocoa-shell Mulch Christmas Plants Around the World, *Winter Injury-1957 (Continued) Burdette L. Wagenknecht *A New Boxwood Asiatic , Their Propagation Volume 20, 1960 from Cuttings, Rooting Ghent Azaleas Under Plas- Roger Coggeshall tic, Roger Coggeshall *The New Horticultural Color Chart *Plants of Possible Merit? *Broad-leaved Evergreens in the Ar- *Magnolias Hardy in the Arnold Ar- nold Arboretum boretum

4 *Shrub Honeysuckles with Pink to Volume 22, 1962 Red Flowers *The Majestic Propagation of Woody Plants by *Barberries Seed, A. J. Fordham *The *Ilex crenata and Its Varieties *Hawthorns *Hurricane "Donna" The Charles Stratton Dana Green- Forsythia ’Karl Sax’, Joab L. houses of the Arnold Arbore- Thomas tum, Richard A. Howard *Ornamental Fruits, 1960 Herbaceous Aliens in the Arbore- The Hillcrest Gardens, Weston, tum, Peter S. Green Massachusetts, Richard A. *The Honeysuckles Howard *The Lindens, *How to Establish an Arboretum or *The Volume 23, 1963 Volume 21, 19611 *Trial Plot for Street Trees Concerning the Registration of *Results of Trials in the Ground Cultivar Names, Richard A. Cover Demonstration Plots Howard Cultivars in the Genus Chaenome- Registration Lists of Cultivar Names les, Claude Weber in Cornus L., Richard A. Supplementary Registration List Howard of Cultivar Names in Syringa The Tree Legumes in the Arnold L.-Registered 1963, John C. Arboretum, Burdette L. Wagen- Wister knecht *International Plant Registration Registration Lists of Cultivar Leucothoe fontanesiana, Peter S. Names in Gleditsia L., Green Burdette L. Wagenknecht Tsuga canadensis and Its Multitude *The Forsythia Story, of Variants, Alfred J. Fordharr *Registration Lists of Cultivar Names Heath and Heather on Cape Cod, of Forsythias Harold W. Copeland *Winter Injury Not Severe *Pruning Ornamental Shrubs and Registration Lists of Cultivar Names Trees in the Genus Pieris D. Don, *New Plants Registered Burdette L. Wagenknecht *Fruiting of Yews *The Best Ornamental Spireas *Tree Trunks Liquidambar, Joab L. Thomas Propagation of Liquidambar sty- Volume 24, 1964 raciflua, Alfred J. Fordham *Registration of Cultivar Names of Hurricane "Donna" and Its After Fagus L. Labels in the Arnold Effects to a Chatham, Massa- Arboretum, chusetts, Garden, Harold W. Heman A. Howard Copeland *Black Polyethylene as a Mulch The Walter Street "Berrying" Climbing Hydrangeas and Their Ground, Mary Lehmer Relatives, Lorin I. Nevling, Jr. Registration of Cultivar Names in

5 Ulmus, Peter S. Green *A Few Poisonous Plants The Chinese Bush Cherry-Prunus tomentosa, R. A. Howard and Volume 27, 1967 A. I. Baranov Seasonal Rhythm of Development Propagation of Prunus tomentosa, of Woody Plants and Its Impor- Alfred Fordham tance in Introduction, P. Lapin *Lilies in Their Order of Bloom Plants with Colorful Twigs in Early *The New Hedge Demonstration Spring, Harrison L. Flint Plot How to Have a Good Clipped *Bonsai at the Arnold Arboretum Hedge, Harrison L. Flint Dwarf Conifers from Witches’- Volume 25, 1965 Brooms, Alfred J. Fordham Germination of Woody Legume Identification of Unknown Plants, Seeds with Impermeable Seed Gordon P. DeWolf, Jr. Coats, Alfred J. Fordham Plant Hardiness Zone Maps, Don- Alaskan Ornamentals and Fruits, ald Wyman and Harrison L. Richard H. Washburn Flint The Olive Family in Cultivation, Our Disappearing Opportunities, P. S. Green Edward Weeks *The Mock-oranges *More Plant Registrations The Herbarium Introduced, Ste- September Bloom, Harrison L. phanne B. Sutton Flint A Home Arboretum, Nelson Coon Seed Dispersal by Birds and Ani- *Plants for Screening Junkyards, mals in the Arnold Arboretum, Gravel Pits and Dumps Alfred J. Fordham A Check-list of Cultivar Names in Rooting of Cuttings, Rolf Weigela, Richard A. Howard Jesinger and Richard J. Hopp The Name Jasmine, P. S. Green Volume 28, 1968 Volume 26, 1966 Country Cousins, Harrison L. Flint *Snow Damage *The New Dwarf Conifer Collection *More Tree Trunks Albizia julibrissin and Its Cultivar *More Plant Registrations ’Ernest Wilson’, Gordon P. *The Hardiest Azaleas DeWolf, Jr. Ornamental Madworts (Alyssum) Propagation of Albizia julibrissin, and the Correct Name of the Alfred J. Fordham Goldentuft Alyssum, T. R. Some Horticultural Activities of Dudley Justin Smith Morrill, Harrison Expeditions for New Horticultural L. Flint Plants, John L. Creech Some Ways Plants Climb, Lorin I. Seasonal Hardening in Trees and Nevling, Jr. Shrubs, Harrison L. Flint Notes on Making an Herbarium, Seasonal Hardening in Trees and Gordon P. DeWolf, Jr. Shrubs Useful Even Though *Metasequoia after Twenty Years Not Winter-hardy, Harrison L. in Cultivation, Flint *Potentilla fruticosa Varieties in the

6 Arnold Arboretum

Volume 29, 1969 *Plant Registration *Some Comparatively New Plants Worthy of Trial Elliottia racemosa and Its Propaga- tion, Alfred J. Fordham *Casoron-A New Weed Killer to Protect Woody Plants *Tree Peonies *Seventy-Five Years of Growing Rhododendrons in the Arnold Arboretum The Introduction of Our Hardy Stewartias, Gordon P. DeWolf, Jr. *Espaliered Plants *The Mountain-Ashes The European Mistletoe (Viscum album), Heinrich Rohrbach A Check List of Cultivar Names Used in the Genus Lantana, Ri- chard A. Howard *Christmas Decorations from Woody Plant Materials, Flo- rence and Donald Wyman *Hedges for Special Purposes Dr. Donald Wyman, Gordon P. De- Wolf, Jr.

7

INDEX TO VOLUMES 1-29

Abeliophyllum, 25: 14 Abies nobilis glauca, 19: 64 -distichum, 2 : 36 ; 5 : 2; _7: 25; _8: -nordmanniana, 3 : 67, Fig. 10 (c), 10; 12: 46; 21 : 44; 25 : Plate III, 69, Fig. 12 (b), 71; 19: 70 15 -pinsapo, 3: 67; 19: 72 Abies, 3: 66 - -glauca, 3 : 67; 14: 14 -alba, 3 : Fig. 10 (c), 67, 71; 19 : 70 -procera, _3: 68, 71 ; 23: Plate XVII, - -pyramidalis, 3 : 74 130 - amabilis, 3: 70 - -glauca, 3 : 68, 711 -balsamea, _3: 67, 70; _15: 63, 71; - -’Glauca Prostrata’, _28: 12 19: Plate XIII, 60, 75 - religiosa, 3 : 69 - -‘Andover’, 26: 14 - sachalinensis, 3: 70 - - ’Nana’, 28: 10 -sibirica, 3 : 70 70 - -, witches’-broom, propagation, -spectabilis, 3: 27 : 48 -veitchii, 3 : 70; 19 : Plate XIII, 75 -cephalonica, 3: Fig. 11 (c), 68, 69 -venusta, 69 72 - -, witches’-broom, propagation, Acacia, 19:3 :70, 27: 48 -, International Registration Au- - chensiensis, 3 : 69 thority, 23 : 87 - cilicia, _3 : 71; 19 : 72 Acanthopanax henryi, 20: 9 - - in Hunnewell Arboretum, 12: - -nana, 20: 9 Plate XVI, 76 -sieboldianus, 17: 28 - concolor, 3 : 71; 14: Plate VII, 39, Acanthus ilicifolius, 19: 73 49; 17 : 24, 27 ; 19: 63, Acer barbinerve, 17 : 522 Plate XIII, 75; 20: 9 -buergerianum, 14: 2; 17 : 49, 52, --conica, 20: 9 55; _24: Plate XI, 1033 --violacea, 3 : 71 -campestre, 17 : 20, 26 -firma, 3 : 69; _19: 73 --compactum, 8: 46; 9: 2

- 27 : Plate 26 - ; tip of needle, 3: Fig. 11 (b), 68 -, hedge, V, 3: 17: 27; 66 17 : 50, 52 -fraseri, 67, 70; 18- : -capillipes, - - prostrata, 3: 68, 70 -carpinifolium, 17 : 52 -grandis, 3: 70 - circinatum, _12: 3; 14 : 49 - -’Compacta’, 28: 12 - cissifolium, 1_7: 49, 50, 5 3 -holophylla, _3: 69 -davidii, 23: 123, Plate XIII, 126 - -, tip of needle, 3: Fig. 11 (a), 68 -ginnala, 14: 49; 17 : 20, 27, 55 -homolepis, 3 : 68, Fig. 12 (a), 69; - -’Durand Dwarf’, 20: 10 27 : Plate 1_2: 3; 1_4: 49; 1_9: Plate XIII, 75 - -; hedge, V, 26 -koreana, 3: Fig. 10 (a), 67; 12: 3 ; -glabrum, 7 : 32 14: 49; 28: 10 - griseum, 7 : Plate XI, opposite 67; -lasiocarpa, 3: 68, 71; 19: 62 _9: 2; 1_2: 3; 1_4: 49; 17 : Plate XII,

- 711 Plate -arizonica, 3: 68, 54, 56; 18: XV, 61; 23:- --’Compacta’, 28: 10 Plate XVI, 123, 129 - magnifica, 3 : 71 _grosseri hersii, 17 : 56 -mariesii, 67 -japonicum aconitifolium, 14: 14 -nobilis, 3:3: 68, 71; 19: 633 -mandshuricum, 17: 56 -miyabei, 17 : 56 9 Acer negundo elegans, 14: 14 Aesculus pests, 19 : 6, 7 nikoense, 16: 36 Agaricus campestris, 4_: 2 palmatum, 14: 2, 14 Agave, 15: 72, Plate XIV, 77, 78 - -atropurpureum, 8: 46; 12 : 4; Aglaia odorata, 2: 8 14 : 14, 49 Agropyron repens, 7: 69 -- ‘Burgundy Lace’, 14: 14 Agrostis alba, 22 : 50 ’ -- dissectum, 14: 14 Ailanthus altissima, 21: 67 - - hessei, 14 : 14 - - erythrocarpa, 7: 58 - - 2 10: 82 multifidum, 14: _ _ , fruiting, - - ornatum, 14: 14 Air layering experiments, materials - - sanguineum, 14: 14 used, 11: Plate XIII, 53

- 1233 - - - on Malus pensylvanicum, _23: ’Dorothea’, 11:- - pests, 19: 4, 7 Plate XIV, 60 that 11: - platanoides, 11: 71 ; 14: 49; 17: _ _ -, plants rooted, 54-57 to 11: 20,28 - _ -, plants that failed root, -- columnare, 9: 2; 12: 4; 14: 49 5 7-61 -- ’Crimson King’, 12: 4; _14: 14, - - -, results, 11: 61, 62 49; _15: 18, 52; 1_6: 522 _ _ _with Polythene Film, 1_l: 49- -- ‘Emerald Queen’, 23: 116 62 - - erectum, 9 : 2 Ajuga reptans, 14: 22 -- ‘Fassen’s Black’, 16 : 18, 522 Akebia, 14: 22 , -- hedge, 27 : Plate V, 26 -quinata, _13: 7 -- rubrum, 14: 14 Alaska Military Highway, Expedi- - - schwedleri, 14: 14 tions to the, 1943-1944, 4: 65-72 -rubrum columnare, 6: 10; 46, Alaskan Ornamentals and 8:- Fruits, 47; 9: 2; 12: 4; 14: 49 25: 9-12 --schlesingeri, 7: 53; _16: 34 Alathon, 11 : 50 -saccharinum, 8: 10; 14: 49 Albizia, _2-l: 24, 25 . - 10; 2 Plate Plate --monumentale, 6: _8: 47;_9:- - julibrissin, 28: IX, 31, - tartaricum, 17: 49, 5 3 XI, 35, 29-40 -tegmentosum, 17: 533 - - and its cultivar ’Ernest Wilson’, 53, 55; Plate 5 -triflorum, 16 : 36; _17: 23- : 28: X, 33,29-35 123, Plate XI, 124 - -, Propagation of, 28: Plate XII, -truncatum, 16 : 36 37, Plate XIII, 39, 36-40 - tschonoskii, 17: 53 Albizzia julibrissin rosea, _3: 27; _6: Achillea millefolium, 22 : 52 11; _8: 47; _9: 2; 12 : 4; 1_6: 36; 18: Aconitum spp., _26: 72 15; _21: Plate I, 23, 25; _25: 2 Acorns, 15: 72; _16: 68, 72 - - -, close-up of flowers and Actea pachypoda, 26: 66, Plate XX, showing tree itself, 8 : Plate 67 XIV, 49

Actinotinus 8 - _ -, of 25: sinensis, _2: germination seed, - Adair, Miss, 2_l: 36 Plate I, 4 Adonis amurensis, 5: 1 , Black, 15: 78 Aegopodium podograria, 13: 11; 14: Allamanda cathartica, 19: 73 22 Allegany pachysandra, 28 : 6 Aerial photograph of Hillcrest Gar- Alnus glutinosa, 16: 20 dens, 20: Plate XIII, 59 Alsike Clover, 22 : 50

10 Althaea, 1 : 41-44 American Holly, 14: 68

42 - habits 68 -, culture of, 1 : -, flowering of, 14 : American Horticultural -, propagation of, 1: 43 Council, - rosea, 22: 54 17: 57, 60 -, shrub, 18 : 45-511 American Horticulture Needs to _ , winter injury of, 1: 42 Adopt Uniform Color Standards, Alyssum alpestre, 26: 38 7 : 41-52 - atlanticum, 26: 40 American Smoke Tree, 28: 1, 2 - bertolonii, _26: 40 Ammonium sulfamate, 16 : 5 - borzaeanum, 26 : 40 Among the Best Common Vines, - cuneifolium, _26: 40 13: 18 - diffusum, 26: 40 - - Ground Covers, 13 : 19 _ gemonense, 8: 211 Amoracia rusticana, _22: 555 - lapeyrousianum, 26: 40 Amorphophallus campanulatus, 4: - markgrafii, 26: 40 Plate V, 35 - moellendorfianum, 26: 40 Ampelopsis brevipedunculata, _13: 7 - montanum, 26: Plate XIII, 39, 42 - pests, 19: 6, 7 - murale, 26 : Plate XIII, 39, 42 Anacardium occidentale, _4: Plate V, - ovirense, 26: 42 35 - purpureum, 26: 42 Anaphalis margaritacea, 15: 76 repens, 26: 42 Anderson, Edgar, 12: 42 -scardium, 26 : Plate XIV, 41, 44 Anderson, Larz, collection, 14: 2 - serpyllifolium, 26: 44 .’lndromeda axillaris, 23 : 94, 95 -spinosum, 26: Plate XV, 43, 44 - catesbaei, 23: 94 - stribrnyi, 26 : 44 -, Downy, 17 : 62 -tortuosum, 26: 44 -glaucophylla, 17: 62 -, trial plot at Case Estates of the Japanese, 17-: 74 Arnold Arboretum, 26 : Plate XV, -, Mountain, 17 : 74 43 serratifolia, _23: 94 -wulfenianum, 26: 44 Anemone nemorosa, _5: 84 Amateur’s Observations on Hardi- Anthoxanthum 50 odoratum, 22- : ness from Growing Rhododendrons Anthracnose, 19: 3, 8 in the Pacific 5 3-56 Anthurium 833 Northwest, 2 : andraeanum, 15:- Amelanchier asiatica, 20 - cultorum, 82 16- : 15: canadensis, 14: 49 Antigonon, _19: 68 laevis, 12: 6 ; 14 : 49 _ leptopus, _19: 68 pests, 19: 5, 7 Antitoxin Laboratory, State of spp.,4: 6 Massachusetts, _7: 2 Amelanchiers, 14: 9 Apples, dwarfing understock for, American Association of Botanical 10: 73-76 Gardens and , 3: 44 Apricot, _2: 4 ------; Committee on Horti- Aquilegia vulgaris, 5: 84 cultural Varieties, 2: Aralia elata variegata, 16: 20 333 Araliaceae of China, 2: 511 American Association for the Ad- Aramite, 13 : 83 vancement of Science, _7: 333 Araucaria araucana, 5: 83 American Elm, 11: 41 -bidwillii, 15 : 78

111 Araucaria sp., 19: 76 Arnold Arboretum, Courses, see Arboretum, Arnold, see Arnold Ar- - Courses boretum -, current plans, 7: 8 -, Glenmore, _5: 65-76 -, Deutzia collection, 7: 7 -, home, 25 : 41-44 _, drought at the, 7 : 57 7 -, Hunnewell, 1852-1952, 12: 61- -, Euonymus collection, _7: 84 -, fall classes, _8: 44; _13: 68; 14: -, Morton, 2: 50 ; 5 : Plates VIII-IX, 34-36; _15: 52; 16: 32; 17: 60; 18: 43 39; 19: 58; _20: 40; 21: 74; _22: -or botanical garden, definition, 68;24:88;26: 55;27:72;28:

69-71 124; 29- : Supplement following p. - 20- :- , how to establish, 20: 69- 72 83 -, fall fruits at the, 7: 58 -, Park, _5: 25-48 -, field class, 1 : 36; _12: 44 -Spring Planting Notes, 16 : 17-27 ; frosts, the mid-May, 4: 27 Arboreta and Botanical Gardens of 2014, food plants in the, 4_: 1-7 North America, 1_9: 58 -Garden Book, 14: 56 Arborvitae, _15: Plate XI, 65, 70 -hardiness maps, 27 : 53-56 -, American, 17 : 255 -herbarium, 1 : 31, 32 -,-Globe, 17-: 25 -, history of, 1 : 29-322 -, Giant, 17 : 25 -, How to Spend an Hour in the, 4: -’Little Gem’, 17 : 25 25-28 -, Spiral, 17: 25 -, labor and staff of, 7: 1 -, Wagner, 17 : 25 -, lecture on, 12: 60 -, Ware’s, 17 : 25 -, lecture slides, 19 : 14 -, Woodward, 17: 25 -, library of, 1 : 311 Arbutus unedo, 19: 69; 26: Plate ; Lilac collection, 7: 6, 7 IV, 7 -, map of roads between Case Es- Arctium jappa, 18: 20 tates and, 7: Plate I, opposite p. 4; Arctostaphylos manzanita, 9: 43 ; 18: Plate X, 44 15 : 83 -, mulches, _7: 6, 69-72; _9: 9 43; 11; 22; -, new 7: 3 -uva-ursi, 9: 13:- -14: equipment, 17: 62 -, new policies, 7: 4 - -, wreath, 16: 64, Plate XXI, 71, -Open House, 17: 36 72 -, Open House at the Case Estates, Ardisia crenulata, 19 : 66 _15: 23; 16: 15; 17 : 36 Arisaema triphyllum, 26: 755 -, opening of new vistas, 7: 5 Aristolochia kaempferi, 22 : 54 -, past year at the, _7: 1-8 , 4: 2 -, Philadelphus collection, 7 : 7 Arnold 9-12 - 9-12; Arboretum, 9 : 17:- - plant breeding, 7: Plate IX, 34 -, planting at administration build- -administration building, 1: 31-32 ing, 7: 7 -, Azalea collection, 7 : 8 -postcards, 18: 40 -, Barberry collection, 7: 6 -publications, 18: 40 of -, Chinese collection, 7: 8 -, removal duplicate shrubs and -, Contemplated Landscape trees, 7: 5 Changes at the, 6: 45-48 -, reorganization, 7: 4

12 """"’’’’’1.1’’’’’’’’’’’’’’’’’’ ..L ¿,.,/

Arnold Arboretum, Ribes collection, Ash, Green, ’Marshall’s seedless’, 7: 6 _16: 233 - roads, resurfacing of, 7 : 7 -, Mountain, _6: 111 -, Spiraea collection, _7: 7 Asiatic Maples, propagation from - spray schedule, 13 : 73-77; 19: softwood cuttings, 17 : 45-56 1-10 Asparagus asparagoides, 15 : 711 - -, "New Spray Materials," _13: -, Fern, 15 : 70 69-84 - officinalis, 22: 54 - spraying equipment, 9: 111 - plumosus, 15 : 70 -, spring classes, 1 : 36; _8: 12, 20; 9 : - sprengeri, 15 : 70; 19 : 72 4, 12 ; 10 : 8, 24; _l l: 24; 12: 44; Aster, New England, 18 : 20 13 : 36; 1_4: 12; 1_5: 12; 1_6: 4, 8; - novae-angliae, 18: 20 _17: 16; _l9: 22;20: 28; 21: 38; - vimineus, 18: 20 2_2: 8, 24; 2_7: 16, _28: 8; 2_9: 24 Atkins Garden and Research Labo- -, - Comes to the, _12: 45-48 ratory in Cuba, _7: 4, 14, 16 -, - displays in the, 4: 21-24 Atropa belladonna, 22 : 555 -, - Walk through the, 10: 29-32; Auction, WGBH-TV (Channel 2), 18 : 13-16 28 : 28 - Visiting Committee, 7: 3 Aurinia petraea, 26: Plate XIV, 41 - water system, 7: 8 Autikon Botanikon, 2: 51; 3 : 8 - weed plants, removal of, 7: 7 Automatic Mist Sprayer, 13: 66 -, Weigela collection, 7 : 7 Autumn-blooming shrubs, 12: 59 Arnold Cherry, No. 8240, _7: Plate Autumn Color, 4_: 37-44; 12: 53-60; II, opposite p. 10 20 : 52 Arnoldia, 1: 1, 2 - of autumn-blooming shrubs, 12: « Arnoldia Reviews, see Book Review ~J Aronia arbutifolia, dwarfing under- -, dull, 4 : 40 stock, 10: 75 -, no, _4: 43; _12: 58 Arrangement of herbaria, 28: 90-92 -, red, 4: 41; 12: 577 Arrangements, Christmas, 16: -, reddish to reddish-purple, 4: 42; Plates 61-72; 58 XVI-XXI, 29- : 130, _12: Plate XXXIV, 1311 yellow, 4: 42; 12: 58 Plate 22 -, to 4: Arrowwood, 5: IV, 17; _l7:- yellowish bronze, 43 ; 1_2: Arsenate of lead, 13 : 833 58 Artemisia tridentata, 19 : 63 -, woody plants with, _4: 41; 12: Arthur Hoyt Scott Horticultural 56-59 Foundation, 23: 77 -, why are red, _4: 39; _12: 555 Plate 733 leaves are 12: Artichoke, XIII, - 38; 14 : 72, -, why yellow, 4 : - -, Jerusalem, 18: Plate III, 19, 20 54 Arundinaria, _6: 30, 32 Autumn foliage, 2: 67 - graminea, Plate II, 32 Available Rapid Growing Vines for - simonii, 6 :_6: 38 the United States, 4: 45-64 Asa Gray and His Quest for Shortia Azalea, 2: 6;_4: 22; 1_4: 9, 10 galacifolia, 2: 13-28 -, amoena, 13 : 32; 17: 75 Ascelpias physocarpa, 19: 74 -, Arnold, _8: 24 - syriaca, 4: 4; 14: 74; 18: 20 - Bloom, Two Months of, 13 : 29-35

133 Azalea Border, The, 9 : 6-7 Ballart, Cherry, 19: 77 . -, ‘Fedora’, 26: Plate XVII, 49 , 5: Plate V, 30 -, fiery red Torch, 8 : Plate VI, 233 -, Narihira, 6: 38 -, Flower Color of One Hundred Bamboos for Northern Gardens, 6: Hardy, 12 : 41-44 29-42 -, Gable hybrids, 26: 29-30 -, a group of six of running, -, Ghent, _8: 24 6 : Plate II, 311 - -, hybrid hardy in New England, -, hardiness of, _6: 29 3 : 37-40 -, the hardy running, 6: 30, 32 -, rooting under plastic, 20: 1-7 Bank planting, seashore in Scot- -, Hardiest, The, 26 : 17-32 land, 16 : Plate XV, 60 - hybrids, 26: 22-32 Baranov, A. I., and Howard, R. A., -, Knapp Hill hybrids, 2_2: 30-31; Chinese Bush Cherry, The, Prunus 26 : 30-311 tomentosa, 24: 81-86 -, Korean, _6: 111 Barberries, 22 : 9-16 -, Kurume, 17: 75 Barberry, Bean’s, 2_2: 10 - ’Louisa Hunnewell’, 12: 72 -, Black, 17: 62; 22: 12 -, Mollis, 8 : 24 -, Box, 17: 20 311 10 -, - hybrids, _26: -, Chenault, 1_7: 62; _22:- -, obtusum arnoldianum hybrids, -, Curlleaf, _22: 14 _26: 28 -, Dainty, 22 : 12 -, - kaempferi hybrids, _26: 28 -, Darwin, 22 : 12 -, order of bloom, 13: 29 -, Dwarf Magellan, 22 : 10 - path on Bussey Hill, 7: Plate IV, -, Japanese, 17 : 20; _22: 14 opposite p. 26 - -, red-leaved, 17 : 20 - pests, 19: 4, 5, 6, 7 - -, Thornless, 17: 20 -, Pinkshell, 6: 9; 8_: 21, 22 - - White-edged, 17: 20 -, Poukhan, 8: 24 -, Jasperbells, _22: 122 6: 111 12 -, Royal, -, Korean, 1_7: 20; -22: Flore Pleno 26: 22: 12 -, Rustica hybrids, - -, Lolog, 31-32 -, Magellan, 22 : 10 -, Snow, 17: 75 -, -, dwarf, 17: 62 8: 20; 14 -, 11; 21, 22; -, Mentor, - Torch, 9, - -9: 17 : 22 : Plate II, 5 -, Paleleaf, 22: 10 -, Vuyk hybrids, 26: 322 -, Rosemary, 22 : 14 -, Yerkes-Pryor hybrids, 26: 32 Sargent, _17: 64 -, Sheridan Red, 17 : 20 Baccharis halimifolia, fruiting, 10: -, Threespine, 17: 64 82 -, Warty, 17 : 64; 22: 16 Bacterial blight, 19: 3, 9 -, , 17 : 20; _22: 12 Bailey, L. H., 3: 50 -, Wintergreen, 17 : 62; 22 : 122 Baker, Mrs. Hannah, 21: 811 Bark, Cherry-like, on trunk, 7: 67; Baker, Capt. John, _21: 81 18: 63 Baker, Thomas, 21: 81 -, exfoliating, _7 ; 67, 68 on trunk and branches, 7: Balch bequest, 7 : 4 -, gray Balch, John, 7 : 4 65; 18: 62 shrubs 64 Balch, Mrs. Katherine T., 7 : 4 -, gray twigs, with, 7 :

14 Bark, green twigs, plants with, 7 : 64 Bellis perennis, 22: 522 -, interesting, miscellaneous list of, Berberis ’Atropurpurea Nana’, 20: 7 : 68 10 -, light brown color, conspicuous, - beaniana, 22: 10 shrubs with, 7 : 65 - buxifolia, 22: 10 - of trunk or older branches ex- - - nana, 1_7: 62; 2_2: 10 foliating, 18: 63 - calliantha, 22 : 10 -, red, or red twigs, plants with, 7: - candidula, 22: 10 62,64 - X chenaultii, 17 : 62; 22: 10, -, white on trunk and Plate 13 branches, 7- : IV, 65; _18: 62 - concinna, 22: 122 -, woody plants with interesting, - ’Crimson Pygmy’, 20: 10 7: 61-68; 18: 57-64 - darwinii, 22 : 12 -, yellow twigs, shrubs with, 7: 655 - gagnepainii, 17: 62; 22: 12, Plate Barnes, Miss Mary P., 9: 19 IV, 133 Bartram, John, 17: 6 - gilgiana, 17: 20, 27; 22: 12 Bartram, William, 17 : 6 - X gladwynensis ’William Penn’, 63 155 Batchelor, J. Milton, 9- : 56, 26 : Bayberry, 15 : 72 - ’Globe’, 20 : 10 Beach Plum award, 9 : 52, 63 - julianae, 1_1: 3; 17: 62, 63 ; _22: 12

- - 2; 3; -, cultivation, _9: S 3-64 koreana,_9: 1_l: 17:- 20, 27; Bean, Screw, 15: 75 22: 12, Plate III, 11. Bearberry, 16: 62, 64, 72; 17 : 62 - linearifolia, _22: 122 Beardslee Nurseries, 21: 38 - ’Little Beauty’, 20: 10 , American, 17 : 21 ; 22 : 2 -’Little Gem’, 20: 10 -, Australian, 15: 78, Plate XIV, 77 - X lologensis, 22: 12 -, Copper, _22: 2 - X mentorensis, _17: 20, 26; 22: -, Cutleaf European, _22: 4 14 22: -, Dawyck, 4 -, recommended, 22: 10 -, European, 19: 21; _22: 2 - replicata, 22 : 14 -, -leaved, 22 : 4 - sargentiana, 17: 64; _21: 44 -, Purple, 22: 2 - ‘Sheridan Red’, 17 : 20, 28 -, Roundleaf, 22 : 4 - X stenophylla, 22 : 14 -, Weeping, 22 : 4 - thunbergii, 17 : 18, 20, 26; 22: -, wooly aphid, 19: 4 14, Plate IV, 13, Plate V, 155 1-7 - - 14 : -, The Majestic, 22 : argenteo-marginata, - 14;- 17 : Beefwood, 16: 72 20,27 Beetle, Elm , 39 - - 14 : 14; 17: 20; 1 : atropurpurea, - -, Leaf, _l: 39 _22: 14 Beetles, Mexican Bean, 3: 6 - - - ‘Erecta’, 22: 14 -, Striped Cucumber, _3: 6 - - - ‘Golden Ring’, 29 : 9 Begonia, International Registration - - - ‘Red Bird’, _22: 14 Authority, 23: 87 - - ’Aurea’, 29: 9

- semperflorens, International - - ’Crimson Pygmy’, 22 : 16 23: 87 - - 16 - erecta, 27; Registration Authority, 17 : 20, _22:- Bell, Christmas, 19 : 76 - - ’Globe’, 22: 16 Bellflower, European, 22 : 54 - - minor, 19 : 20, 26; 22 : 16

15 Berberis thunbergii nana, 20: 10 , Canoe, _22: 20 - - - ’Little Beauty’, 14: 14 -, Dahurian, 22: 20 - - ‘Thornless’, 16: 20; 17: 20, 27; -, European, 22 : 20 22: 16 -, Gray, 17: 20; 22: 22, 23 - - ’Variegata’, 22 : 16 - leaf miner, 19 : 3, 7 - - xanthocarpa, 20: 10 -, River, 2_2: 20 - triacanthophora, 8: 47; 1_7: 64 -, Sweet, 22 : 20 16 Birches, 17-233 verruculosa, 17: 64; 22:- The, 22 : - vulgaris, 17: 28 - -, recommended, _22: 20 - - ’Sheridan Red’, 14: 14 Bird food plants, 5 : 5-20 Berry, Christmas, 1_9: 76 Bird of Paradise Flower, 15: 82 "Berrying" Ground, The Walter Birds and Animals, Seed Dispersal Street, 21 : 75-82 by, in the Arnold Arboretum, 27: Best of the Crab Apples, 10: 25-28; 73-84 19: 17-20 Birthwort, 22: 54 Best Ornamental Spireas, The, 21: Bishop, Thomas, _21: 80 51-58 Bitternut, 1: 54, 55 Best small shade trees, _14: 49, 5 5 Bittersweet, 22: 555 Best Vines and Ground Covers, _13: Black Swallow Wort, 16: 6 1-19 Black vine weevil, 19: 5, 9 Better Oriental Cherries, The, _10: Black Walnut and horticultural var- 17-24 ieties, _l: 50, 52, Plate VI, 53; _2: Betts, E. M., 5 : 4 11, 122 Betula albo-sinensis, 7: 3 3 Blackhaw, 17: 22 .

- - - Plate VIII, Bladdernut, 16: 72 septentrionalis, 26:- 11I Blandfordia flammea, 19: 76 - davurica, _22: 20 Blood albumen, _13: 83 - lenta, 14: 49; 22: 20 Bloom, Order of, 1_0~ 44-56 - - laciniata, 22 : 20 Blooming dates, 16: 4; 17: 34, 36 - nigra, 22: 20 ; 23 : Plate XII, 125 -, estimated, _7: 28 - papyrifera, 14 : 49; 22: 18, 20 - of plants growing in the Arnold - pendula, 22-: 20 Arboretum, 5: 22, 23 - - ’Fastigiata’, 22 : 22, Plate VII, -, this year, 15: 16 211 Blueberry, 2: 29-322

- - - ’Gracilis’, 22: 22 Cages, 8 : 25-28

- - - ’Purpurea’, 22: 22 culture, reference on, _2: 322 - - ’Scarlet Glory’, 29: 9 -, construction of cages for, 8: 28 - - ’Tristis’, _22: 22, Plate VI, 19 -, Highbush, _2: 29-32 - - ’Youngii’, 22 : 22 -, methods of protecting, 8 : Plate - pests, 19: 3, 7 VII, 27 - platyphylla japonica, 22 : 22 -, requirements of, _8: 26 - - szechuanica, 22 : 22 -, sources of information about, - populifolia, 17: 20, 28; _22: 22, 8: 25 23;_23: Plate XIV, 127; _26: 1 - varieties, 2 : 30 Beauty Bush, 17: 21 Bonsai, 14 : 1, 7; 15 : 83 Bidens frondosa, 18: 22 -, art of training dwarf trees, 11: Bindweed, 22: 555 30

16 Bonsai at the Arnold Arboretum, Botanical terms, 15 : 25-44 24: 101-104 Bottlebrush, 15 : 66, Plate XII, 69 - Available on Loan, An Exhibition Bottle-grafts, 10: Plate III, 5 of Photographs of, 25: 28 Bowen, Isaac, _21: 77, 82 - House, 22 : 42, 46, Plate XVII, 45 Boylston, Dr., _21: 78 - -, new, 24: Plate X, 1033 Box, common, 17 : 64 -, references, 24: 104 -, Korean, 17 : 24, 64 Book Review, Die Baume Europas, Boxwood, 1_5: 66; 16 : 62, 64, 70 Ein Taschenbuch fiir Naturfreunde, - leaf miner, 19: 4, 7 by Gerd Krussmann, 28: 68 -, new, 17: 42-44 -, Botanical Exploration of the - psylla, 19 : 4, 7 Trans-Mississippi West, 1790-1850, Boynton, Charles 24 by Susan Delano McKelvey, 16: 28 Boynton, Frank E.,L., 2 2: :22, 24 -, The Hookers of Kew, 1785- Boys school at Hillcrest Gardens, 1911, by Mea Allen, 27: 91, 92 2_0: 53-67 -, Plant Life of the Pacific World, Branches of Shrubs Forced in a by Elmer D. Merrill, _5: 64 Greenhouse, 15: 2 -, Plants, Animals and Man in the Brassica arvensis, 4 : 4 Outer Leeward Islands, West In- - oleracea, 5: 82 dies, by David R. Harris, 26: 46- Bridge, Mrs. Anna, 20: 80 47 Bridge, Edward, 20: 80 -, Silvics of Forest Trees of the British Colour Council, system, 7: United States, by H. A. Fowells, 45 26 : 47 - Gardens in War Time as Seen by -, Thomas Jefferson’s Garden an American Soldier, 5 : 77-88 Book, by E. M. Betts, 5 : 4 Broadleaved evergreens, 17 : 61-76 -, Wood and the Trees, Biography - - in Good Condition with Green of Augustine Henry, by Sheila Foliage throughout the Winter, Pim, 26: 47, 48 3: 21-23 -, Weeds of Lawn and Garden, by Broom, Butcher’s, 1_5: 78, Plate John M. Fogg, Jr., 5 : 56 XIV, 77 -, World of Flowers, The, ed. Her- -, Scotch, 15: 68; 16: 21 bert Reisigle, 26 : 46 -, Warminster, 6: 11; 16: 41 Booklet on Lilacs from Russia, 19: Brooms, 14: 10 31-355 Broussonetia papyrifera, _23: 123, Boston Ivy, 16: 5, 6 Plate XIII, 126 Boston Park Commission, 7: 8 Brush chipper in Arnold Arboretum - - Department, 7: 7, 8 14 : Plate IX, 47 - Spring Flower Show, 14: 1 Brush killer, 16: 6 - Weather Bureau, 1 : 38 Buartnut, 2: 12 Botanic Garden, Harvard Univer- 22 Buckthorn, common, 17- : sity, 7 : 14 -, Glossy, 17: 22 - - or Arboretum, How to Estab- Buckwheat, False, 15: 83 lish, 20 : 69-83 Build Bird Population with Food Botanical Exploration of the Plants, _5: 5-20 Trans-Mississippi West, 1790- "Bulletin of Popular Information," 1850, (Book Review), 16 : 28 1: 1

17 Bunya-bunya, 15: 78 Cactus, Crab, 15 : 80 Bureau of Entomology, U.S.D.A., Calendar, Gregorian, 21 : 81, 82 7 : 22 California Lilac, 23 : 833 Burdock, 18: 20 Callistemon rigidus, 15: 66 Bussey, Benjamin, 7 : 133 Callistephus, International Registra- - Institution,_2: 37;_7: 4, 12, 13- tion Authority, 23 : 87 16 ; 10: 2 Callitris glauca, 19: 76 - Trust, 7: 133 - propinqua, 1_9: 76 Butter-and-eggs, 18: 18 Calluna vulgaris, 14: 22 Buttercup, 18: 18; _22: 52, 533 Callunas grown at Chatham, Massa- -, Creeping, 22 : 522 chusetts, cultivars, 25 : 31, 105, Butternut, 1: 52; _2: 12 106 - and Horticultural Varieties, 12: Caltha palustris, 4: Plate III, 311 26-28 Calystegia sepium, 22 : 555 Buxus microphylla koreana, 11: 4; Camellia, 2: 6; 17: 1-12 17 : 24,26,64 -, International Registration Au- - - - hybrid, 1_7: 24 thority, 23: 87 - - - ‘Newport Blue’, _21: 44 - japonica, 2 : 6 - - - ‘Tide Hill’, 17: 65 - sasanqua, 19: 74 - - - 23: 88 54 ’Wintergreen’, - Campanula persicifolia, 22 : - pests, 19: 4, 5, 7 - rapunculoides, 22 : 54 - sempervirens, 15 : 66; 17: 42, 64, Campsis tagliabuana ’Madame 65 Galen’, 13 : 7 - - albo-marginata, 14: 14 Canada Blue Grass, 22 : 50 - - angustifolia, 17: 65 -, Gardening in Northern Manitoba, - - arborescens, 65 29-40 17 : ° 7 : - - ‘Belleville’, _23: 116 - Hemlock, 26 : Plate I, 3 - - ’Curlylocks’, 17: 65; 21 : 44 Canby, William M., 2 : 18, 20 - - handsworthii, 17: 65 Candelabras, Christmas, 29 : 128, - - hedge, 27 : Plate II, 2 3 Plate XXXIII, 129 - - ‘Kingsville’, 17: 65 Cankerworm, 1: 39; 19 : 4, 7, 8, 9 - - ’Northern Find’, 23: 87 Canton, scene~ ~n, 2: Plate I, 3, - - ‘Northland’, 17: 65 Plate II, 5 - - rotundifolia, _17: 655 Cape Cod Beach Plum Growers As- - - suffruticosa, 17 : 42, 65 sociation, 9: 63 - - ’Suffruticosa’, 29: Plate XXXIX Capsicum annuum, 15 : 81 143 - - ‘Celestial’, 15 : 81 - - ’Tide Hill’, 21: 44 - - ‘Floral Gem’, _15 : 811 - - ’Vardar Valley’, _17: 42, 44, Caragana arborescens, 17 : 20, 28 65, Plate X, 43 - brevifolia, 7 : 3 3 Cabbage maggots, 3: 3 - frutex, 17 : 20, 28 - worms, 3: 6 - jubata,_7: 34 ’ Cabot Foundation, 7: 4, 16 Carbon bisulfide gas, 13 : 50 - -, Forest-Tree Breeding Work of Care of the Garden During War the, 10: 1-8 Time, Short Guide to, 4: 9-16 - -, publication, 10: 39 Carex caryophyllea, 22: 52 Cabot, Godfrey L., 10: 1 - hirta, 22: 511 - mmrirata ~2~ 52

18 Carey, John, 2 : 17, 18 Case, Miss Marion Roby, 7 : 3; 18: Carissa grandiflora ’Tom Hum- 41; 20 : 53-67 phreys’, 29: 1 Cashew, 4 : Plate V, 35 Carpinus, 29 : Plate XL, 145 Casoron, A New Weed Killer to - betulus, 17 : 20, 26 Protect Woody Plants, 29 : 21-233 - - compacta, 8: 47 -, advantages, _29: 21-22 - - fastigiata, _9: 2 -, disadvantages, 29: 22 - Plate -, use in the Arnold Arboretum, caroliniana, 17:- 28; -_23: XII, 125 _29: 22-23 - cordata, 16 : 36, Plate XII, 355 Caspia, 15: 80 - japonica, 1_6: 36, Plate IX, 355 Castanea and horticultural varieties, - orientalis, 16: 38 1_2: 311

- - crenata, 56; 10; 3 38 - turczaninovii, 16:" 1: 2: 12: Carrot, 22: 54 - dentata, 2: 10; _4: 6 - 10; 311 Carya alba, _l: 54; 12 : 30 mollissima, _l: 56;_2: 12:- - cordiformis, 1: 54; 12: 30 - - X crenata, 2: 10 - glabra, 1 : 54; 1_2: 30 - - ’Kuling’, 16: 20 -, horticultural varieties, 1_2: 30, 311 --’Meiling’, 16 : 20 - illinoensis, 1 --’Nanking’, 16: 20 54, Plate VII, - pumila, 6 - laciniosa, 1 :_2: 11 57; -4: 123, Plate XV, 6; 12 : 30, Plate XI, 333 -sativa,2:-_4: 10; _23:- - - X illinoensis, 2 : 111 128 in 15: 72; 16: - ovalis, 1 : ~" - "~ Casuarina equisetifolia, - - - ovata, _l: 54; _2: 11; _4: 6; 12: 30; 72; _19: 67, 72 23 : Plate XVI, 129 Catalpa pests, 19: 4, 7 - pecan, _2: 111 Catchfly, Night-Flowering, 18: 18

- 74 pests, 19: 4, 7 Cat-of-Nine-Tails, 15:- - Case Estates, 3: 8; 7: 3-7, 12, 14; Cat’s Ear, 22: 52 19; 9, Plate V, Cattails, _15: 74; 18: 20 13 : 16- : 53, Map, 16 Ceanothus, 23: 83

- - ’Louis 29: 1 -, experimental areas, 18: 42 griseus Edmunds’, - - -, ground covers, 18 : 42 X ’Julia Phelps’, 29: 1 - - -, map of the, _15: 24; 18: Plate pallidus roseus, 16: 38 IX, 43; 23 : Plate III, 8 Cedar apple rust, 19: 2, 7, 8 -, nursery areas, 18: 41 -, Incense, 15: 71 - of 155 -, nursery permanent, 18: 42 , 16 : 38; _18: 14, -, Open House at the, 15: 23; 16: -, Red, 15: 63, Plate XII, 65; 16: 15; _17: 36 62; 19 : 60, Plate XII, 711 64 -, roads between Arnold Arbo- -, Salt, 19 : retum and Map, 7: Plate I, oppo- - Waxwing, 5 : Plate I, 7 site p. 4; 1_8: Plate X, 44 -,White, 15: 72, Plate XI, 65 16: -, small trees, 18: 42 atlantica, 38 6: 16: 19: Case, James B., 3 : 8 ; 7 : 3 - deodora, - 54; - 38;- 63, 74 -, - -, estate, frost damage, _4: 27 - - Plate -, memorial, _3 : 8 ’Kashmir’, 29: 1, 2, 10, I, Case, Miss Louisa W., 3: 8; _7: 3; 111 18: 41; 20: 5 3, 66, 67 libani, 6: 11 ; 8 : 10; _12: 6; 1_4: 49; 16 : 38; 19: 72; 26: Plate IV, 7 19 Cedrus libani ’Sargenti’, 28: 12 Chaenomeles, International Regis- - 87 -, witches’-broom, propagation, tration Authority, 2_3: 27: 48 - japonica, 23 : 28 Celandine, Greater, _22: 533 - - alpina, 23 : 28 - Lesser, _22: 53 - - group, 23 : 28-30 Celastrus, 3: 45 - - japonica, 23: 28

- - - angulata, 7 : 58 pygmaea, 23 : 29 - flagellaris, 8; 47, 38; 9: 2 - lagenaria, 17: 20, 28 - orbiculata, _8: Plate XVI, 533 -, list of all known cultivar names, - - major, 8 : 48, Plate XVI, 533 23 : 19-25 - pests, 19: 2, 5, 7 - pests, 19: 2, 7 - scandens, 22 : 555 - speciosa, 23 : 30 - species, fruiting, 10: 82, 84, 85 - - group, 23 : 30-50 Central Experimental Farm, Ottawa, - X superba, 23: 533 Canada, 7 : 333 - - group, 23 : 54-64 Cerastium tomentosum, 14: 22 - X vilmoriniana, 23 : 64 Ceratopetalum gummiferum, 19: 77 - - group, 23 : 64, 65 Cercidiphyllum japonicum, 7: 28; Chamaecyparis, 18 : 1 12 : 8, Plate VI, 16; 14: 49; 16: -, Dropmore Variety, 7: 36 72; 17: 20, 28 - lawsoniana, 19: 69; _23: Plate Cercis, 21: 19 XIII, 126

- - - canadensis, 6: 11; 17: 5 8 ’Ellwoodii’, 28: 12 - - alba, 1_2: 8; 14: 49 - - ’Filiformis compacta’, 28 : 122

- - - color comparison of flowers, ’Forsteckensis’, 2_8: 12 7: 42 - - ’Pygmaea argentea’, 28 : 12 - - ‘Flame’, 26: 15 - nootkatensis ’Compacta glauca’, - - ‘Wither’s Pink Charm’, 20: 10, 28 : 12 111 - obtusa, _l l: Plate IX, 31; 14: 2, - reniformis 155 Plate 3; Plate X, 103, ’Oklahoma’, 26: 49, I, 24- : - siliquastrum, germination of seed, Plate XI, 103 25 : Plate II, 6 - - ’Compacta’, 2_8: 12 Chaenomeles, 23 : 44 - - ’Contorta’, 28 : 122 - X californica, _23: 50 - - ’Coralliformis’, 28 : 12-14 --group, 23 : 50-533 - - ’Filicoides’, 28: 14

- - - cathayensis, 23 : 27 ’Kosteri’, _28: 14

- - - - group, 23 : 27 ‘Lycopodioides’, 28: 14 - - hybrids, 23 : 18 - - ’Lycopodioides aurea’, 28: 14 - X 23: 53 - - ’Mariesii’, 28: 14 clarkiana, _

- - group, 23 : 53 --’Nana’, 28: 14 _ -, color study of, 7: 48-522 - - ’Nana aurea’, 28: 14

- - -, Cultivars of 17- ’Nana 14 the Genus, 23:- gracilis’, 28 : 75 - - ’Pygmaea’, 28: 15

- - - 23 : 70- 28: 155 -, orange, 72; pink, _23: ’Pygmaea aurescens’, - 72 ; red, 23 : 73-75; white, 23 : - - ‘Sanderi’, 28: 155 69; white-and-pink, 23: 69 - - ’Stoneham’,28: 15 - - of undetermined species or - - ’Tempelhof’, 28: 155 hybrid group, 23 : 65-68 - - ’Tetragona aurea’, 14: 14; 28: 155

20 Chamaecyparis pests, 19 : 5, 7 Cherry, False Jerusalem, 1_5: 811 - pisifera, 18: Plate I, 5 -, Fuji, 10: 21 - - ’Boulevard’, 28 : 155 -, Higan, 10: 21 - - 28: 155 15 : 81 ’Compacta variegata’, - -, Jerusalem, - - ‘Filifera’, 17 : 24, 26 -, Mazzard, 10: 18 - - - ’aurea’, 14: 15 -, Naden, 10: 24 - - - ’nana’, 28: 16 -, Oriental, 6 : 122 - - ‘Golden Mop’, 28 : 16 - -, Fugenze, 12 : Plate IV, 12 - - lutescens, 14 : 15 -, Sargent, 10: 17, 20, 21 - - ’Nana’, _28: 16 - tree collection, 18: 16 - - ’Nana aureovariegata’, 28: 16 -, Weeping, 10: 22 - - ’Nana variegata’, 28 : 16 - Yoshino, 10: 22 - - ‘Plumosa’, 17 : 24, 26 Cherry-laurel, Schipka, 17 : 74 - - ’Plumosa argentea’, 14: 1S , 1 : 55, 56 - - ’Plumosa aurea’, 14: 155 -, American, _2: 10 - - ’Plumosa compressa’, 28 : 16 - -, horticultural varieties, 1_2: 31, - - ’Plumosa flavescens’, 14: 155 32 - - ’Plumosa’ hedge, 27 : Plate VI, -, Chinese, 1 : 56; 2: 10 27 European, 2: 10 - - ’Squarrosa’, 14: 2; 17: 28; 18: -, Japanese, _l: 56; 2: 10 l, 2, Plate 1, 5; 24: Plate XI, 103 Chichorium intybus, 4: 4 - - ’Squarrosa intermedia’, 28: 16, Chickweed, 18: 18 Plate VII, 17 Chicory, _4: Plate 11, 5 - - ’Squarrosa minima’, 28 : 16 Child, Mrs. Anna, 21: 80 - thyoides, 15 : 72 Child, Benjamin, 21: 80 - - ’Andelyensis’, 28: 18 Child, Grace, _21: 80 - - ’Ericoides’, 28: 18 Child, Joshua, _21: 80 Chamaedaphne calyculata, 17 : 65 Chimonanthus praecox, 2: 8 Chamaedorea elegans, _15: 66 Chinabells, 2: 4 Chamberlin, Jacob, 21 : 80, 81 Chinese Bush Cherry, The, Prunus Change in Name, A Simple, 1 : 1,2 tomentosa, _24: 81-86 Charles Stratton Dana , - Cherry, 24: 811 The, 22: 33-48 - Chestnut, 1_6: 72 Chayote, 4: Plate IV, 333 - - varieties, 16: Plate VI, 19, 20 Checkerberry, 15 : 68 -Fringetree, 28 : 1, Plate I, Check-list of Cultivar Names in Wei- 3, Plate II, 4 49-69 - New Flowers of 1-8 gela, _25: Year, the, _2:- Chelidonium majus, 22 : 5 3 - - -, Lily, 2 : 2 Cheng, Wan Chun, 8 : 4 - - - Scene, _2: Plate III, 7 , Chenopodium album, _4: 4 - Witch-, 8 : Plate IV, 10 The Better 16 Cherries, Oriental, 10:" Chionanthus, 25 : 17-24 - retusus, 28: 1 - -, pests and culture, 10 : 18 - species, fruiting, 10: 82 - -, propagation, 10: 18 - virginicus, 7 : 5 3 ; 1_1: 4; 15 : Cherry, Cornelian, 16: 21 Plate V, 21; 2_5: Plate III, 15; 28: 1 Chironia baccifera, 19: 76

21 Chloranthus glaber, 19: 7 3 Christmas plants, Japan, 19 : 733

- - spicata, 2 : 8 -, Scandinavia, 19: 70 Chlordane powder, 16 : 8 - -, South America, 19: 68 Chloromone, 1_7: 47 - -, Spain, 19 : 70, 72 Christmas basket of nuts, 29 : Plate - -, Thailand, 1_9: 73 XXXIII, 128, 129 - -, tradition and the trade, 19: 60 - Cactus, 15 : 80 - -, United States, _19: 60-72 - candelabras, 29 : Plate XXXIII, - Rose, 15 : 82 128, 129 - show, 1_5: 84; 1_8: 53-56

- - corsages, 29: Plate XXXIV, 128- swags, 29 : Plate XXVIII, 120, 130, 131 1211

- - decorations, berried plants, 18: tree decorations, _18: 54 533 - trees, 15: 61, 62, 63

- - - - evergreens, 18: Plate XIII, 53, for decorations, 29: Plate 555 XXVII, 119, 128 - - from woody plant materials, - wreaths of foliage, cones and 16 : 61-72; 29: 111-13 3 fruits, _19: 61-68; 29 : Plate XXIV, - -, materials prominent in various 113, Plate XXV, 115, Plate XXVI, areas, 1_8: 54 117, Plate XXIX, 122, Plate XXX, --, show of holiday, 18: 53-56 123, Plate XXXI, 125, Plate -, "Fearsome Critters", 16 : 72; 29: XXXII, 127, Plate XXXV, 133, Plate XXXV, 130-132, 1333 124-126 - floral arrangements, 29 : Plate Chrysanthemum, 19: 73 XXXIV, 130, 131 -, International Registration Au- - garlands, 16: 70; 29: Plate XXXII, thority, 23 : 87 126-128 - leucanthemum, 22 : 52 - , display, 16: 60 Chrysanthemums, 19 : 66 - kissing ball, 16: 68, 69; 29: Cicuta maculata, 18: 20; 26: 72 Plate XXIV, 113, 120-124, Plate Cinquefoil, bush, Purdom, 17: 22 XXVIII, 1211 -, Three-toothed, 17: 74 - noveleties, 16 : Plate XVII, 65, -, Wineleaf, 17: 74 Plate XXI, 71-72 medica sarcodoctylus, 2: 8 - plants, 1_5 : 61-84 - taitensis, 15 : 81 - -, Africa, 19 : 74 Cladrastis, 21: 19, 20 - - Around the World, 19 : 59-77 - lutea, 12: 56, 57 - -, Australia and New Zealand, - - ’Rosea’, 23: 88 19: 76, 77 - platycarpa, 21: 20 - -, Belgium, Netherlands and Lux- - sinensis, 2_1: 20 emburg, 19 : 70 Clark, George O., Blueberry Cages, - -, Caribbean area, 68 25-28 19- : 8: - -, Europe, 19: 68 Clarke, W. B.,_9: 24, 26-28 - -, Germany, 19: 70 Classes-see Arnold Arboretum, Fall - -, Great Britain, 19: 69 Classes, Spring Classes - - in the Boston Area, 15: 61-84 Clavatia cyathiformis, 4: 2 - -, India, _19: 72 seeds, 13 : 47 - -, Ireland, 19 : 69 Clematis collection, 3 : 24 - -, Israel and Lebanon, 19: 72 - - given Arnold Arboretum 2: 50

22 Clematis ’Lady Caroline Neville’, Colchicum autumnale, 26: 75 Plate 62 Cold 22 : Plate 26: XVIII, storage house, - XVI, - lanuginosa, 2 : 50 42 : 44 - montana rubens, 13 : 8, Plate I, 3 Collecting seeds of woody plants, - paniculata, 12: 59 13 : 411 - texensis, 13-: 8 Collection dates of seed of woody - vitalba, 13 : 8 plants, _7: 53-56 Clethra alnifolia, 17: 29 Collinia elegans, 15: 66 - - rosea, 11: 4 Colman, Norman Jay, Award, 10: - barbinervis, _8: 48 711 Cleyer, Andrew, 17: 10 Color, Autumn see Autumn Color Cleyera, 17: 10 - Chart, New, _17: Plate XIII, 59, - japonica, 17: 10, 12 57-60 - - forma 17: 12 - 12: tricolor, Chart, Royal Horticultural, - Climb, Some Ways Plants, 28: 41-44 53-67, Plate XVIII, 57, Plate XIX, -, names for, or terms used for,_7: 59, Plate XX, 61, Plate XXI, 63, 46 Plate XXII, 65, Plate XXIII, 67 - of bark of woody plants, 7 : 61-68 Climbers, branch, 28 : 55-58 - post cards, 14: 10 -, inflorescence, 28 : 58 -Standards, American Horticulture -, leaf, 28 : 60-62 Needs to Adopt Uniform, 7: 41- -, root, 28 : 62-64 52 -, twiners, 28: 53-555 - standards, reasons for adopting, -, weavers, 28 : 64 _7: 41-44 Climbing Bittersweet, 22 : 555 Colorado , 5 : Plate XIII, 69 - Hydrangeas and Their Relatives, Colored foliage, some shrubs and 24 : 17-39 trees with, 14: 13-19 Clon, definition of, 3: 10 Colorful twigs in early spring, plants Clover, Red, 22 : 50 with, 27 : 155 -, White, 22: 50 Colors of one hundred hardy Azal- Cock’s Foot Grass, 22 : 50 eas, The flower, 1_2: 41-44 Cocoa-shell mulch, 17 : 33, 34 Columnberry, Truehedge, 17: 20 Cocos nucifera, 15 : 79 Colutea arborescens, 16: 72 Code of Nomenclature for Cultivated Concerning the Registration of Cul- Plants, 18 : 65-68; 21 : 1-8 tivar Names, _21: 1-8 Coggeshall, Roger G., 12: 46; 14: Cones, 16 : 64, 68, 70, 72 24, 39 - and fruits for 16: 32; _18: wreath-making, - - -, Asiatic Maples, Their Propa- Plate XVIII, 66 gation from Softwood Cuttings, Congdon, Joseph, W., 2 : 18 17 : 45-50 Conifer Cuttings, Rooting of, 27: - -, Polyethylene Plastic, Its Ap- 85-90 plications to the Propagation of Conifers at Dropmore, A list of, 7 : Hardwood Cuttings, 14: 57-63 39 - -, Propagating Some Rarer - Dwarf, from Witches’-Brooms, Plants from Seed, 14: 25-28 _27: 29-50 - Ghent Azaleas under Conium 50; 80; -, Rooting maculatum, 6-- : 15: Plastic, 20: 1-7 26 : 733

23 Constable, James, 2 : 17 Cornus alba ’Tricolor’, 21 : 12 Contributions of the Arnold Arbo- - - ’Variegata’, 21: 12 retum, 2 : 511 - - ’Variegata aurea’, _21: 12 Control of Plant Development with - - vars., 1_4: 15 Maleic Hydrazide The, 10: 33-37 - - ‘Westonbirt’, 21: 12 Convallaria 14: - 21: 133 majalis, - 22; 22: 54; alternifolia, 26 : 75 - - ’Albo-marginata’, 21: 133 Conversion data, Nickerson Color - - ’Albo-variegata’, 21: 133 Fan, 17: 60 - - ’Argentea’, 14: 15 ; 21: 133 Convolvulus, 22: 555 - - ’Coralina’, 21: 133

- sepium, 18: 20 - - ’Ochrocarpa’, 21: 133 Coon, Nelson, A Home Arboretum, - - ‘Ochroleuca’, 21: 133 25 : 41-44 - - ’Umbraculifera’, 21:133 Cooperating Nurserymen, 8: 64; - - ’Variegata’, 21: 133 _16: 34, 50, 51 - - ’Virescens’, 21: 133 Copeland, Harold W., _21: 733 - amomum, 21: 133 - -, Heath and Heather on Cape - - ’Angustifolia’, 21 : 133 Cod, 23 : 103-106 - - ‘Aurea’, 21 : 133

- -, Hurricane "Donna" and its after - - ’Aurora’, 21: 133 effect to a Chatham, Massachu- - - ’Grandiflorum’, 21: 133 setts, Garden, 21: 67-733 - - ’Grandifolia’, 21: 133 Cork Tree, Amur, 16: 45 - - ‘Parvifolia’, 2_1: 133 Corn, hybrids of, 7 : 155 - - ‘Undulifolia’, _21: 133 Cornelian Cherry 17 : 20 - - ’Xanthocarpum’, 21 : 133 Cornus alba, 7: 61; 18: 57 - brachypoda ’Variegata’, 21: 133

- - ’Angustipetala’, 2 1: 111 - controversa, 21 : 133

- - ’Argenteo-marginata’, 21 : 111 - - ’Fastigiata’, 21: 14

- - ’Atrosanguinea’, 21 : 111 - - ’Variegata’, 21: 133 - - ’Behnschi’, 21: 12 - Cultivars Names, 21 : 9-18 - - ‘Boxwood’, 12 1: 6; 36; 4: 18; 11; 21 : - florida, 2 : 6:- - - ‘Elata’, 21 : 12 52; 21: 14; 26: 1

- - ’Elegans’, 21: 12 -14 : ’Alba-plena’, 1: 6; 21: 14

- - ’Elegantissima’, 21 : 122 - - ’Apple Blossom’, 2_3: 88

- - ’Elegantissima variegata’, 21: - - ’Ascending’, 21 : 14 12 - - ’Aurea variegata’, 21: 14 - - ’Elongata’, 21: 12 - - ‘Belmont Pink’, 21: 14

- - ’Froebeli’, 21: 12 - - ’Cherokee Chief’, _21: 14; 2_3: - - ‘Gibbsii’, 21: 12 89

- - ’Gouchaultii’, 12 - - ’Cherokee Princess’, 14; 21 : 21:- - - ’Kesselringii’, _21: 12 23: 89 - - ’Rosenthalii’, 21 : 12 - - ‘Cloud 9’, 23: 89

- - sibirica,_7: 61, 62; _l l : 6; 16: - - ‘Compacti’, 21: 14 20, 38; 1_8: 57, 58; 2_l: 12 - -, dates of bloom, 10: 11, 12 - - - ’Elegantissima’, 21 : 122 - - ’De Kalb Red’, _21: 14; 23 : 89 21: 12 16: Plate - - - ‘Variegata’, - - ’Fastigiata’, - X, 37, - - ‘Spaethii’, 21: 12 40; _21: 14 - - ‘Spaethii aurea’, 21: 12 - - ’First Lady’, 29: 2

24 Cornus florida ’Purple Splendor’, Cornus mas’Albocarpa’, 21: 16 _29: 2 - - ’Andrzejowski’, 21: 16 - ’Gigantea’, 21 : 14 - - ‘Argentea’, 21: 16 - - ’Hillenmeyer’, 21 : 14 - - ‘Argenteo-marginata’, 21: 16 - - ’Magnifica’, 16: 21; 21: 14 - - ‘Argenteo-variegata’, 21: 16 --’Moon’, 21: 14 - - ‘Aurea’, 16 : 21; 21: 16 - - 6 - - 21: 16 multibracteata, 1 : ‘Aurea-elegantissima’, - - - ’Nana’, 21: 14 - - ‘Crispa’, 21: 17 - - ‘New Hampshire’, 21: 155 - - ‘Elegans-tricolor’, 21: 17 - - ‘Pendula’, 16: 40; 21: 155 - - ’Elegantissima’, 21: 17 - - ‘Plena’, 1 : 6; _21: 15 --’Flava’,21: 17 - - 6; 155 - - 21: 17 ‘Pluribracteata’, 1 : 21- : ’Lanceolata’, - - ‘Prosser’, 21: 15 - - ’Luteocarpa’, 21: 17 - - ‘Prosser Red’, 21: 155 - - ’Marcrocarpa’, 21: 17 - - ’Pygmy’, 27: 61 - - ‘Mietzschii’, 21: 17 - - ‘Rich-Red’, 21 : 155 - - ‘Nana’, 20: 11; 2_l: 17 - - ‘Rose Valley’, 21 : 155 - - ’Polonica’, 21: 17

- - - - ’Rosea’, 21: 15 ’Polonica minor’, 21 : 17

- - - - ‘Rubra’, 21: 155 ’Pyramidalis’, 21: 17 - - ’Rubra’, color comparison of - - ‘Rubra’, 2_1: 17 flowers, 7: 42 - - ’Sphaerocarpa" 21 : 17 - - ‘Salicifolia’, 21: 155 - - ’Variegata’, 21: 17 - - ’Spring Song’, 23 : 89 - ’Violacea’, 21: 17 - - ’Springtime’, 27 : 611 - - ’Xanthocarpa’, 21 : 17 --’Super Red’, _21: 155 - nuttallii, 21: 17 - - ’Sweetwater Red’, 2_3 : 89 - - ‘Eddiei’, 2_1: 17 21: 155 - - 17 - - ‘Variegata’, ’Winkenwerderi’, 2_1:- - - ‘Weaver’, 2_1: 155 - officinalis, 5: 2 - - ‘Weeping’, 2_1: 155 -, pests of, 19 : 5, 7 - - ‘Welchii’, 21: 16 - racemosa, 17: 20, 26; 21: 17 - - ‘Welch’s Junior Miss’, 29 : 2 - - ’Slavin’s Dwarf’, _21: 17 - - ‘White Cloud’, 2_1: 16 -, registration list of cultivar names, - - ‘Willsii’, 2_1: 16 2_l: 9-18 - - ’Xanthocarpa’, 21: 16 - sanguinea _21: 18 -, International Registration Au- - - ’Atrosanguinea’, 2_l : 18 thority, 23 : 87 - - ’Mietzschii’, 21:18 - kousa, 21 : 16 - - ’Variegata’, 2_1: 133

- - - - 52; 16 15; 18 chinensis, 14: 2_1: ’Virdissima’, 14- : -21 : - - ’Milky Way’, _21: 16 - sibirica, 21 : 18 - - ’Rubra’, 21: 16 - - ‘Coral Beauty’, 21 : 18

- - - ‘Speciosa’, 21 : 16 stolonifera, 1_6: 21; 21: 18

- - - - 14: 21: 16 ‘Variegata’, 15; ’Angustipetala’, -21: 18 - - ‘Viridis’, 21: 16 - - ’Elata’, 21: 18

- - - - ’Xanthocarpa’, 21: 16 ’Elongata’, 21: 188 - mas, _15: 14; _17: 20, 26; 2_0: 11; - - ’Flaviramea’, 21: 18 21: 16 - - ‘Kelseydwarf’, _21: 18

- - - - ’Alba’, 21 : 16 ’Nana’, 21: 18

25 Cornus stolonifera ’Nitida’, 21 : 18 Cotoneaster foveolata, 15: 58 - - ‘Pendula’, 21: 18 - francheti, 15: 58 - - ‘Repens’, 21: 18 - frigida, 15: 58 - - ’Xanthocarpa’, 21 : 18 - - vicarii, 15 : 58 16: Plate 14: 22; 15 : 19: Corsages, Christmas, XXI, - horizontalis, - - 59;- 17; 29 : Plate XXXIV, 128-130 70 Corylopsis, 4: 18; 7: 28 - hupehensis, 15: 59 - platypetala, 8: 48 - integerrima, 5 : 84 - species, 5 : 2; 15 : 14 - lucida, 15: 59 - spicata, 8 : 10; 1_5: Plate III, 45 - microphylla, 15: 59; 1_7: 65 - veitchiana, 21: 44 - - cochleata, 15: 59; 17 : Plate Corylus americana, 1: 56; 4_: 6; 12: XIV, 63 32 - - thymifolia, 15: 59 - avellana, 1: 56; 12: 32 - multiflora, 10: 75; 15 : Plate X, - colurna, 1_6: Plate VII, 18, 21, 57 22 ; 26 : Plate VII, 10 - - calocarpa, 15 : 59 - -, horticultural varieties, 12 : 32- - pests, 19: 3, 5, 7 34 -, prostrate, 15: 54 - cornuta, 1: 56; 12: 32 racemiflora soongorica, 15: 59 - maxima, 1: 56; 12: 32 - salicifolia, 19: 70 - - purpurea, 14: 155 - - floccosa, 15: Plate IX, 55, 59 species and horticultural varieties, - simonsii, 15 : 59 2: 10 - -, small-leaved, 1_7: 65 Cotinus americanus, 28: 1, 2 - tomentosa, 15: 59 - coggygria, 28 : 1, 2 - with little ornamental vlaue, 15: - -, fruiting, 10 : 82 60 - - purpureus, 14: 155 - zabeli, 15 : 59 - - ‘Velvet Cloak’, 29 : 2, 3 - - miniata, 15: 59 - obovatus, 28: 1, 2 Cotoneasters of varying heights, 15: Cotoneaster adpressa, 15: Plate X, 53-60 57, 58 , 5 : Plate XVI, 85 - - praecox, 15: 588 Country Cousins, 28 : 1-7 - apiculata, 15: 58 Cotton bolls, 15: Plate XIV, 74, 77 - bacillaris, 14: 27 Courses at the Arnold Arboretum, -, Bearberry, 17: 65 14: 33, 34;15: 52; 16: 4, 8; 17: - bullata, 15 : 58 16, 60; 18: 39; 19: 58; _20: 40; 22: - - floribunda, _15: 58 8, 24, 68; 24: 88; _27: 72; _28: 8, - congesta, 15 : 58 124; see also Arnold Arboretum, - conspicua, 15: 58 classes - - decora, _15: 58 Coville, F. C., 2: 29, 30 - dammeri, 6; 27; 58; Cowbane, 18: 20 1_l:- 14:- -15: Spotted, 17 : 65 Cowberry, 17 : 75 - - ’Skogsholmen’, 29: 10 Cowslip, 4: Plate III, 311 - dielsiana, _15: 58 Crab, Manchurian, 6: 122 - - elegans, 15 : 58 Crab Apples, _3: 23; 4: 22; 6: 11; 14: - disticha, 14: 27 10 - divaricata, 11: 6; 15: 58 - - , Annual bearing, 16 : 32

26 Crab Apples, Best of the, 10 : 25-28; Crataegus oxyacantha ’Paulii’, 22: 17-20 31

19 : - - - -, - for flower, 10: 26, 27 ’Plena’, _22: Plate IX, 29, 311

- -, - for - - 311 fruits, 10- : 27, 28; 16:- ’Punicea’, 22: 29-32 - oxyacantha var., 5 : 80

- -, colored foliage, with, 10: 28 - pedicellata as understock, 10: 75 - -, dates between which fruits are - pests, 19: 2, 3, 7 colorful and effective, _3: 42, - phaenopyrum, 22 : Plate VIII, 27, 43; _16: 30, 311 311

- -, ‘Dorothea’, 16: Plate III, 111 - - ’Fastigiata’, 22 : 311

- -, double or semi-double flowers, - pinnatifida major, 22: Plate IX, 19: 18 29, 311 - dual purpose, 10: 28 - pruinosa, 17: 21, 27; 2_2: 311 - - flowering on Peters Hill, 12: 46 - punctata, 22 : 311

- -, foliage color, 19: 18, 19 - succulenta, 22 : 322 - - for America, 3: 23, 44, 56 - ’Toba’, 22 : 32

- - for Ornamental Fruit, 3 : 41- - X ’Vaughn’, 29: 3 44 ; 16: 29-32; 19: 18 - viridis, 22 : 3-2 - - for form, 10 : 28 --’Winter King’, 29 : 3 - - further trials needed for, 19: - wattiana, 2_2 : 32 20-22 Crayton, F. M., 2 : 18 - -, lasting fruit, 19: 18 Creech, John L., Expeditions for - - of 15-22 New Horticultural 26 : 49- merit, 19 : Plants, - - -, parthenogenetic, 10: 26 533 - -, pink flowers, 19 : 17 - - Note on Ligustrum ibolium, - -, pink and white flowers, 19: 17 12 : 48 - -, red to purplish flowers, 19 : 177 Crimson King , 11: 711 - -, reddish-purple flowers, _19: 17 Crinkle Bush, 15: 80 - -, unique forms, 19: 20 Cryptomeria japonica, 8 : 10; 14: - -, white flowers, 19 : 17 2 ; 19 : 74 Craggy Gardens, Blue Ridge Park- - - ’Lobbii’, 25 : Plate IX, 43 way, Asheville, N. C., 26 : Plate - - ’Vilmoriniana’, 28: 18 XI, 25S Cudahy, Mrs. Joseph M., 2: 50 Crataegus sp., 14: 52 Cultivar Names, Concerning the - arnoldiana, 2_2: 26 Registration of, 21: 1-8 - ’Autumn Glory’, 22: 32 - - in Cornus, _21: 9-18

- coccinoides, 22 : 28 - - in the Genus Chaenomeles, 23:- - crus-galli, 17 : 21, 26; 22 : 28 17-755

- X lavallei, 22 : 28 - - in Ulmus, Registration of, 24: - mollis, 22 : 28 41-80

- monogyna, _17: 21, 26; 22: 28 - - in Weigela, Checklist of, 25: - - ‘Biflora’, 2_2: 30 49-69 - - ‘Inermis’, 11: Plate XIII, 46; - - of Fagus, Registration List of, 16: Plate X, 36; 22: 30 24 : 1-8 - - ’Stricta’, 22 : 30 - - of Liquidambar, 21 : 60-62

- X mordenensis ’Snowbird’, 29: 3 - - of Syringa vulgaris offered for - nitida, 22: 30 sale, 19: 27, 28 ~7 Cultivated Plants, New International Damage due to hurricane, 14: 37, Code of Nomenclature, 18: 65-68 40 - relatives of the Camellia, 17 : 1-122 - - to winter, 1_5 : 133 Cunninghamia lanceolata, 2_5: Plate Dana Greenhouses, 22 : Plate XIV, IX, 43 33-37 Cup Plant, 18 : Plate V, 20, 233 Dandelion, Fall, 2_2: 52 Cupressus, 19: Plate XII, 711 Daphne cneorum, 17: 65

- - arizonica, 19 : 67, 72, 74 collina, 7 : 36 - macrocarpa, 19: 63; _26: Plate IV, - giraldii, 7 : 3 3 7; 29 : Plate XL, 145 - mezereum, _5: 84; _7: 36; 26: Plate - sernpervirens, 19: 72 XX, 66, 67 - - horizontale, 19: 72 - tangutica, 7 : 3 3 - torulosa, 19: 74 Dasylirion sp., 15: 74 Currant, mountain, 17: 22 Data, local climatological, 20 : 522 Cuttings, from juvenile plants, 17:46 Date florets, 15: Plate XIV, 74, 77 - from mature plants, 17: 46 Datura stramonium, 26 : 733 -, two year old, of Rhododendron Daucus carota, 22: 54 ’Gloria Mundi’, 20: Plate I, 3 Day-lily, 22 : 54 Cutworms, garden, 1: 39, 40; _3: 3 Davenport, John, 2 : 17, 18 4: 2 Davidia 24; 72 Cyathus olla, involucrata, 8: _l- l: Cyclamen, International Registra- Davis, Deacon Ezra, _21: 81 tion Authority, 23: 87 Davis, M. B., 7 : 3 3 Cydonia japonica, 23 : 17 Davis, Sarah, 2_l: 81 - lagenaria, 23 : 18 Dawn Redwood, _l l: 28; 28: 113- - sinensis, 23 : 188 122 : see also Metasequoia Cynanchum nigra, 16: 6 DDT, _7: 26, 18-23; 13: 52; 14: 8 Cynara scolymus, 15 : 72 -, concentrate, 1_3: 83 Cypress, Arizona, 19 : 67 -, wettable powder, 13 : 8 3 Cyrilla racemiflora, 9: 2; 10: Plate Deadly Nightshade, _22: 555 XI, 47 Decaisnea fargesii, _7: 58 Cytisus austriacus, 7: 36 Decumaria, 24 : 17, 32 - decumbens, 36 - barbara, 24: 32 - elongatus, 7_7: 36 -, key to the species of, 24 : 32 - hirsutus, 7 : 36 - sinensis, 24: 3 3 - leucanthus Schipkaensis, 7: 36 Delphinium, International Registra- - nigricans, 7: 36 tion Authority, 23 : 87 - praecox, _6: 11; _8: 22, 24, 48; 9: - spp., 26: 73 Plate Demonstration and cover 2; _l l: I, 5, 6 ; _16:- 40, 41 ground - - luteus, _l6: 41 plots at the Case Estates, Weston, - purpureus, 7: 36; 8: 48, 50; 9: 2; Map, 14: 23, 16: 53-60 _13: 11; 14: 22 - - plot, small ornamental trees, - scoparius, 15: 68 16 : Plate IV, 10-14 - -, hardy form, 16: 211 - -, Ground Covers, 16: 5 3-60 Dactylis glomerata, 22: 50 Deptford Pink, 2_2: 54 International Desert Plate XIV, Dahlia, Registration Spoons, 1_5:- 74, Authority, 23 : 87 77 Daisy, English, 22: 52 Destroy dead Elm wood immediate- -_Ox-Fve_ 22~ 52 lv. 8: 17-20 28 Deutzia candelabrum 50 Tatarian, 7: 61; 18: 57; 8: Dogwood, - - - ’Contraste’, 8: 50 22: 66, 67 - gracilis, 17: 29 -, twig borer, 19: 5, 7, 9, 56 - ’Magicien’, 8 : 50 -, weeping, 16 : 40 - rosea eximea, 8: 50 Doorenbos, Mr. S. G. A., 1_3: 26 DeWolf, Dr. Gordon P., Jr., appoint- Dormancy, 13: 42 ed Horticultural Taxonomist, 27: -, complex, 20 : 34 28 -, double, 14: 27; 20: 36 - - Albizia julibrissin and Its Culti- - in seed 14: 26 var ‘Ernest 29-34 Wilson’, 28 : Douglas , 15:- 63; _17: 24; 26: - - Identification of Unknown Plate I, 3 Plants, 27: 51, 52 Dove-tree, 8: 24 - - Introduction of Our Hardy Dried fruits, flowers and cones, Stewartias, 29: 41-48 72 - - 15 : Notes on Making an Herbarium, - , plant parts, 15: 78 28: 69-1111 - materials on the Boston Market, - - Dr. Donald Wyman, Supple- 18: Plate XIII, 54, 55 5 ment 29: 3 pp. following p. 8 Dropmore hybrids, (Spiraea) need- Dianthus armeria, 22 : 54 ing more trial, 2_l: 58 - barbatus, 5: 84 Dropmore, Manitoba, Canada, 7: - caryophyllus, 5: 84 29-40 -, International Registration Au- Drought, 7: 57; _17: 61 thority, 23: 87 Dudley, T. R., Ornamental Mad- Dicentra spp., 26: 755 worts (Alyssum) and the Correct Dieffenbachia seguine, 26 : 74 Name of the Goldentuft Alyssum, Dieldrin, 13: 83 26 : 3 3-45 Diervilla 11; 22 Plants for lonicera, 13 : 14:~ Dumps, Screening Junk- Digitalis purpurea, 26: 73 yards, Gravel Pits and, 25: 45-48 Dill, Fred F., _9: 63 "Dura-Clear", _l l: 50, 51 Diospyros kaki, 2 : 12 Dutch Elm Disease, 17-23; 8: 17- - virginiana 2 : 12; 23 : Plate XII, 20 ; _l l: 41, 89 ; 19:7_: 2, 6 125 - - -, control of, 7 : 17-28 Dipsacus fullonum, 15: 76 - - -, four-point plan to combat it, - sylvestris, 15: 76 8: 20 Dirca pests, 19: 2, 5, 7 - - - Laboratory, University of Directional signs, carved wooden, Massachusetts, 7: 211 _24: 12 - - -, no positive practical control Disease of Elms, Phloem necrosis, for disease fungus or bark 7: Plate III, 17-23 beetles, 8: 18 Diseases, 19: 2-9 - - -, sanitation as best present DN or Dinitro, 13: 83 method of control, 8: 18, 19

- Slurry, 13: 83 - - -, what one town has done to . Dogwood, _4: 23; 6: 111 combat it, _8: 19 -, flowering, upright, 16: Plate X, Dutchman’s Pipe, 22: 54 37,40 Dwarf Conifer Collection, The -, gray, 17: 20 New, 2_8: Plate V, 11, Plate VI, 13, -, Siberian, 18: 57 Plate VIII, 9-27

:9 Dwarf Conifers from Witches’-Brooms Elm, Chinese, 22; Plate XIV, 17-- : 18: 27 : 29-50 59 - Trees, 10: 73-78 - Disease, Dutch, see Dutch Elm - -, pruning repotting and water- Disease ing, 11: 34, 35 - leaf beetle, 1: 39; 19: 4, 9 - -, training, _l l : 32; 14: 2-7 - leaf miner, 19 : 3, 9 - -, winter protection, 16: 35 - species, _l l: Plate XVIII, 82 Dwarfed Trees, Japanese, _l4: 1-7 Elms, Asiatic, 1 : 68-70; 1_1: 81-84 Dwarfing rootstocks, trees grafted -, European, 1 : 70-73; 1_l: 84-86 on, Plate XV, Plate XVI, 75, - Grown in America, 65-80; _10: 1:-- 11: 77 79-93 - trees, new techniques for, 15:111 - in the Arnold Arboretum, 14: - understocks, 10: 73-77 Plate XI, 5 3 -, keys to, 1: 77-80; 11: 89-93 Early church, sketches, 21: Plate -, native American, 1 : 65-68; 11: IX, 79 79-811 Early spring, S : 1-3; 16: 1-4 -, - to both Europe and Asia, 1: Edible wild plants of eastern North 73-77; 11: 86-89 America, 3 : 44; 4: 8 -, Watch the, 7: 17-23 Edinburgh Botanic Garden, 7: 30 Elscholtzia stauntoni, 12: 59; 26 : Education Program at the Arnold Plate XIX, 64 Arboretum, 14: 33-36 Embossed or record label, 24: 9, 10 Effect of light on seed germination, Emergency food manuals, 4: 29 _ll: 40 English Ivy, 18 : 1, 3 Eighty Trees for the Small Place, Enkianthus, 2 : 2 16 : 9-155 - campanulatus, _l l : 7 Elaeagnus angustifolia, 12: 8; 14: - quinqueflorus, 2: 1, 4 52 ; 17 : 21, 27 Entomology, Bureau of U. S. D. A., -, Autumn, 17 : 21 _7: 22 - umbellata, 17 : 21, 26 Epigaea repens,_2: 16, 28;_9: 6 Elderberry, native, 16: 48 Epimedium grandiflorum, 14: 22 Electric Council of New England, Epiphyllum, 19: 70 _23: 1 Erianthus ravennae, 15 : 80 Ellery, Bessie Collier (Mrs. William), Erica arborea alpina, 23 : 104, 105 Ghent Hybrid Azaleas are Hardy - 36; 14; 70; carnea, 7 : _15:- -19 : -23: in New England,_3: 37-40 104-106 Elliottia at the Arnold Arboretum, - cinerea, 2 3 : 104, 106 29: Plate IV, 19 - X darleyensis, 23: 104, 106 -, Plate IV, - 23: 106 multiple of, 29--- : vagans, 104, 19 - X watsonii, 23 : 104, 106 -, propagation by root cuttings, 29: Ericas grown at Chatham, Mass., 355 18 species and varieties of,23: 105, -, - - seeds, 29: 18 106 -, - - stem cuttings, 29: 20 Eriobotrya japonica, 19~ 74 - racemosa and its propagation, 29: Eriocaulon decangulare, 15; 79 17-20 Eriogonum, 15, : 83 Ellis, John, 12: 68 Espaliered Cotoneaster horizontalis, Elm Bark Beetle. 19: 2. 6. 9 29~ Plate XV1_ 577

30 Espaliered Forsythia, 29: Plate XVII, Euonymus europaea atrorubens, 2 : 59 41,42,46 - Mulberry in Holland, 29 : Plate - - aucubaefolia, 2: 46 XV, 55 - - ’Globe Form’, 2: 46 - Pear in Paris, 29: Plate XIV, 533 - - intermedia, 2: 42, 46 - Plants, 29 : 45-59 - - nana, 2 : 46 - -, A few of the designs used in - - ‘Red Cap’, 27 : 62 growing, 29: Plate XIII, 511 - - ‘Red Cascade’, 16: 233 Espaliers, some of the best plants - fortunei, 2: 46, 48; _17: 66 for,_29: 52-58 - - ’Berry Hill’, 17 : 66 Establish an Arboretum or Botan- - - carrierei, 2: Plate IX, 45, 46, ical Garden, How to, 20 : 69-833 48; 17: 66 , 15: 66, 78; _16: 72; 23: - - colorata, 2: Plate IX, 45, 46, 66 123 48; 13: 8; 14: 22; -17: -, Corkscrew, 15: Plate XII, 66, 69 - - ’Dupont’, 17 : 66 - globulus, 15 : 66 - - ‘Gold Tip’, 23: 89 - gunnii, 23: Plate XVII, 130 - - gracilis, 2: Plate IX, 45, 46, 48; - polyanthemos, 15: 78 14: 15;_17: 66 - spp., 26 : Plate VII, 10 - - kewensis, 2: Plate IX, 45, 46, Plate 69 13: 14: 16: 17: -, Spiral, 15 : XII, 48; - 12;- 24;- 64;- 23: Plate 66 Eucommia ulmoides, - XIV, 123, 127 - - ’Manhattan’, 17: 66 Euonymus, _2 : 41-511 - - minima, 2 : Plate IX, 45, 46, alata, 2: Plate VIII, 41-44, 46 48; _13: 12; 14: 24; 17 : 66 - - aperta, 2 : 46 - - radicans, 2: Plate IX, 45, 46, 48 - - clone, 16 : 41 - - reticulata,_2: Plate IX, 45, 47 - - compacta, 1: 42, 44; 2 : 46; 11: - - ’Silver Queen’,_2: Plate IX, 45, 7; 17: 21 48; 14: 15;_17: Plate XV, 66, 67 - - Plate - - Plate ’Compactus’ Hedge, 27: vegeta, -2: IX, 45, 47, 48; III, 24 _17: 66 - americana, _2: Plate VIII, 43, 46, - hamiltoniana, 2 : 47 49 - japonica,_2: 44, 47, 49 - atropurpurea, 2 : 42, 46 -, Kew, 16: 64 - Hill’, 44 - kiautschovica, Plate VIII, 43, ’Berry 21 : _2:- - bulgarica, 2 : Plate VIII, 43, 44, 44,47 46 - lanceifolia, 2: 41, 44, 47 - bungeana, 2 : 41, 42, 46 - latifolia, 2 : Plate VIII, 41, 43, 47 - - semipersistens, 2: 41, 42, 44, - maackii,_2: Plate VIII, 43, 44, 47 46 - - lanceolata,_2: 47 -, chart of ornamental character- - macroptera, 2: 44, 47 istics, 2 : 46, 47 -’Manhattan’, 21: 44

- -’Dupont’, 21: 44 nana,_2: Plate VIII, 43, 47 . - europaea, 2: Plate VIII, 41-44, - nikoensis, 2 : Plate VIII, 43, 47 46; 26: Plate XXI, 66. 69 - obovata, 2: 42, 47

- - alba, _2 : 46 - oxyphylla,_2: 47

- - aldenhamensis, 2: 42, 46 - patens, 2 : 44 - - atropurpurea, 2 : 42 - pauciflora, 2 : 47

311 Euonymus phellomana, 2: 47 Evergreens in Governor’s Garden, - pests, 19: 2, 5, 7 Va., Plate XVII, Williamsburg, _l- l: - radicans, 2 : 48 78 - - acuta, 2 : 48 - Winter Foliage Color of Narrow- - sachalinensis, 2 : Plate VIII, 41, leaved, 3: 17-20 43,47 Evodia danielli, 12: 8; 14: 52; 16: - sanguinea, 2 : Plate VIII, 41, 43, Plate XI, 39, 41 ; 28 : 2 44,47 - hupehensis, 16: 41; _28: 2 ’Sarcosie’, 21: 44 Exhibit of pruning at 195 3 Boston - scale,_2: 48; 17 : 66; 19: 2, 5, 7, 9 Spring Flower Show, 1_3: 211 - semenovii, 2: 47 Exhibition of Photographs of Bonsai - semiexserta, 2: 47 Available on Loan, An, 25: 28 - shrubs, 2 : 44 Exocarpos cupressiformis, 19: 77 species showing variations in Exochordia giraldii wilsonii, 28 : leaves and , 2 : Plate VIII, 43, Plate III, 2, 5 Plate IX, 45 - korolkowi, 16: 18, 23 - trees, 2: 42 - racemosa, 28: 2 - verrucosa, 2 : 47 - species, 6 : 10 - vines, 2: 48 Expeditions for New Horticultural - winged, dwarf, 17: 211 Plants, 26: 49-533 yedoensis, 2: Plate VIII, 41, 43, - to the Alaska Military Highway, 44,47 1943-1944, 4: 65-72 Eupatorium fistulosum, 18 : Plate IV, Experiments in dormancy, 13: 55 5 IV, 20, 211 Euphorbia cyparissias, 26: 733 Fagus crenata, 22 : 6

- 19: 26: - 22: 6 pulcherrima, 15:- 81; - 64;- engleriana, 74 - grandifolia,_7: 28; _17: 21, 26; 22: European Mistletoe (Viscum album) 2 ; 23 : Plate XVI, 129 The, 29: Plate XXI, 69-72 - - caroliniana, 22 : 6 - , 2, 6, 8 - Plate 25 19- : -, hedge, _27: IV, Eurya, 17: 12 - - pubescens, 22: 6 - chinensis, 17 : 12 -, International Registration Au- - emarginata, 17: 12 thority, 23: 87 - japonica, 17: 12 - japonica, 22: 6 - latifolia 17 : 122 - 22 : 6 variegata, - longipetiolata, - marginata, 17 : 12 - lucida,_22: 6 - ochnacea, 17 : 10 -, not recommended, 22: 6, 7 Evenings with Friends, Supplement, - orientalis, 22 : 6 29 : following p. 72 - pests, 19 : 4, 7 Everett, T. H.,_21: 37 -, recommended, 22: 2-6 Evergreen ground covers, _13: 7 -, Registration List of Cultivar Evergreens, Broad-leaved, in the Names of, 24: 1-8 Arnold Arboretum, _17: 61-76 - sieboldii, 22 : 6

- -, in 3 : 21-233 - 522 good condition, - species 14:

- -, injured, 3 : 22 - sylvatica, 17 : 21, 26;_22: Plate I, -, colored foliage, 2: 65, 66; 3: 17- 2, 3 20 - - ’Asplenifolia’, 22 : 2 - rlcx~arf /,~ 17 - - atrn»nni~Pa 14~ 1 S ~ 22~ 2

32 Fagus sylvatica atropurpurea, 22 : 6 Farrand, Mrs. Beatrix, The Azalea 27 : Plate 7 - - ’Cockleshell’, - XX, 62, Border, 9 : 6, 63 - - -, Contemplated Landscape - - crispa, 22 : 6 Changes at the Arnold Arbo- - - ‘Cristata’, 22: 6 retum, 6 : 45-48 - - ‘Cuprea’, 22: 2 - - -, Peters Hill, 9 : 38-43 -- - dentata, 22: 6 Fatsia japonica, 19: 74 - - ’Fastigiata’, 22 : 4; _29: Plate "Fearsome Critters", 16: Plate XXI, XXXVI, 137 71, 72; 29: Plate XXXV, 130-1333 - - grandidentata, 22: 6 Federal Quarantine No. 38, 18: 9 - - heterophylla, 22 : 7 Fermate, 13: 66 - - incisa, 22 : 7 Fern, Neptune, 15 : 84 - - ‘Laciniata’, 22: 4 Fernald, M. L.,_3: 44 - - ‘Latifolia’, _22: 7 Fertilization, effect of, on time of - - ‘Luteo-variegata’, 22: 7 growth of seedlings of three spec- - - macrophylla, 22 : 7 ies, _27: 7 - - ‘Miltonensis’, _26: Plate VIII, 11I Fertilizer, 15 : 13 - - nigra, 22 : 7 Festoons, 16 : 61 - - ’Pendula’, 22: Plate II, 4, 5 ; 26: Field classes, see Arnold Arboretum Plate VI, 9 Fall Classes, Spring Classes - - - in Hunnewell Arboretum, 12: Field trips, 21: 74 Plate XIII, 65 Fifty of the Better Ground Covers, - - purpurea, 22 : 7 _14: 21-24 - - purpureo-pendula, 22: 4 - years of gardening in Northern - - ‘Quercifolia’, 22: 4 Manitoba, 7 : 29-40 - - ‘Quercoides’, 22: 7 Fijian plant studies, 2: 511 - - ’Rivers’, 22 : 4 Filbert, 1: 56, 58 - - riversi, 14: 16 -, American, 1: 56 - - ‘Rohani’, _22: 4 -, beaked,_l: 56 - - ’Roseo-marginata’, 22 : 4 -, European, 1 : 56 - - ’Rotundifolia’, _22: 4 -, horticultural varieties, 1 : 56, 58; - - sanguinea, 22 : 7 2: 10;_12: 32, 333 - - ‘Spaethiana’, 22: 6 -, Turkish, 16 : Plate VII, 21, 22 - - ’Tortuosa’, 22: 6 Filmore, Richard H.,_7: 2 - - ’Tricolor’, 22: 7 - - -, Control of Plant Develop- Fall classes, see Arnold Arboretum ment with Maleic Hydrazide, Fall Classes _10: 33, 37 - fruits, 7 : 58 - - -, Growing Rhododendrons Fan Memorial Institute of Biology, from Seeds,_9: 45-511 _8: 4 Fir, Balsam,_15: Plate XI, 63, 65; Fan, Nickerson Color, _17: Plate 16: 62; 19: 60, 64 XIII, 57-60 -, Douglas, 15: Plate XI, 63, 65; - - -, conversion data, _17: 60 19: Plate X, 60, 61, 70 "Fantazma", 15 : 79 -, Fraser,_19: 66 Farlow Herbarium, 7: 4 -, Silver, _19: 70 Farrand, Mrs. Beatrix, 6 : 23, 48;_7: -, Spanish, 19: 72 1, 5, 7 ; 21 : 37 -, Subalpine, 19: 62

333 Fir, terminal , 3: Fig. 9 (a), 66 Fogg, John M., Jr.,_5: 56 -, twig, 3: Fig. 8 (a), 66 Foliage, changes in, 2 : 57-68 -, White, 17: 24 -, colored, 2 : 59 Fire-blight, _19: 3, 7, 8, 9 -, Colors of Narrow-leaved Ever- Firethorn, 16: 48 greens, Winter, 3 : 17-20 Firs, simple key to the, 3: 65 - - - Woody Plants, April to Sep- Fisher Professorship of Natural His- tember, 2 : 57-68 tory, 2 : 18 Fontanesia, 25: 16 Five Interesting Trees, 11: 71-74 Food Plants in the Arnold Arbo- Flag, Blue, 22: 50 retum, 4 : 1-7 Flamingo Flower, 15: 82 - For the Record, 13: 37-40 Flat-headed apple tree borer, 19 : 5, Forcing Hardy Woody Plants, 15: 9 Dr. Harrison to Alfred 18: Flint, L., appointed Fordham, J., -6: 2; _7: 2; - the Arnold Arboretum staff, 26: 24 54 - - - Dwarf Conifers from Witch- --- Country Cousins, 28 : 1-6 es’-brooms, 27: 29-50 - - - How to Have a Good Hedge, - - - Elliotia racemosa and its 27 : 17-22 Propagation, 29: 17-20 - - - Plants with Colorful Twigs in - - - Germination of Woody Le- Early Spring, 27 : 15, 16 gume Seeds with Impermeable - - - Seasonal Hardening in Trees Seed Coats,_25: 1-8 and Shrubs, 26: 57-60 - - - Propagation and Care of - - - Seasonal Hardening in Trees Lilacs, 19: 36-45 and Shrubs Useful Even - - - Propagation of Albizia juli- Though Not Winter-Hardy, brissin, 28 : 36-40 26: 61-63 - - - Propagation of Liquidambar - - - September Bloom, 27: 69, 70 styraciflua, 21: 66 - - - Some Horticultural Activ- - - - Propagation of Prunus to- ities of Justin Smith Morrill, mentosa, 24: 86-87 28 : 41-52 - - - Propagation of Woody Plants - - - and Donald Wyman, Plant by Seed, 20: 33-40 Hardiness Zone Maps, 27: 53- - - - Seed Dispersal by Birds and 56 Animals in the Arnold Arbo- Flora Buttons, 15: Plate XIII, 73, 79 retum, 27 : 73-84 Flora of Fukien and Floristic Notes - - - Tsuga canadensis and Its on Southeastern China, 2: 511 Multitude of Variants, 23: Flower buds apparently not injured, 100-102 17:14,16 - - - and Williams, Robert G., - - killed, 17: 14 Arnold Arboretum Spray - Colors of One Hundred Hardy Schedule, The, "New Spray Azaleas, The_12: 41-44 Materials," 13: 69-84 Flowering displays in the Arnold Forestiera, 25: 17 Arboretum, 14 : 9, 10 Forest-Tree Breeding Work of the - shrubs, _10: 29-32, 41-56 Cabot Foundation, 10: 1-8 Flowers of the Chinese New definition 9 Year, Form, of, -3 : 2: 1-8 Forsythia, 25: 16

34 Forsythia, Arnold Arboretum Forsythia intermedia ’Spring Seedling No. 22716, 10: 16 Glory’, 21 : 36, 41 - ’Arnold Dwarf’, 7 : 10;_8: 50; 10: - - ’Variegata’, 14: 16 16;_l3: 12; 14: 24;15: 10;18: 2; - - ’Vitellina’, 10: 15;_21: 36, 41 19: 12; 21: 37, 39 - japonica, 10: 15 -’Arnold Giant’, 7: 10; 10 : 16; 15: - - saxatilis, 10: 15, 16; 15: 10; 8; 20: 49, 50; _21: 37, 39 19: Plate I, 13 ; _21: 3 5 - ‘Beatrix Farrand’, _19: 12; _20: 49, - ’Karl Sax’, 20: 49-52, Plate XII, 50; _21: 37, 40 51;_21: 37, 40 -, border, _17: 211 - ‘Lynwood Gold’, 19 : 12; 21: 37, 25; 15; 19: Plate I, 40 - europa, - 7: 10:- 133 - ovata,_5: 2;_7: 10; 9: 2; 10: 2, 4, - ’Farrand’, 15: 10; 16: 41; 21: 37, 6, 10, 15, Plate I, 5, Plate II, 7; 20: 40 _15: 8; 19: 14, Plate 1, 13; - 49; - giraldiana, 10: 155 _21: 37; 25: Plate III, 155 -’Gloriosa’, 21: 42 - - X europaea, 10: 15 - ’Golden Bell’,_21: 42 - - ’French’s Florence’, 27: 62 - ’Golden Queen’, 21: 42 - - ’Robusta’, 21: 41 - ’Golden Sun’,_21: 42 -, Registration Lists of Cultivar -, International Registration Au- Names of, _21: 39-42 thority, 23: 87 - ’Spring Glory’, 10: 16; 19: 12 intermedia, 10: 9, 10, 15, 16; 15: - Story, The, 21 : 35-38 10;17: 21, 26;_21: 35-411 - suspensa, 10: 15, 16;_21: 41 - - ’Arnold Dwarf’, see Forsythia - - atrocaulis, 10: 16; 21: 37 ’Arnold Dwarf’ - - - ’Nyman’s Variety’, 21: 37 - - ’Arnold Giant’, see Forsythia - - ‘Aurea’, 21: 38, 41 ’Arnold Giant’ - - ‘Aureo-variegata’, 21: 411 -- ‘Arnolds Brilliant’, 21: 40 - - ‘Decipiens’, 10: 16;_21: 36, 41 - - ‘Aurea’, 21: 35, 38, 40 - - fortunei, 10: 15, 16; 19: 11, - - ’Beatrix Farrand’, see Forsythia Plate I, 133 ’Beatrix Farrand’ - - ’Fortunei Aurea’, 10: 14 - - ’Compacta Nana’, _21: 40 - - ‘Fortunei Nana’, 21 : 41 40 - - 10: - - ’Densiflora’,10: 13-15;_21:- ’Pallida’, 16; 21: 36, 41 -’Dwarf’, 21: 40 - suspensa pubescens, 10: 16 - - ’Farrand’, see Forsythia ’Far- - - sieboldii, 10: 10, 16; 19: Plate rand’ I, 13;_21: 35 - - ’Karl Sax’, 20: 49-52, Plate - - ’Variegata’, 21: 411 XII, 51;_21: 37, 40 - viridissima, 10: 9, 10, 15, Plate - - ‘Lynwood’, 21: 37, 40 V, 11; 21: 35-38, 411 - - ’Lynwood Gold’, 19 : 12; 21: - - ‘Bronxensis’, 10: 14, 16; _21: 37,40 37,41

- - - - ‘Mertensiana’,_21: 37, 40 koreana, 10: 16; _21: 355 - - ‘Nana’,_21: 40 - - ‘Variegata’, 21: 411 - - ‘Primulina’,_9: 2; 10: 13, 15, Forsythias, 4 : 21; 19: 11-14 16; 21: 36, 41 -, The, 10: 9-16; _14: 10 - - ‘Spectabilis’,_5: 2;_7: 25; 10: -, color comparisons of flowers, 13-15; _15: 8; 16: 42; 19: 12, 10: 13 Plate I, 13; 20: 49; 21: 36, 41 -, dwarf varieties, 10: 12 35 Forsythias, introduction into coun- Fruits of ornamental woody plant try, 10: 10 genera, seeds of which should not -, leaf key, 10: 15 be allowed to dry out prior to -, notes on species and varieties, sowing, 13 : Plate X, 49 10 : 15, 16 - of ornamental woody plant gen- -, pruning, 10: 10, 12 era requiring no cleaning before -, value, 10 : 12-14 shipping, 13 : Plate XI, 5 3 Fortune, Robert, 21: 355 -, ornamental, 20: 52 Forty-five of the Best Shrubs for - remaining March 26, 1943, 3 : 14- Massachusetts Gardens, 1_l: 1-20 155 Forty-five of the Best Trees for -, sources where they may be ob- Massachusetts Gardens, 12: 1-20 tained, _3: 48 Foster, William, _9: 63 - this fall, 7 : 58 Fothergilla species, 11: 7; 14: 10 -, Viburnum, 20: 52 Frame, wire, 17: 47 -, white, _3: 46, 48 Franklin, Benjamin, 17: 6 -, yellow, 3: 45-48 Franklinia, 17: 6, 8 -, - or white growing in Arnold - alatamaha, 12: 59; 17 : 6, Plate II, Arboretum, 3: 45-48 7; 2_6: 2 ’Fugenzo’, Oriental Cherry, 1_2: Fraxinus, 25: 17 Plate IV, 12 - angustifolia, 26 : Plate VIII, 11I Functions of an arboretum or bo- - excelsior, 25: Plate IV, 18 tanical garden, 20: 71, 72 - ornus, 25: Plate IV, 18 , 13: 83 - pennsylvanica lanceolata, 16: 233 - pests, 19: 2, 3, 4,7 Galanthus nivalis, 5: 84 Fresh foliage plants, 15: 66 Galax, 2 : 16, 17, 21, 22, 24, 26 - wreath materials, 15: 70 - aphylla, 15 : 67 Fringe Tree, flowers of the, 15: Galeopsis tetrahit, 18:18 Plate V, 21 Garden Club of America, The, Fruiting Habits of Certain Woody Tours the Arnold Arboretum, Plants, 10: 81-85 6 : 9-12 Fruits, artificial, _15: 83 Gardeners’ and Florists’ Club of -, Baldwin apples, 20: 52 Boston, 6: 28 -, Christmas basket of, 29 : 128, Gardening in Northern Manitoba, Plate XXXIII, 129 7: 29-40 -, Cornus florida, 20: 522 Gardens, Best Shrubs for, in Massa- -, - kousa, 2_0: 52 chusetts, 1_l: 1-20 -, - - 52 Best Trees for, in Massa- chinensis, 2_0:- Gardens, -, fall, 7: 58 chusetts, 1_2: 1-20 -, Ilex verticillata, 20: 522 Gardner, F. E., 1_8: 6 -, Lowbush Blueberry, 20 : 52 Garlands, making of, 16: 61, 70, -, McIntosh apples, 20: 52 Plate XX; _29: 126-128, Plate - of ornamental woody plant XXXII, 127 genera, seeds of which should be Gaultheria procumbens, 4_: 6; 14: cleaned before shipping, 13: Plate 24; 1_5: 68; 17: 66 IX, 43 - shallon, 15: 68

36 Gaylussacia brachycera, 17: 66, 67 Gleditsia triacanthos f. inermis, 21: Genera of Theaceae native to the 26, 32 United States, 17 : Plate I, 5 - - - - ’Beatrice’, 21: 33 Genista sagittalis, 7 : 36 - - - - ‘Browni’, 21 : 3 3

- - - - - sylvestris, 7: 36 ’Bujotii’, 21: 333

- - - - - tinctoria, _7: 36 ’Bujotii Pendula’, 21: 3 3 Germander, Chamaedrys, 17: 75 - - - - ‘Elegantissima’, _21: 26, 3 3 Germination of Woody Legume - - - - ‘Imperial’, 21: 33 Seeds with Impermeable Seed - - - - ‘Majestic’, 21: 333 Coats, 25 : 1-8 - - - - ’Moraine’, 21: 26, 333 Ghent Azaleas, Rooting under - - - - ’Park’, 21 : 33 Plastic, 20: 1-7 - - - - ’Pendula’, _21: 333 - - - -

- 3 Hybrid Azaleas are Hardy.in ’Shademaster’, _21: 3 New England, 3: 37-40 - - - - ’Sieler’, 21: 26, 3 3 Gill-over-the-Ground, 22 : 52 ----’Skyline’, 21: 3 3 Ginkgo biloba, 8 : 1; 1_4: 52 - - - - ‘Stephens’, 21: 33 ------fastigiata, 17: 29 ’’, 1_6: 23 ; 21: 26, Girdling Root, 13 : 233 333 Gladiolus, International Registra- - - - - ’Variegata’, _21: 34 - -, of Plate tion Authority, _23: 87 germination seed, 25:~ Glasshouses, The, 2_2: 38 11,6 Glecoma hederacea, _22: 5 2 - - ‘Millwood’, _21: 32 Gleditsia, 21: 25, 26, 31-333 - - ’Monosperma’, 21:32 - ’Excelsa Pendula’, 21 : 32 - - ’Moraine’, 12 : 8; _l4: 52 - ferox, 21: 32 Glenmore Arboretum at Buffalo - - ‘Nana’, 21: 32 Creek, Colorado, The, 5 : 65-76 Gloriosa 26: 75 - horrida, 21: ’S2 superba, - - ’Major’, 21: 32 Glossary, Revised, of the More Com- --’Nana’, 21: 32 mon Botanical and Horticultural 25-44 - - ’Purpurea’, 21: 32 Terms, 15: Golden Oak scale, 19: 2, 6, 8 -, International Registration Au- thority, 23: 87 Gordon, James, 17 : 4 21: 32 Gordonia, 1_7: 4, 5 - japonica, - 2 - - 21: 26, 32 axillaris, 17 : ’Purpurea’, - 19: 5, 7 lasianthus, 17 : 6 - pests, - pubescens, 8 -, Registration Lists of Cultivar _l7: Names 31-34 Gossypium hirsutum, 15: 74 in, 21: dwarf - sinensis, 21: 26, 32 Grafting trees, 10: 7 3-77 80 - - ’Major’, 21: 32 Grass, Ravenna, 15 : --’Nana’, 21 : 32 -, Sweet Vernal, _22: 50 22 : 50 -- ’Nana -, Timothy, Inermis’, 21:32 22: 52 - - ’Pendula’, 21 : 32 -, Velvet, -, White 50 - X texana, Bent, 22: _21: 26 Gravel Pits and Plants -triacanthos, 11: 71; 1 S : 74; 17: Dumps, for 21, 29; 21 : 26, 32, Plate III, 32 Screening Junkyards, 25 : 45-48 - - X aquatica, 21: 26 Graves, George, Hibiscus syriacus, - - ’Calhoun, 21: 32 1: 41-44 - - towards Beach - - ’Columnaris’, 21 : 32 Looking Plum Cultivation, 9: 53-64

37 Gray, Asa, 2: Plate V, 19 Ground-pine, 15: 62, 70 - -, His Quest for Shortia gala- Grove, Colonel William R., _l l: 49 cifolia, 2: 13-28 Growing Rhododendrons from - Herbarium, _7: 4 seeds, 9: 45-511 Green, Peter S., Herbaceous Aliens Growth, method of, in Scots Pine, in the Arboretum, 2_2: 49-56 27 : Plate X, 355

- - - - Leucothoe of time effect fontanesiana, 23:" woody plants, of, 93-99 of fertilization, 27 : 6, 7 - - - Name The, dioicus, 21: 27, Plate Jasmine, - 2_3: 71- Gymnocladus - 74 II, 25 - - - Olive Family in Cultivation, - seed, 25: Plate I, 4 The, 25 : 13-27 Gypsophila repens rosea, 14 : 24 - - - Registration of Cultivar Names in Ulmus, 24: 41-80 Hale, Capt. Jonathan, 21 : 76, 81 Greenhouses, new, 22: 3 3-48, Plate Hale, Richard W., 1 : 3, 4 X, 35, Plate XI, 37, Plate XII, 39, Halesia monticola, 10 : Plate XII, Plate Plate 43 Plate 52 XIII, 40, 42, XV, 49; 1_2: 10, IV, 12; 14- : Gregorian calendar, 21: 81, 82 Hall, George R., 9: 18 Grevillea robusta, 15: 80 Hamamelis intermedia (#1173-28- Ground cover bank planting, sea- B),20: 111 shore, in Scotland, 16 : Plate XV, - - ‘Arnold Promise’, 23: 111, 114, 60 Plate VI, 112, Plate VII, 113; - - demonstration plots, _l l : Plate 29 : 10 VII, 23; 13: 21-24, Plate IV, 13; - japonica, _8: 10; 20: 11 16: 9, 5 3-60, Plate XIV, 555 - mollis, 8 : 10; 11: 7, Plate V, 17; - - - 20: 111 -, Results of Trials 9- 16 : 19: 70; - in, 2_3- : Plate I, 4; 16 - vernalis, 8: 10; _l 1: 7 - - for different 13: 5 12: 59; 70 purposes, - - virginiana, 19: - - for dry soil, 5 Hamblin, Stephen, 8_: 20 - - for shade, 13 5: Hansen, Miss Anna, 9 : 633 - - less than 6 inches high, 13 : 5 Hansen, Peter, 9: 63 - - plants in demonstration plots-- Hardiness map for the United 167 plants listed according to States, 3: 53; 27: 54-55 5 row and 10- - notes, 53-56 plot number, 23- : Rhododendrons, 2: 14 - Zone Maps, Plant, 27 : 53-56 - - already established, 11 : 22-44 Hardwood cuttings, propagation, - - and demonstration plots at 1_4: 57-63 Case Estates, Weston, Map of, Harris, F. L., 12: 67 14: Plate V, 233 Harvard Biological Laboratories, 7 : - - at the Case Estates 14, 16 listed, 16:- 54-59 - Botanical Museum, 7 : 4

- of the Better, 21-24 - of 4 -, Fifty 14: Department , 7- :

- -, twenty-three of the best for - Forest, _7: 4, 14, 16 Massachusetts gardens, 13: 2 Hatfield, T. D., 12: 67 - - which increase rapidly, 1_3 : 5 Hawthorn, 14 : 10; 22 : 25-32 Ground Ivy, 22 : 522 -, Dotted, 22: 31 - 22: 22: 28 Ground-breaking ceremony, - -, Downey, Plate X, 355 -, English, 17: 21; 22: 30 38 Hawthorn, Fleshy, 22: 32 Hemerocallis fulva, 22: 54 311 -, International Au- -, Frosted, 17 : 21; 2_2:- Registration -, Glossy, 22: 30 thority, 23 : 87 -, Green, 2_2: 32 Hemlock, 15 : 71; 1_6: 62 -, Kansas, 22: 28 -, Arboretum, 6 : 49, 60 ; 23 : 101 -, Large Chinese, 22: 311 -, Canada, 15: 63, Plate XI, 65; 17: -, Lavalle, 22: 28 25, Plate VII, 23; 26: Plate I, 3; - leaf miner, 19: 3, 7 27 : 48, 50, Plate XIX, 49

- - of merit, 22: 26-32 -, compact, 17 : 25 -, Single Seed, 22 : 28 -, Carolma, 17: 25 -, , 22: 311 -, needle of, Fig. I (a), 58 -, Watts, 22: 32 -, Poison, 15 3: : 80 Hazelnuts and Filberts, 2_: 10 -, Queen of Conifers, 6: 49-56 Heartnut, 1: 54 -, Sargent weeping, 18 : 155 - and horticultural 30 Hemlock Hill, rehabilitation of, varieties, 12- : 6: - Hybrids, 2: 12 48 Heath and Heather on Cape Cod, Hemlocks and Spruces, Simple 23 : 103-106 Foliage Key to the, 3_: 57-64 Hebe, International Registration Hemp-nettle, 18: 18 Authority, 23: 87 Henry, Louis, 6_: 7 Hedera helix, 14 : 24; 17: 68; 18: Hepatica triloba, 2 : 211 1; _26: 68, Plate XXI, 69 Herbaceous Aliens in the Arbore- - - baltica, 13: 10; 17 : 68 tum, 22 : 49-56 - - ’Rumania’, 17: 68 Herbaria and their use, 28 : 69-70, - - ’268th Street’, 17: 68 Plate XXIV, 711 Hedge, best plants, 27 : 18-19 Herbarium, Farlow, _7: 4 - demonstration plantings, 27: 22 -, Gray, 7: 4 - Demonstration Plot, Report on -, historical background, 28: 70-72 49-56; 17-32, 25-28 the A. A., 5: 17- : -, Horticultural, 18 : Plate VI, 19 -, Introduced, The, 25 : 37-40 - experiment, 6: 12 -, Notes on Making an, 28 : 69-1111 - fertilization and watering, 27 : 20 -, preparation of specimens for, 28 : -. How to Have a Good Clipped, 72-90, Plate XXV, 73, Plate XXVI, 27: 17-22 75, Plate XXVII, 77, Plate XXVIII, for best 27 : 19- Plate Plate - pruning results, - 79, XXIX, 83, XXX, 20, Plate I, 211 85, Plate XXXI, 87, Plate XXXII, - starting a, 27 : 17-18 89, Plate XXXIII, 911 Hedges, fair, 17: 27 -, preserving succulent or fleshy - for Special Purposes, 29 : 135-146 plants, 28: 97-98 -, good to excellent, 1_7: 26 -, storage containers, 28: 92 -, planted 1963, 24: 97, 98, 100 -, suggestions for collecting particu- 17: 27 lar kinds of 93-97 -, poor, plants, 28- : Helianthus tuberosus, 7; , 5 4:-- 18 : 16 : Plate III, 19 Hibiscus esculentus, 15: 75 Helichrysum bracteatum, 15: 76 -, International Registration Au- Helleborus niger, the Christmas- thority, 23: 87 5: Plate - 18: 45 rose, 86, XVII, 87; 15:- rosa-sinensis, 82; 19: 70 - syriacus, 1 : 41-44; 18: 46 39 Hibiscus syriacus ’Admiral Dewey’, nut, Red, 1 : 54 -, Shagbark, 1 : 54 - 18:‘Amplissimis’, 46 1_8: 46 -, Shellbark, 1: 54 - - 48 29-32 ’Anemonaeflorus’, 18- : Highbush Blueberry, The, 2: - - ’Ardens’, 48 Hillcrest and staff, 20: Plate 18 : boys -- - - ’Banner’, 18 : 48, Plate XII, 49 XIV, 63 - - ’Bicolor’, 18 : 48 - Gardens, Weston, Massachusetts, - - ‘Boule de Feu’, 18: 48, Plate 20: 53-67 XI, 47 rhamnoides, 14: 16; 17: Hippophae - - - - ’Celestial Blue’, 18: 48 29 - - ‘Coeruleus’, 18 : 48 History of the Introduction of - -, color groups of, 18 : 50, 511 Woody Plants into North America, - - ‘Comte de Haimont’, 18 : 48 On the, 6 : 13-23 - - ’Duc de Brabant’, 18: 48 Holcus lanatus, 22: 52 - - 18: 48, Plate 53-56 ’Elegantissima’, Holiday Decorations, 1_8:-- XI, 47 Hollies, 14 : 65-72 - -, early varieties of, 1: 43 -, fertilizer for, 14: 69, 70 - - ’Hamambo’, 18 : 48 -, insects on, 14: 68 - - ‘Jeanne d’Arc’, 18: 48 -, planting, 14: 66, 68 - - ’Lady Stanley’, 1_8: 48 -, pruning, 14: 69 - - ‘Leopoldi’, 18: 48 sexes in, 14: 69

- - ’Mauve Queen’, 18: 48 -, transplanting, 14: 70 - - ‘Meehani’, 18: 40 -, Wheeler, 22 : 46 - - ’Monstrosus’, 50 65-72; 61, 67; 18 : Holly, 14: 15:- 16:-- - newer varieties of, 1 : 43-44 62

- order of bloom, 18: 511 -, American, 17: 69, 70 - - ’Pompon Rouge’, 18: 50 -, -, Clark, 17: 24 - - ’Pulcherrimus’, 18: 50 -, hunting, 1_4: 68 - - ’Ruber Plenus’, 18: 50 -, Japanese, 16: 64; 17: 68, 69

- - ’Rubis’, 18: 50 -, -, convex-leaved, Plate VII, 17- : - - ’Sir Charles de 50 24 Breton’, 1_8:- 23; - - ’Snowdrift’, 1_8: 50 -, leaf miner, 19 : 5, 8 - - ’Speciosus Plenus’, 18 : 50 -, longstalk, 1_7: 70 - - variegatus, 14: 16 -, Sugeroki, 17 : 70 - -, varieties of, in Arnold Arbore- -, Yunnan, 16: 42; 17: 70 tum, 50 62; 17: 73 18: 46, 48, Holly-grape, , 16: -- - - Plate 54 ‘Totus Albus’, 18- : 50, XI, Hollyhock, 22 : 47 Home Arboretum, A, 25: 41-44 - - 18: 50 18 ’Woodbridge’, Honeylocust, ‘Sunburst’, 16:-- - - ’W. R. 50 17: 21 Smith’, 18- : -, common, Hicans, 2 : 111 Honeysuckle, 6: 2, 10 , _2: 111 -, Amur, _22: 64 Hickory hybrids, _2: 111 -, Arnold, _22: 60 - - nut, 1 : 54-55, Plate VII, 57 -, Blue-leaf, 22: 64 - -, and horticultural varieties, 1: -, Box, 22 : 64 Plate VII, 54-55, 57, 12 : Plate -, Brown’s, _22: 60 XI, 30-31, 33 -, Coralline, 22 : 60

40 Honeysuckle, Cream, 22 : 64 Horticultural colour chart, new 17: -, Creeping, 22: 66 57-60 -, Dwarf Alps, 22 : 59 - herbarium, 18 : 25-28 -, Everblooming, 22 : 62 - terms, 1_5: 25-44 -, 45 Horticulture on evergreen, 16: Postage Stamps, 18:" -, Giant, 22: 62 29-38 -, Golden, 22: 62 Horticulturist, Assistant, 6 : 2 -, Hall’s _22: 64 Horvath, M. H., 21 : 36 -, Henry, 22 : 62 Hosta sp., 14: 24 -, Japanese, 1_6: 44 How to prune, 14: 47, 48 -, Lilac, 22: 66 How to spend an hour in the Arnold -, Morrow, 22 : 64 Arboretum, 4: 25-28 -, Privet, 64 Howard, Heman, A., 6: 2; 7: 2, 11: - _22: - _ -, Pyrenees, 22: 66 70 -, Sweet, 22: 60 - - -, Labels in the Arnold Arbo- -, Tatarian, 17: 21 retum, 24: 9-12 -, Tellman, 22: 67 Howard, Richard A., Booklet on -, Tibet, 22 : 67 Lilacs from Russia, A, 19 : 31-35 -, Trumpet, 22 : 66 - - -, Charles Stratton Dana 17: 21; 62 Greenhouses of the Arnold -, Winter, 22- : -, Yellow, 2_2: 62 Arboretum, The, 22: 3 3-48 -, Yunnan, 22 : 67 - - -, Check-list of Cultivar Names Honeysuckles, 14: 10; 22: 57-67 in Weigela, 25 : 49-69 -, flowering shrub, 22: 58, 59 - - -, Check list of Cultivar Names -, order of bloom, _22: 59 used in the Genus Lantana, -, recommended, 22 : 59 29 : 73-109 -, shrub, with pink to red flowers, - - -, Concerning the Registration 20 : 29-32 of Cultivar Names, _21: 1-8 Hookers of Kew, 1785-1911, The, - - -, Education Program at the Mea Allen (Book Review), 27: Arnold 3 3- by Arboretum, 14:" 91,92 34 Hopp, Richard J., and R. Jesinger, - - -, Hillcrest Gardens, Weston, Rooting of Conifer Cuttings, 27: Massachusetts, The, 20: 5 3-67 85-90 - - -, Meadow, The, 1_8: 17-24 Hops, spent, _7: 69-72 - - -, Registration Lists of Culti- Hormodin No. 3, 17: 47, 50 var Names in Cornus L., 21: Hormones, root-inducing, 17: 46 9-18 Hornbeam, European, _l7: 20 - - -, and A. I. Baranov, Chinese Hornbeams, Oriental, _16: Plate IX, Bush Cherry, The, Prunus 355 tomentosa, 24: 81-86 Horsechestnuts, 14: 10 - - -, and Carroll E. Wood, Jr., Horseradish, 2_2: 55 Christmas Plants in the Bos- Horticultural Club of Boston, 6_: 25, ton Area, 15 : 61-84 28 "Howard-Seal," 1_l: 50 - colour chart, American sources Hsueh, C. J., 8: 4 for, 7: 72 Hu, H. H., 8: 4 - - -, English, 7 : 42, 44-48 Huckleberry, 15: Plate XII, 67, 69

41 Huckleberry, Box, 17: 66, 67 Hydrangea peruviana, 24: 25 Humulus japonicus, 22: 555 - pests, 19: 6, 7 Hunnewell Arboretum, 1852-1952, - preslii, 24: 25 The, 12 : 61-84 - quercifolia, 26: Plate XIX, 64

- - -, tree measurements, 12 : 83, 84 seemanii, _24: 26

- - -, trees and shrubs introduced by, serratifolia, 24: 26 12: 75-83 - steyermarkii, 24: 26 -, - - -, listed in, 12: 75-83 - tarapotensis, 24: 26 - -, - - -, 12: 75- and Their originated in, - Hydrangeas Relatives, 83 Climbing, 24: 17-39 Hunnewell, H. H., 1 : 31; 12: 62 12; 14: Hypericum buckleyi, 13-- : Hunnewell, Walter, Sr., 1_2: 66 24; 16: 42 Hunnewell, Walter, Jr., 12 : 67 - cistifolium, 17 : 211 Huntington, Henry S., _9: 19 - densiflorum, 17: 29 Hupeh Evodia, _28: 2 - species, 11 : 8 Hurricane "Carol," 14: 37-40 Hypholoma sublateritium, 4: 2 -, damage, 6: 46; 14: 37, 40 Hypochoeris radicata, 22: 52 - "Donna," 20: 47-48, 52 - - and Its After Effects to a Iberis sempervirens, _8: 21, 22 Chatham, Massachusetts, Gar- - - ’White Gem’, 14 : 12, 24 den, 21: 67-733 - tenoreana, 8 : 21 - "Edna,"14: 38 Identification of Unknown Plants, - losses, 14: 41-56 27: 51-52 Hurricanes, rehabilitation of trees Ihrig, Herbert, Amateur’s Observa- injured by, 14: 41-555 tions on Hardiness From Growing Hyacinthus spp., 26: 75 Rhododendrons in the Pacific 18 2: 53-56 Hyams, George McQueen,_2:- Northwest, An, -, M. E., 2 : 18, 20 Ilex 15: 67, 19: 64, 69; aquifolium, - - Hybrid Azaleas, 13: 29 21 : 68, 69

- -, naming, 3 : 12 - aquipernyi, 17 : 68

- -, in cultivation, 21: 6, 7 - cornuta, 19: 64 19 Hydrangea, 14 : 10; 24 : - -, fruiting, 10: 811 - anomala, 24: 19, 20, 22 - crenata, 17 : 68, 69

- - subsp. petiolaris 24: Plate III, - - and its varieties, 20: 41-48 18, 20: Plate IV, 21 ; Plate V, - - ’Compacta’, 20: 42 23 - - convexa, 9 : 2; 11: Plate II, 8, - arborescens Plate Plate grandiflora 26:- 9; 17 : VII, 2, 24, 26; 20:- XIX, 64 Plate X, 41, 43

- asterolasia, 24: 24 - - fortunei, 20: 42 - diplostemona, 24: 24 - - ‘Glass’, _17: 69; 20: 42

- integrifolia, 24: 24 - - ’Green Island’, 17: 69; 20: 42 -, International Registration Au- - - helleri, 69; Plate X, 42, 17- : 20:- thority, 24: 87 43 - jelskii, 24: 255 - - ’Hetzii’, 20: 42

- macrophylla, 29: 76 - - ’Kingsville’, 17 : 69; 20: 44

- mathewsii, 24: 25 - - ’Kingsville Green Cushion’, 17: - oerstedii, 24: 25 69; _20: 40 - - latifolia 17: 68; 20: Plate X.

42 Ilex crenata major, 20: 42 Ilex verticillata ’Nana’, 29 : 10 - - mariesii, 20: 42 - vomitoria, 19 : 64, Plate XIII, 755 - - microphylla, _l6: 64; 17: 68, - yunnanensis, 8: 50; 16: 42; 17: 69; 20: 41, 42 70 - - ’Mountbatten’, Plate III, - -, 10: 83-84 20:- fruiting, 13, 12 Impatiens biflora, 18: 18 - - rotundifolia, 20: 42 Indian artifacts, 5 : 76 - - ’Stokes’, 20: 44 Indigofera incarnata alba, 13: 12; - - stokesi 17: 69 14: 24 Plate - - 45; 14; 24; - - varieties, _20: XI, 21:- kirilowii, 13 : 14: 26: 69 Plate XVIII, 62 - decidua, 19: 64 Indolebutyric acid, 17 : 50 8 : Plate XIII, 43; Indole-3-acetic 47 - - compacta, acid, _17:- 17: 69 Inkberry, 17: 69 - glabra, 8: 42; 17: 69 Insects, 19: 2-9 -, International Registration Au- Institute for Research in Experimen- thority, 2_3: 87 tal and Applied Botany, 7: 14, 16 - laevigata, 15: 67, 78 Interesting Trees, Five, _l l: 71-74 -, miscellaneous species 2_l: 69 Internal dormancy, 14: 27 - mollis 2: 24 International Code of Botanical No- 23: 933 - opaca 14: 52; 1_5: 67; 1_7:- 69, 70; menclature, 19: 67, 21: 68 - - - Nomenclature for Cultivated --’Amy’, 14: 71 Plants, New, 18: 46, 65-68; - - ‘Clark’, 17: 24, 26 2_3: 85 --’Elizabeth’, 14: 70, 711 - Plant Registration, 23: 85-92 - - ’Emily’, 14 : 72 - Registration Authorities, 23 : 85- - - ‘Freeman’, 14: 72 87 - -, fruiting, 10: 811 Introduction of Woody Plants into - -, male, 14: 69 North America, History of, 6_: 13- - - ‘Natale’, 14: 72 233 - - ‘Perpetual’, 14: 72 Iris, Blue Flag, 18: 18 - - ’St. Ann’, 14: 72 -, International Registration Au- - - ’St. Mary’, 14: 72 thority, 23 : 87 - - varieties, 21: 68 - 18; 22: 49 pseudacorus, 18:- - - 10; 52; 17: - 26: 76 pedunculosa, -21: -14: - spp., 70 -, Swamp, 18: 18 19: 5, 8 18: 50 - pests, - versicolor, 18; _22:- - and names to 22 : 49 plants discard, 20:- -, Yellow, 46 -, English, 17 : 68 - rugosa, 17: 70 - serrata, 19 : 74 Japanese beetle, 19: 6, 7, 9 - species, fruiting, 10: 81-83 Japanese- Chinese Subregion, List - sugeroki, 17 : 70 of Plants Introduced in the Main - varieties worthy of further trial, Botanical Gardens in Moscow 20 : 44 from the, _27: 8-14 - verticillata, 5 : Plate II, 11; dwarf trees, 11: 29-35;14: 15:- Japanese - - 67, 7S; 19: 70 1-7

43 Japanese Flowering Quinces, 14: 10 Juniperus chinensis aurea, 14: 16

- - - Hemlock, _28: Plate IV, 6, 7 ’Aureo-globosa’, 14: 16 - Hop, 22: 55 - - ’Dropmore’, 28: 18 - , 2_8: 2 - - ’Kaizuka’, 28: 18 - Walnut, 1: 54 - - ‘Maney’, 20: 11, 12 Jasmine, The Name, 2_5: 71-74 --’Mathot’,28: 18 Jasminum, _25: 19 - - ‘Old Gold’, 28: 18

- - - multiflorum, 25: Plate V, 211 ’Pfitzeriana argentea’, 14: 16 - nudiflorum, _5: 84; 19: 69 - - ‘Plumosa aurea’, 14: 16; 28: 18

- - - polyanthum, _25: Plate V, 211 ‘Plumosa aureovariegata’, 28: Jenkins, Charles F., Asa Gray and 18 his Quest for Shortia galacifolia, - - sargenti, 11: 8; 1_3: 14; 14 : 24; 2 : 13-28 20 : 111 - - -, Hemlock-the Queen of Con- - - ’Shoosmith’, 28: 18, 19 ifers, 6: 49-60 - communis, 17: 29 Jensen, Holger, 18: 9 - - ’Compressa’, 28 : 19 Jerusalem Artichoke, flowering tu- - - ’Effusa’, 28: 19 ber, 4: Plate II, 5 - - ’Gold Beach’, 28 : 19; 29: 10, Jesinger, Rolf, Rooting of Conifer 111 Cuttings, 27 : 85-90 - - ’Minima’, 28 : 19 Jetbead, 16: 72 - - ’Prostrata’, 28: 19 Jewett, James R., Beach Plum - - ’Repanda’, 28: 19 9: 3 - - 28: Plate 19 Award, 52, 63 saxatilis, VII, 17,- Joe-pye-weed, 18 : Plate IV, 20, 211 - conferta, 28 : 19 63 13 : 14: Plate Johnson, Vieno T., Prize, _9: - horizontalis, - 14;- IV, Judd, William H., 5 : 3; 6 : 23; _7: 2 17,24 - - -, 1888-1946, Propagator at - - ’Alpina’, 28 : 19-20 Arnold Plate - - 14: 16, 17 Arboretum, 6:- douglasi, I, 25-28, 49 - - - ‘Glenmore’, 28: 20

------, The William Henry Memorial ’Marcellus’, 28: 20 Fund, 6 : 28 - - plumosa, 3 : 17; 1_3: 14; 14 : 24 , 12: 30 --’Prince of Wales’, 29: 3 - cinerea, 2: 12; 4: 6 - - ‘Watnong’, 27 : 62 - cordiformis and horticultural - - ’Wiltonii’, 28: 20 varieties, 12: 30 - pests, 19: 2, 3, 4, 8

- - - ailantifolia, _12: 30 procumbens, 28: 20 2: 11; 4: 6; 23: Plate XI, - - ’Nana’, 20 - nigra, - - 28: 124 - sabina tamariscifolia, 28: 20

- - - 16: 42 5 : Plate 69; lanciniata, scopulorum, - XIII, - pests, 19: 4, 8 20: 111 - regia, _2: 12 - - ‘Grey Gleam’20: 111

- - - sieboldiana, 1: 5 varieties _14: 16 - - cordiformis, _1: 54; 2: 12 - squamata, 28 : 20 , 16: 62 - - ’Loderi’, 28: 20 - scale, 19 : 2, 4, 8, 9 - - ’Prostrata’, 28: 20 - web-worm, 19: 3, 8 - virginiana, 14: 52; 15 : 63; _17: 24, 26; 19: Plate XII, 60 ; 20 : 12

44 Juniperus virginiana burkii, 14: 16 Kobuski, C. E., Revised Glossary of - - glauca, 14: 16 More Common Botanical Terms, Junkyards, Gravel Pits and Dumps, 15: 25-44 Plants for Screening, 25: 45-48 Kodachrome slides on the Arnold Juvenile Characters of Trees and Arboretum, 12: 60 Shrubs, 18: 1-7 Koelreuteria 12: 10; 14: paniculata, - - - foliage forms, some, 18: Plate I, 5 522 - - ‘September’, 27: 64 Kalmia angustifolia, 17: 70 Kolesnikov, L., 19: 31-35 15 : 17: Kolkwitzia 7 : 9; 17: 26 11; 8:_ 71; - latifolia, 6 : 42; - - amabilis, 21, 70,71 - - - ‘Bettina’, 27 : 62-64 Krussmann, Gerd, 18 : 9 - leaf spot, 19 : 4, 8 - -, Die Baume Europas, Ein Tas- - pests, 19: 4, 8 chenbuch fur Naturfreunde, Kalopanax pictus, 8: 52; 9 : 2; _12: (Book Review) 28 : 68 Plate III, 9, 10; 14: 52; 16: 42 Katsura, Japanese, 1_6: 72 Label, embossed or record, 24 : 9, 10 Katsura-tree, 17: 20 Labeling and mapping, cost of, 20: Kentucky Blue Grass, 22 : 50 82,83 Kerria Labels in the Arnold aureo-vittata, Arboretum, - japonica 14:- 8: 16 13-16; 24: Plate I, 9-12 - - - - - Ketmie, 1 : 41 -, types of, 8 : Plate V, Kew Botanic Garden, 7 : 30 14-16; 24: 9-12 Key, Christmas tree identification, -, plastic, 24 : 10 _15: 633 Labrador tea, 17 : 72 -, Lilac, 19 : 24 Laburnum, 21: 28 - to common Elm 78 52; 28: 211 species, 1- : - alpinum, _8:

- to the Firs, 3: 65 - - ’Fragrans’, 21: 28

- - - of tree - 21: 28; 26: Plate genera Legumes, _21:- anagyroides, - 30 XXII, 68, 71

- - - Hemlocks and - - 21: 28 Spruces, 3:- alschingeri, - 57-64 - vossi, 1_4: 52 - - - Pines, 3: 49-56; 11: 63-70 - X watereri, 2_l: 28 - - Theaceae cultivated in the Uni- Lacebug, 19: 4-9 ted States, Lactuca 20 17 : 3, 4 canadensis, 18- : Killing woody plants, 16: 6 -, spp., 4: 4 - - - with Chemicals, 61-711 Plate - 10 : Lagerstroemia indica, 23- : XIII, Kingnut, 1: 54 123, 126 Kinsey, A. C., 3 : 44 Landscape Changes at the Arnold ball, Plate XVI, 63, 68; Arboretum, 45- Kissing 1_6: Contemplated, 6:- 29: Plate XXIV, 112, 120-124; 48 Plate XXVIII, 1211 Landscape plants that are frequently Knight, Thomas Andrew, 18 : 2, 6 winter-injured but return to use- Kobuski, C. E., British Gardens in fulness in one season, list of, 26: - War Time as Seen by an American 63 Soldier, 5 : 77-88 Lanolin emulsion, 16: 5 - - -, Horticultural Herbarium, Lantana camara, 2_6: 74 The, 18: 25-28 - -, a poster, 29 : Plate XXII, 75, Plate XXIII, 77 45 Checklist of Cultivar Names 4; 15: 75 Lantana, Lepidium virginicum, 4 : - Used in the Genus, 29: 73-109 Lepiota naucina, 4: 2 Lapin, P., Seasonal Rhythm of De- - procera, 4: 2 velopment of Woody Plants and Leptospermum, International Re- Its Importance in Introduction, gistration Authority, 23 : 86 27 : 1-14 Lespedeza japonica, 12: 59 Larch Case-bearer, 19: 4, 8 - thunbergii, 12: 59 -, European, 14: 44 Lettuce, wild, _18: 20 -, Golden, 16 : 48 Leucothoe axillaris, 23: 93-96, Larix decidua, 2_8: 2 Plate V, opp. p. 97

- - - - pendula, 16: 44 and L. fontanesiana, differ- - gmelini japonica, 7 : 34 ences between, 23 : 97 - kaempferi, 28: 2 - catesbaei, 11: 8; 13: 14; 14 : 24; - laricina, 28 : 2 16 : 72; 17: 72-73; 23: 93, 95, 96 - - witches’-broom, propagation, - editorum, 1_5: 68; 23 : 95 48 - fontanesiana, Plate IV, Plate 27 : 23- : - leptolepis, 12: 11; 14: 2, 52; 28: V, 93-99 - - ‘Angusta’, 23 : 90 - pests, 19 : 4, 8 - - ’Angustata’, 23 : 99 Larz Anderson Collection of Japan- - - cultivars, 2_3: 99 ese Dwarf Trees, 29-35; - - ’Folia 23: 99 The, 1_l:- Multicolor’, 14: 1-7 - - ’Girard’s Rainbow’, 23 : 97, 99 emulsion, 13 : 67 - - ‘Nana’, 2_3: 99; 29 : 12 Laurel, Mountain, 6 : 111 - - ‘Rainbow’, _23: 99 ’ -, winter damage to, 8 : 9 - - ‘Rollissonii’, _23: 99 Laurus nobilis, 26: Plate VIII, 11I - - ’Trivar’, 2_3: 97, 99 Lavandula Plate Libocedrus decurrens, 71 officinalis, 29:" 15:- XXXVI, 137 Ligustrum, 25 : 20 Lavender, 22: 533 - amurense, 17: 21, 26 Lawrence Scientific School, 7 : 133 - ibolium, 21: 48; 17: 21, 26 in 13: 25 Layering plants Holland, - - ibota, 17: 21,29 Lead arsenate, 13 : 83 - obtusifolium, 12: 48 Leatherleaf, 17 : 65 - - regelianum, 12 : 48; 17: 21, 26 Lecture Series, "Meet the Staff," 28: - ovalifolium, 17 : 21, 26 132 - - marginatum, 14: 16 - slides on the Arnold Arboretum, - - variegatum, 16 1_4: ’ 19 : 14 - pests, 19 : 4, 8 Lectures, 21 : 74 - sinense, 17: 21, 27 Ledum 72 - 14: 16; 16: 44; groenlandicum, 17: vicaryi, 8: 52; - 17: Legumes, Tree, in the Arnold Arbo- 21, 26 retum, 2_l: 19-30 - vulgare, 17: 21, 26 Lehmer, Mary, Walter Street "Berry- - - ‘Lodense’, 1_7: 21, 26 ing" Ground, The, 21: 75-82 - - pyramidale, 8 : 52 buxifolium, 14, Lilac, 3, 10, 12 Leiophyllum 13:-- 14: 6 : 24; 17: 72 - and privet incompatibility depic- Lemon Leaf, _15: 68 ted by overgrowth of the scion, Leontodon autumnalis, 22: 52 19: Plate V, 41

46 Lilac Booklet from 31-355 and care, Russia, - Lilacs, 19 : propagation 19:- - borer, 19: 3, 7, 9 36-45 8: 2 -, rootstocks 57-60 -, Chinese, 22; 17: 22; 1_8:- for, 10: - collection, 18: 16 -, seed, 19 : 44 15 : 20; 22 40, 42 -, Common, 1_7:- -, softwood cuttings, 19 : -, Cutleaf, Lilies in their order of bloom, _17: 22 24:- -, Hungarian, 17: 22 89-95 - insects and diseases, 19 : 2, 3, 4, 9 Lilium, International Registration -, late, 15: Plate IV, 19 Authority, 23 : 87 - at the Arnold Arboretum, - 18: 20 path 5:- philadelphicum, Plate VI, 355 - superbum, 18: Plate IV, 20, 211 Chinese-lantern, 19: 76 14, 16 ------incolor,_9:- Lily, -, Persian, 8 : 22 -, Wood, 18: 20 - registrations, 26: 13, 14 Lily-of-the-valley, 22: 54 -, sequence of bloom, 15 : 18 Lime sulphur, _13: 84 - scion own-root development in Limonium sp., 1_5: 80 one year, 19: Plate IV, 39 Linaria vulgaris, 18: 188 - - - - after two 19: Plate Lindane, 84 years, - 13: VI, 43 Linden, 22: 69-76 ’ - Sunday, 1 : 40 -, Big-leaf, 22: 72 - -, Open House, 16: 28 -, Crimean, _22: 70 17: -, thirty-five-year-old own-root, European, Littleleaf, 22; 22: maintained in condition of self- 70 renewal 19: -, 22 : 72 by systematic pruning, - Mongolian, Plate 37 72 III, -, Pendant Silver, 22- : - time, 8: 21-24 -, Silver, 22: 72 - varieties, 23 : 80 Lindera benzoin, fruiting, 10: 83 Lilacs, 3 : 23; 4: 2 3 ; 9 : 13-16; 1_4:10 Lipp, Lewis F., 12: 46 -, best hybrid, listed in their respec- - - -, Effect of Light on Seed tive groups of popularity, 15: 22 Germination, The, _l l: 40 "Lilacs for America," _2: 3 3 ; 15: 17; - - -, New Methods in Plant Prop- 77 agation, 13 : 61-67 -23 :-, the one hundred - - -, Note on Unit, "best", 2:- Propagating 33-355 14 : 20 -, good early hybrids, 15: 22 Liquidambar, 21: Plate VII, 59-66 - from 31-35 - formosana, 61 Russia, booklet, 1_9:- 21: -, graft blight, 1_0: 57 - -, ’Afterglow’, 21: 62 -, grafting, 19 : 44, 45 - orientalis, 21: 61, 62 -, hardwood cuttings, 19: 42 - styraciflua, 14 : 52; 15 : 76; 16 : 72; - in their order of 17-233 21: Plate bloom, 1_5:- VII, Plate VIII, 59-61, -, late hybrids, 15: 23 63,65,66 -, layers and division, 1_9: 42, 44 - - aurea, 14: 16; 21: 611 -, list of recommended, 9: 14, 155 - - ’Burgundy’, 29: 4 -, midseason varieties, 16: 22 - - ’Festival’, 29: 4 -, of New England 19: 23-30 - - ’Gum Ball’, 29 : 4 -, one hundred 3 3-35 - - ’Palo Alto’, 21: 61; 4 "best", 2 : 29- : -, planting, 19 : 38, 40 - - f. pendula, 21: 61

47 Lonicera ’Hack’s 32 Liquidambar styraciflua, propagation Red’, 20- : of, 21 : 66 - X heckrottii, 22: 62 - - f. rotundiloba, _21: 62 - henryi, 13: 10; 14: 24; 22: 62 - - f. suberosa, _21: 611 - hildebrandtiana, 22 : 62 Liriodendron chinense, 16: 23 - japonica aureo-reticulata, 14: 18; - tulipifera, 23: Plate XII, 125 16: 44; 22: 62 - - contorta, 16: 24 - - halliana, _14: 24; _22: 64 - - crispa, 16: 24 - - repens, 22: 64 - - fastigiatum, 9 : 2 - korolkowii, 20: 30; 22 : 64 - - variegata, 14: 18 - - aurora, 20: 30, 32; 22 : 64 Liriope spicata, 14: 24 - - floribunda, 1_1: 10; _17: 29 - - 64 Live-for-ever,22: 54 zabelii, 20 : 29, 30, 32; _22:- Locust borer, _19: 6, 9 - maackii, _22: 64 - fruits, 15: 74 - - podocarpa, _22: Plate XX, 611 - twig borer, 19 : 5, 9 - maximowiczii, 20: 32 Lolium perenne, 29 : 50 - - sachalinensis, 8 : 54; 20: 32 Long, William P., 7: 7, 8 - morrowii, 20 : 30; 22 : 64 Longevity of ornamental woody - - X tatarica, 20: 30 plant seeds, 13: 555 - nitida, 22 : 64 - - Seed in Storage, _13 : 56 - notha, 20: 29 Lonicera nana, 22: Plate 22 : 64 alpigena - - pileata, XXII, 59, 65 - praecox, 8 : 10 - X amoena, 20: 30, 32 - praeflorens, 5: 2 ; 8 : 54 - - alba, 1_6: 44; 22: 59 - prostrata, 22: 66 - X amoena ’Arnoldiana’, 8: 54; 1_l: - purpusii, 21 : 44 10; 20: 32; 22 : Plate XXI, 60, 63 - pyrenaica, 22 : 66 - X amoena rosea, 322 - translucens, 58 20 : quinquelocularis 7- : - ’Arnold Red’, 20 : Plate VIII, 29, - ’Redgold’, _22: 66 311 - sempervirens, 22 : 66 - X bella, 1_l: 10 - - sulphurea, 22: 66 - - - atrorosea, 20: 322 - - ’Superba’, 2_2: 66 - - - candida, _22: 60 - ‘Sheridan Red’, 20: 32 - - - rosea 20 : 29 ; 22: Plate XX, - syringa wolfiii, 22 : 66 60,61 - syringantha, 20: 29; 22: 66 - X brownii, 22 : 60 - tatarica, 16: 44, 45 ; 17 : 18, 21, - 22: 60 27; Plate XX, 61, 66, caprifolium, 20:- 29; -2_2: - chrysantha, 22: 60 67 - ’Clavey’s Dwarf’, 20: 12; 22: Plate - - alba, 22: 67 XX, 61; Plate XXII, 60, 65 - - angustifolia, 20: 30 - deflexicalyx, 22: 60 - - ’Arnold Red’, 1_5: 50; _15: 44, - dioica, 16 : 45 45; 22: Plate XX, 61, 67 - ’Dropmore’, 22: Plate XXI, 60, 63 - - elegans, 20 : 30 - etrusca 62 - - 22 : 67 ’Superba’, 22- : grandiflora, - flava, 22 : 62 - - leroyana, 20: 30; 22: 67 - fragantissima, 8: 10; 17 : 21, 26; 21: - - lutea, 20: 30; 22: 67 44; 22: 62 - - ’Morden 22: 67 Orange’, - - ’Goldflame’, 22: 62 - - nana, 22: 67

48 Lonicera tatarica parviflora, 22: 67 Maclura pomifera, 17: 21, 27 - - pulcherrima, 16: 44 Macoun, W. T., 7 : 30 - - punicea, 20 : 30 Madake, 6: 38 - - rosea, 20: 30; 22: 67 Madworts, Ornamental and the Cor- 16: rect Name of the Goldentuft - - sibirica, - 45; 20: 29, 30, 32; Allys- 22: 67 sum, 2 : 3 3-48 - - X tellmanniana, 22: 67 Magnolia, 4: 21; 15 : 68 - - virginalis, 22: 67 - acuminata;_8: 21; 20: 17, 18, 20 - - thibetica, 20 : 29; 22: 67 - buds, 20: Plate V, 211

- - tragophylla, 22 : 67 conspicua, 20: 20

- - xylosteum, 20: 12 cordata, 2 : 22, 24; 20: 17, 19

- - yunnanensis, 16: 45; 22: 67 cylindrica, 20: 27 Loniceras for pink to red color, sum- - denudata, 7 : 25; 12: Plate XII, 11, mary, 20: 32 47; 20: 18, 22 Looking towards Beach Plum cultiva- -, evergreen, 16: 62 tion, 9 : 53-64 - flowers, 17: Plate V, 15 ; 20: Plate Loosestrife, Purple, 22: 49 VII, 25 -, Spiked, 18: 20 - fraseri, 20: 18, 20 -, Swamp, 18 : Plate V, 22 - grandiflora, 15 : 68; 16: 62; 19: Lord, Frederick P., 2 : 28 64,67 15: Plate 74 - - X 20: 28 Lotus, XIII, -73, virginiana, Louden, J. C., 18 : 3 -, International Registration Au- Low temperatures, 13: 38 thority 23 : 87 Lowell Holly Reservation, 14: 68 - X kewensis, 20: 28 Lupinus polyphyllus, 5: 84 - kobus, 7 : 2 5 ; 9 : 11; ~ : Plate XII, Lycopodium, 15: 62, 70 45, 47; 20: 18, 20, 22, 27

- - - annotinum, 15 : 70 borealis, 8 : 54; 9: 2; 20: 27 - cernuum, 15 : 70; 19: 733 - - ’Nana Compacta’, 20: 28 - clavatum, 15 : 70 - liliflora, 20: 20, 22, 27

- - - complanatum, _15: 70 gracilis, 20: 27

- - - lucidulum, 15: 70 nigra, 20: 17, 18, 20 - obscurum, 15 : Plate XIV, 70, 77 - X loebneri, 9: 11, 12; 20: 18, 27 Lysenko, A. D., 19 : 311 - - ‘Merrill’, 12 : Plate XII, 45, 47; Lysimachia nummularia, 13: 16; 14: 15 : Plate II, 8, 14; 16 : Plate XI, 24; 18: 18 39 Lythrum salicaria, 18: Plate V, 20, - ’Lombardy Rose’, 20: 24 22; 22 : Plate XIX, 49, 511 - macrophylla, 20: 18, 20 Maackia, 21: 20 - obovata, 20: Plate VI, 17, 18, 22, amurensis, 7: 36; 21: 20 23,28

- - - var. buergeri, 21: 20 officinalis, 20: 18, 27

- - - chinensis, 21: 20 biloba, 20: 27 MacDaniels, L. H., 2 : 9 - parviflora, 20 : 22 - - -, Nut growing in the Northeas- - proctoriana, 12: Plate XII, 47; 20: tern States, 1: 45-64; 12: 21- 18,27 40 - salicifolia, 12 : Plate XII, 47; 20 : 18, McKelvey, Mrs. Susan Delano, 16: 28 22 - sieboldii, 20: 18, 22

49 Magnolia slavinii ’Slavin’s Snowy’, Magnolias Hardy in the Arnold Ar- 20: 27 boretum, 20: 17-28 - X 20: Mahoberberis soulangiana, 17, 18, 22, 27 aquicandidula, 17:" - - - ‘Alba’, 20 : 22 72, 73; 18: Plate 11,11I - - - ’Alba Superba’, 20 : 22 - aquisargentii, 17 : Plate XIV, 63, - - - ’Alexandrina’, 20 : 22 72, 73; 18: Plate II, 10, 111 - - - ‘Amabilia’, 20: 27 - hybrids, two new, 18 : 9-12 - - - ‘Andre Le Roy’, 2~: 22 - miethkeana, 17. 73; 18: 12 - - - ’Brozzoni’, 20: 24, 28 - neuberti, 18: 10 --- ‘Burgundy’ 20: 222 Mahonia aquifolium, 11: 10; 17: 73 ; - - - ‘Candolleana’ 20: 27; 21: 44 18: 9; 21: 44 - - - ‘George Henry Kern’, 20: 27 - - ’Compactum’,29: Plate III, 12, - - - ‘Grace McDade’, 20: 24 15 - - - ’Lennei’, 20: 18, 24 - repens, 17: 733 - - - ’Lennei Alba’, 20: 28 Maidenhair Tree, 8 : 1 - - - ’Lombardy Rose’, 20: 24 Maiden’s-tears, 18: 18 - - - ’Norbertiana’, 20: 28 Maintenance force, Arnold Arbo- - - - ’Purpurea’, 20: 28 retum, 6: 2 - - - ’Rubra’, 20: 24 Marjoram, 22: 533 - - - ’Rustica’, 20 : 24, 28 Malachodendron, 17 : 10 - - - ’Rustica Rubra’, 20: 24 Maleic hydrazide, 10: 33-38 - - - ’San Jose’, 20: 24 - -, bibliography, 10: 38 - - - ’Speciosa’, 20: 24 - effect of, on treated cuttings, - - - ’Spectabilis’, 20: 24, 28 10: Plate IX, 35 - - - ’Triumphant’, 20: 28 Malling rootstocks, 10: 74 - - - 20: 24 Malus 6 ’Verbanica’, - arnoldiana, 14 : 52; 15: - species, 14: 52 - ’Arrow’, 16: 29 - -, fifteen different leaves, 20: - atrosanguinea, 14: 52; ~: 7 Plate IV, 19 - baccata l.f : 29 - sprengeri diva, 20 : 177 - - columnaris, 8 : 54 - stellata, 5: 2; 7: 25; 8: 10; Q: 11; - - mandshurica, 6 : 12, 7: 26 _l l: 10; 1_2: Plate XII, 45, 47; 15 : 8; - - ’Barbara Ann’, _26: 15; 2_Q: 12 16: 45; 20: 17, 18, 20, 22, 24 - - ‘Snowdrift’, 23 : 90 - - X kobus, 12: 45 -, best for flower, 10 : 26, 27 - - ‘Red’, 20: 26 -, - - form, 10: 28 - - rosea, 20: 26 -, - - fruit, 10: 27, 28 - - rubra, 20: 26 - X ’Blanche Ames’, 15: 6 - - ‘Waterlily’, 20: 26 -’Bob White’, _9: 2; 16 : 32 - X thompsoniana, 20: 18, 26 - collection, 1_8: 15, 16 - tripetala, 20 : 18, 22, 28 -, colored foliage, 10 : 28 - - variegata, 20: 28 - ‘Coralburst’, 29 : 4 - virginiana, 12: 11; 20: 17, 18, 26 - ’Crimson Brilliant’, 14: 18 - - australis, 20: 28 - ’Dainty’, 29: 4-5 , - X watsonii, 20: 18, 27 - dawsoniana, 9: 2; 1_6: 29 - wilsonii, 20: 18, 27 - ‘Dorot~ea’, 8: Plate XVII, 54-56; - - taliensis, 20: 28 12: 11; 14: 52; 15: 8; 16: Plate III, Magnolias, 12 : Plate XII, 45, 47; 14: 11, 29; 19: 16 10 - ’Dorothy Rowe’, 26 : 155 so Malus, dual purpose, 10: 28 Malus sargenti, 6: 12; 1_l: 11; 15: 7; - ‘Eley’, 14: 52 19: 18 ; 27 : Plate XXII, 27, 77

- - - ’Ellen Gerhart’, 29 : 5 - . as rootstock, 10 : 74

- - - florentina, 10: 74 rosea, 15 : 7

- - floribunda 14: 52; 16: 29 scheideckeri, 14: 54

- - 18 23: 18 atropurpurea, -14: - ‘Selkirk’, - ‘Garry’, 23: 116 - sieboldii, 16: 29

- - - ‘Gloriosa’, 4: 2 ’Fuji’, 29: 5 - ’Guiding Star’, 26: 16 - sikkimensis, 7 : 16; 10: 26, 74 - halliana parkmannii, 3: 233 -’Silver Moon’, 29: 6

- - - spontanea, 9 : Plate III, 10 spectabilis riversi, 15 : 7 - ‘Henrietta Crosby’, 15: 6 - ’Spring Snow’, 26: 16 - X F. - 14: 18 ’Henry duPont’, _15: 6; -19: ’Strathmoore’, 16 - ’Timiskaming’, 14: 18 - ’Henry Kohankie’, 26 : 16 toringoides, 7: 9; 10: 26; 12: 13; - ’Hopa’, 14: 52 54 - hupehensis 7: 9; 10: 26; 12: 11; -1_4: macrocarpa, 11: 72 14: 52 - tschonoski, 10: 26 - hybrid, 18 : Plate I, 5 - ‘Vanguard’, 23: 90 -’Indian Magic’, 29: 5 -’White Angel’, 23 : 90 6 -, International Registration Au- -’White Candle’, 29 : thority, 2 3 : 87 - zumi calocarpa, 3 : 23; 14: 54; 16: - ‘Katherine’,_9: 2; _15: 8; 19: Plate 32 II, 19 Manchu Cherry, 24 : 811 - ’Makamik’, 16: 29 Mangelsdorf, Paul C., 7: 14 - X ’Mary Potter’, 15 : 6 Manitoba Hardy Plant Nursery, 7 : - moerlandsi, 1_4: 18 34; 8_: 29 - ’Oakes Rosy Bloom’, 14: 133 -, Northern, Fifty Years of Garden- - ’Ormiston Roy’, 16: 29 ing in, 7: 29-40 - parthenogenetic, 10: 26 Manzanita, 15: 83 - pests, 19: 2, 3, 5, 8 Map, Case Estates, 15: 24; 18: Plate - ’Pink Cascade,’ 29: 5, 6 IX, 43; _23: Plate III, 8 - ’Prince Georges’, 8: 56; 9: 4 -, climatic, northeastern states, _l: - ’Profusion’, 14: 18 Plate III, 47; Plate IV, 49; Plate V, - pumila niedzwetskyana, _9: Plate 51; 12: Plate VII, 2 3 ; Plate VIII, VI, 37 ; 14 : 18; 15: 6 25; Plate IX, 27 - 12: 13; -, covers and demonstration purpurea aldenhamensis, - ground 29 at Case Estates, Weston, 14: 14: 52; _l6: plot - - - eleyi, 1_4: 18; 1_5: 6 Plate V, 233 4; 13; 18, -, roads between Arnold Arboretum - - lemoinei, _9: 1_2:- -_14: 29 and Case Estates, Plate X, 44 52;16: 18- : - ‘Radiant’, 23 : 90 Maple, _15: 111 - ’Red Jade’, 16: 29 -, Amur, 17: 20 - ‘Red River’, _16: 24 -, Asiatic, propagation, 17 : 45-56 -’Red 16 15: 111 / -, ’Crimson - Silver’, 9: 4; -19: King’, - ’Redford’, 14: 18 hedge, 17: 20 - robusta, 10: 26; 14: 54 -, Norway, 14: Plate VIII, 43; 17 : 20

511 Maple, Paper Bark, 18 : Plate XV, 611 "Meet the Staff," Lecture Series, -, Red, columnar form of, _6: 10; _16: 2_8: 132 2, 34 Menispermum canadense, 26: Plate -, Schwedler’s, 16: 18 XXI, 68, 69 -, Sentry, 6: 10 Meratia praecox, _2: 8 Maps, hardiness, Arnold Arboretum, Mercer, Martha Dana, 22: 34 27 : 53-54 Mercer, Mrs. William R., 2_2: 34 -, -, Canadian, 27 : 5 5 Merrill, E. D., 1: 40, 44; 2: 50; 4: -, -, relationship between Arnold 28; 5: 64; 6: 4, 60 ; 7 : 4; 12 : 45 Arboretum and USDA maps, - - -, Emergency Food Manuals, 27 : 555 4: 29-36 -, -, USDA 27: 54 - - -, Metasequoia, Another "Liv- -, -, for the United States, _3 : 53 3 ing Fossil," 8 : 1-8 -, plant hardiness zone, 27 : 53-56 - - -, A Simple Change in Name, Marguerite, Wild, 22: 52 1: 1-2 Marker in Peters Mertens and 37 burying ground, Nussbaumer, 2_l:- Hill, 21 : Plate IX, 79 Metake, 6: 38 Marsh, Dorothy, Mrs., 17: 2 Metal display labels, 24: 12 Marshall, Humphry, 17: 6, 8 Metasequoia after Twenty Years in Marshall, , 17: 6, 8 Cultivation, 28: 113-123 Marx, Victor F., appointed Librar- -, Another "Living Fossil," 8: 1-8 ian, 27: 71 -, Brought up to Date, 11: 25-28 Mason, C. Russell, Build Bird Popu- -, flowering and fruiting character- lation with Food Plants, 5 : 5-20 istics, 28 : Plate XXXV, 114-116 Massachusetts Association, - glyptostroboides, 11: Plate VIII, 8: 19, 20 27; Plate XVI, 25, 72, 733 -, Department of Public Health, 7: - -, ’National’ _23: Plate IX, 117, 14 118 -, gardens, shrubs, 11 : 1-20 - -, growth rates, 28 : Plate XXXVI, -, trees for, 12 : 1-20 Plate XXXVII, 117-119 and covers, of area where -, vines ground for, 13:" -, map found, 8 : Fig. 1-19 3, 7 -, University of, 1: 211 - pests, 19: 6, 8 Mather, Increase, _21: 78 -, possible use for paper pulp and Matthiola incana, 5: 84 , 28: 120 -, International Registration Au- -, showing botanical characteristics thority, 23 : 87 of, 8 : Plate II, 5 Meadow, The, _18: 17-24 -, some of the taller in cultivation Meadow 50 as of 1, 120- Foxtail, 22: January 1968, 28- : - road in the Arnold Arboretum, 7: 122 Plate VIII, 59 -, type of tree of, 8 : Plate I, 3 - -, new 7 Metcalf, Franklin Flowers of the plantings along, 9:- 6, P., - Rue, 18: 20 Chinese New Year, 2 : 1-8 Mealybugs, 19: 4, 7, 8, 9 Methods of producing new orna- Medicinal plant garden of the Massa- mental plants, 15: 111 chusetts of 2: - - 20: College Pharmacy, " sowing (seeds), 39, 40 38-40 Metrosideros excelsa, 19: 77

52 Michaux, Andre, 2: 13, 14 Morton Arboretum, new building Michelia alba, 2: 8 dedicated at, 2 : 50

- champaca, 2 : 8 . - -, Thornhill Building, 5 : Plate Michurin, I. V., 19: 31-355 VIII, 43 Miethke, Henry O., 18 : 12 Morton, Joy, 2: 50 Mild winter temperatures, 1_3: 37 Morus species,fruiting, 10: 83 Milkweed, _15: 74, 18: 20 Moscow, main Botanical Garden, Ming Trees, 15 : 83 collections, 27 : 1 Minnesota, University of, 7: 33 -, - - -, list of plants introduced from the Mistletoe, 15 : 61, 71, 16: 70, 19:- Japanese-Chinese 69, 72 Subregion, 27 : 8-14 -, European, 29 : Plate XXI, 69-72 Moss, Club, 15: 70 Mite, _19: 7, 8, 9 Mother-of-thyme, 17 : 75 Miticide. 84 Mountain 5: Plate 13; Ash, III, - 1_3: - 16: Mockernut, 1: 54 48, 49 Mockorange, 4: 24; 16: 46 Mountain Ashes, The, 29 : 61-68 - -, Plate XII, Mountain-laurel, 10; 71; ’Bouquet Blanc’, 1_6:- 14 : 1_5: 16: 43, 46 62; 17: 70, 711 - -, Lemoine, 211 Mountain Sorrel, Plate III, 311 upright, 17- : _4: - -, Sweet, 17: 211 Mulch, Black Polyethylene as a, 24: - -, Virginal, 16: 46 13-16 Mock-Oranges, The, 25 : 29-36 -, Cocoa-shell, 17 : 3 3-36 Moline Elm, The, 11: Plate XX, 88 -, Spent Hops, 7: 69-72 Monetary losses, _14: 555 Mullein, Giant, _22: 54 Moneywort, 18: 18 Munsell Book of Color, _7: 44 Monograph of Azaleas, 2 : 511 - Color System, 17 : 58 Monstera deliciosa, Plate IV, 333 Muscari racemosa, 5 : 84 Moraine Locust, _l l4: 711 Myrica pensylvanica, 15: 72 More, Robert E., Glenmore Arbore- Myrtle, 17: 76 tum at Buffalo Creek, Colorado, The, 5: 65-76 Name, Jamine, The, 25 : 71-74 More Tree Trunks, 26: 5-12 -, publishing the horticultural, 3: 12 Morning glory, wild, 18 : 20 -, rules for selecting new horticul- Morrill Act of Congress, 7: 133 tural variety, 3: 111 Morrill, Justin Smith, homestead and -, selecting the new, 3 : 10 plantings today, 28 : Plate XIV, Names, legitimate and illegitimate, Plate XV, Plate XVI, Plate XVII, 21 : 5, 6 42-47, 49 Naming of Horticultural Varieties, - - -, plants listed by, on the plan The, 3: 9-133 of his estate grounds, 28 : 46- Nandina domestica, 19 : 73, 74 52 Nanking Cherry, 24: 811 - - -, Some Horticultural Activities -, National Central University at, 8: of, 28: 41-52 Morriss, Edward, 21 : 80 Narcissus, International Registration Mortier, P., 2 : 54 Authority, 23 : 87 Morton Arboretum, 2: 50 - spp., 26 : 75 - -, collection, Plate IX, - tazetta, 2 : 2 hedge 5- : 43

53 Narihiradake, 6: 38 Norman Jay Colman Award, 10: 711 Narrow-leaved Evergreens, Winter Noronhia, 25 : 22 Color 17-20 Note on 12: Foliage of, 3: Ligustrum ibolium, A, " National Academy of Sciences, _l: 40 48 National Registration Authority, 21: - on propagating unit, 14 : 20 2, 4; 23: 87 Notes on Making an Herbarium, 28: Neanthe bella, 1_5: 66 69-1111 Nelson, Ralph M., 2: 26 Nurseries listing rare woody plants Nelumbium nelumbo, 15: 74 in 1941 catalogues, 1 : 7, 22 Nemopanthus mucronata, fruiting, - offering new plants, List of, 9: 2 _10: 833 Nursery Code, Key to, 19 : 30 Nepeta hederacea, 14 : 24 - sources for nut trees, _2: 9-12 Nerine, International Registration Nut Growing in the Northeastern Authority, 23: 87 States, 1 : 45-64; 2 : 9; 1_2: 21-40 Nerium oleander, 26: 74 - - - Northeastern States, Cultural Nettle fruits, Spanish, 18: 22 Practices, 1: 58-61; 12 : 34-36 -, stinging, 18: 18 ------,fertilizers, 1: 61, Nevling, Lorin I., Climbing Hydran- _12: 36-37 geas and Their Relatives, _24: 17-39 ------, harvesting, 1: 63- - - -, Some Ways Plants Climb, 64; 12: 39 28: 5 3-66 ------, insect and disease New and Rare Ornamental troubles, 61-62; Woody 1- : 12: Plants Distributed by the Arnold 37-38 Arboretum, 8: 45-64, 16: 33-511 ------, species and varieties, New England Council, 8: 177 1: 50-58, 12: 26-34 - Ground Cover Plots, The, Display ------, summary, 1:- 64, 12 : 11: 21-24 39 - Hedge Demonstration Plot, The, Nut trees, northern nurseries special- 24: Plate IX, 99; 97-100 izing in, 2 : 10

- - Horticultural Color Chart, 17: -, nursery sources for, 2 : 9-12 Plate XIII, 57-60 - -, varieties and their sources, 2:10 - methods in , _l 3: Nuts, Hazel, 16: 72 61-67 14: 54, 16 : 72, 21: Nyssa sylvatica, - - - - plants, 15 : 50-52 211 - recently registered, 23: 114 - -, registered, _25: 111-118 Oak, Black, 22: 86 - -, sources for, 1-4 -, California Black, 82 9: 22:- - -, worthy of trial, 29 : 9-16 -, - Live, 22: 78 - -, propagating unit, 13: 62 -, Canary, 22 : 80 - -, spray materials, 1_3:69 -, Canyon Live, 22 : 80 - York Botanical Garden, _21: 37 -, Chestnut, 22: 84 Howard 37 Plate XXVIII, Newton, C., 2 : -, Cork, 19 : 72, 22- : Nickerson, Dorothy, Miss, 17: 58 83, 86 Ninebark, 17 : 21 -, Engler’s, _22: 80 -, Illinois, dwarf, 211 Plate VIII, 17: -, English, 17- : 31, -22: Nomenclature for Cultivated Plants, 84 New International Code, 18: 65-68 -, English pyramidal, 17 : 22

54 Oak, Glandbearing, 22: 82 Order of bloom, 10 : 41-56 -, Golden English, 22 : 86 - - - of Azaleas, 1_3 : 29 -, Holly, 22: 82 - - - - Spiraeas, 21 : 522 -, Holm, _22: 82 Oriental Cherries,_4: 22; 10: 17-24; -, Interior Live, 22: 86 14: 10; 15: 14 -, Laurel, 22: 82 - Witch-, 14: 10 -, Lebanon, 22: 82 Ornamental Fruits, 20: 522 -, Live, 22: 86 - Madworts (Alyssum) and The Cor- Plate XXVIII, rect Name of the Goldentuft -, Oriental, 22- : 83, Alys- 86 sum, 2_6: 33-48 -, Pin, 15: 79, 84 - town 17 : 22,22:- Planting, dump, Reading, -, Red, 2_2: 80 Mass., 25: Plate X, 47 -, Sawtooth, 22 : 78 -, plants, fruiting habits, 10: 81-85 -, Scarlet, _22: 80 - trees, suggested for various pur- -, Shingle, 17: 22; 22: 82 poses, List of, _7: 24 -, Shumard, 22 : 86 Ornithogalum arabicum, 1_5: 83 -, Southern Red, 22: 80 - lacteum, 1_5: 83 -, Spanish, _22: 80 - officinale, 22 : 54 -, Swamp White, _22: 78 - thyrsoides, 15: 83 -, , 22: 80 - umbellatum, 26 : 75 -, Water, 22: 84 Osage-orange, 17: 21 -, White, 22: Plate XXVII, 78, 81 Osmanthus, _25: 233 -, Willow, 22: 84 X Osmarea, 25: 23 Oaks, The, 22: 77-87 Ostrya virginiana, 23 : Plate XVI, 129 Oberea tripunctata, 19: 56 Ostwald’s Colour System, 7 : 45 Oberly Memorial Prize, 1: 40 Ottawa Experiment Station, 8 : 29 Oberthiir et Our 27: Dauthenay, Repertoire Disappearing Opportunities, " de Couleurs, 7 : 45 60 Oenothera deltoides, 15: 79 Oxydendrum arboreum, 12: Plate - perennis, 18 : 20 V, 13, 14; 14: 54 Okra, 15: Plate XIV, 75, 77 Oxyria digyna, _4: Plate III, 311 Olea, _25: 22 Oystershell scale, 19: 2, 7, 8, 9 - dioica, 19: 73 - europaea, 19: 72 Pachistima canbyi, 1_3: Plate V, 15, Olive Family in Cultivation, The, 16; 1_4: 24, 17 : 73 25 : 13-27 Pachistima myrsinites, 17: 73 One Hundred "Best" Lilacs, 2 : 33- - pests, 19: 5, 8 355 Pachsandra pests, 19: 5, 8 Oosting, Henry J., _2: 25 - procumbens, 28: 6 ODen House at Case Estates, 15 : 23; - terminalis, 16; 24; 73, 13:- -14: -17: 16: 15, 17 : 36; 22: 8 74;28: 6 - - - Arnold 64; materials 52 Arboretum, 14: Packing prohibited, 13- : 15 : 84; 16: 28, 60, 72; 17: Paeonia, see also Peony 36; 18: 56; 22: 8 - albiflora, 6: 8 Orange, Otaheite, 15 : 81 - delaveyi, 6: 7 ; 29: 25 Grass, 22 : 50 -lutea,6: 7; 29: 25 Orchidaceae, International Registra- - - ludlowii, _29: 255 tion Authority, 23: 8 - moutan, 2: 4

SSq Paeonia suffruticosa, 2: 1, 4; 6: 5, 6; Pastinaca sativa, 22:555 Plate V, 25, 27 Patented plants and their names, -29 - :’Imachowkow’, 29: Plate VI, 29 _21: 7 - - ’Kamata Fuji’, 29 : Plate VI, 29 Pauley, Scott S., Forest-Tree Breed- Palm, Island date, 79 Work of the Cabot Foundation, Canary _15:- ing - drift, 15 : 79 10 : 1-8 -, ernbryo, 15 : 79 Paulownia tomentosa, 26: Plate V, 8 -, emerald leaves, _15: 66 Pavetta bowkeri, 19: 76 - flowers, 15 : 79 Pea-tree, Russian, 17: 20 Palmer, Ernest J., 5: 76 -, Siberian 17: 20 - - -, Food Plants in the Arnold Peach, 2: 4 Arboretum, _4: 1-7 - tree borer, control of, _16: 8 Parathion, 13 : 84 Peaches, dwarfing understock, 10: 76 Paris Museum, 2: 16 Pearlbush, 6 : 10; _8: 22 Park Arboretum, The, 5: 25-48 "Pearlon," 11: 50 - - -, cost, 5 : 37 Pecan,_1: 5 5 ; _2: 111 - - -, definition, 5 : 26 - and Horticultural varieties, 311 12- : - - -, educational costs, 5: 42 Peony, see also Paeonia - - -, equipment, 5: 39 -, ’Alice Harding’, 6: 7 - - -, examples, 5: 42 -, ‘Argosy’, 6: 7 - - -, functions, 5 : 27 -, ‘Banquet’, _6: 7 - - -, how to plant, 5 : 3 3 -, ’Black Pirate’, 6: 7 - - and 40 -, color of, 6 : 6 -, labeling mapping, 5- : range - - -, labor, 5 : 38 -, fertilization of, 6 : 7 - - -, map, 5: Plate X, 45 -, ‘Festival’, _6: 7 - - -, methods of establishing, 5 : -, ‘Flambeau’, 6: 7 28 -, hardiness of, 6: 7 - - -, number of 5: 36 6. 6 plants, - -, history of, - - -, planting, 5 : 38 -, hybrids, 6: 7 - - -, propagation, _5: 39 -, ‘La Lorraine’, 6: 7 - - -, selection of the site, _5 : 311 -, method of purchasing, 6: 6, 7 - - -, space, amount required, 5 : -, Moutan, 6 : 7 36 -, planting of, 6: 6 - - -, ways of initiating interest -, propagation of, 6 : 6 and action, 5 : 32 -, ’Roman Gold’, 6 : 7 - - -, what to plant, 5: 34 -, ‘Silver Sails’, 6: 7 - - -, who is to plan, 5 : 311 -, Society, American, 6: 8 Park, Thomas, 19: 57 -, ‘Souvenir de 7 Maxine Cornu’, _6:- Parker, D. E., 7 : 211 -, ‘Surprise’, 6: 7 Parkman, Francis, 9 : 19 -, Tree, 2: 4; _6: 5-8 Parrotia persica, 9: 4; 12: 13; 14: 54; Pepper berries, 15 : 75 19:70;23:123 -, cherry, 15 : 81 Parsnip, 22: 555 -, Christmas, 15 : 81 Parthenocissus quinquefolia, 14: 24 -, cone, 15: 81 Past Year at the Arnold Arboretum, Pepper-grass, 15 : 75 7 : 1-8 Pepper-tree, 15: Plate XIII, 73, 75 Paste the Poison Ivy, 16 : 5-8 Periwinkle, 17 : 76

56 Permit for introduction, 13: ’Glacier’, Plate plant Philadelphus 25- : 52 VIII, 35, 36 Persian 54; 12 - 56 Walnut, 1 : 52, _2:- grandiflorus, 8: Persimmons, 2: 12 - incanus, 25:311 -, American, 12 - ’Innocence’, 25: 36 -, Oriental, _2:2 12 - inodorus, _8: 56, 58; _25: 32 Pests frequently destructive in the -, International Registration Au- Arnold 13: 78, 79; 19: 23: 87 Arboretum, - - thority, 7-9 - laxus, 25: 32 -, serious, _1: 39, 40 - lemoinei ’Avalanche’, _l l : 11I -, vegetable, 3 : 3 - - ’Belle Etoile’,_9: Plate I, 3 Peters Hill, 9 : 37-43 - - erectus, 17: 21, 27 - -, proposed review of, 6 : 46 - ‘Marjorie’, 23: 118 - -, general plan of, 9 : 40, 411 - ‘Miniature Snowflake’, _27: 64 Phalaris arundinacea 14: 24 - ‘Minnesota Snowflake’, 36 picta, _25:- Phellodendron amurense, 12 : Plate - ’Mont Blanc’, 25: 36 54; 45; 23: 123; -’Norma’,25: 36 II, 7, 15; 14: 16: - _25: Plate IX, 43 - ‘Perle Blanche’, 25: 36 - species, fruiting, 10: 83 - purpurascens, 25: 322 Phenological groups and winter - schrenkii jackii, 25: 32 hardiness, species from Soviet - X splendens, 8: 58; 9: 4; 1_l: 11; Middle Asia, 27 : 5, 6 16 : Plate XII, 43, 46;2_5: 32 - -, distribution of species from -’Virginal’, 25: 36 in, 11: Plate XI, 39; 46 Japanese-Chinese Subregion - virginalis, 16:- 27: 3-5 Philodendron spp., 26: 75 Philadelphus, 1_5: 10 Phillyrea, _25 : 23 - ’Albatre’, 25 : Plate VII, 32, 333 Phlox subulata ’Emerald Cushion’, - ‘Argentine’, 16: 46; 25: 32 14: 24 4 Phoenix canariensis 79; 67 - ’Atlas’, 9: 15 : 19:- - ‘Audrey’, 23: 118 - dactylifera, 15 : 74, 79 - ’Aureus’, 25: 32 Phoradendron flavescens, 15: 71; - ’Avalanche’, 25 : Plate VII, 32, 333 69; 26 : Plate XXI, 69, 75 - ‘Banniere’, 25 : 34 -19 :var. macrophyllum, 19: 63 - ‘Belle Etoile’, 9: 4; 25: 34 Photinia arbutifolia, 19: 63, 64 - ‘Boule d’Argent’, 25: 34 Photographs of Bonzai Available on - Blanc’, Plate XII, Loan, An Exhibition of, 28 ’Bouquet _16: _25:- 43, 46; 25: Plate VIII, 34, 35 Phyllostachys, 6: 30, 32 - ’Burford’, 25: 34 - aurea, 6 : Plate III, V, 33, 37, 42 -’Cole’s Glorious’, 25 : 34 - aureosulcata, _6: Plate VI, 39, 41 - ‘Conquete’, 25 : 34 - bambusoides, 6: 38 - coronarius, 17 : 21, 26; 25 : 311 - - castiloni, 6: 42 - - aureus, 18 bamboos of the 6: 14: -, hardy genus, - - - pumilus, 17 : 29 40 - ‘Erectus’, 2_S : 34 - nigra forma henonis, 6: 40 - ‘Fleur de Neige’, 25: 34 - - - muchisasa, _6: 41 -’Frosty Morn’, 20: 12; _25: 34 - sulphurea, 6: 42 - ’Girandole’, 25 : 36 - viridi-glaucescens, 6 : 40

s~ intermedius Picea ’Little 6 Physocarpus parvifolius, glauca Globe’, _29:- 17 : 21, 27 - glehni, 3: 63; 9: 42 - opulifolius, 17 : 18, 21, 27 - heterolepis, 8: 6 - - luteus, 1_4: 18 - jezoensis, 3: 62 4: 4; 26: Plate - 64 Phytolacca americana, - - koyamai, 3: 5 - 63; 62 XX, 67, 68, 75 mariana, 3 : 60, 62; 15 : 1_9:- Picconia, 25 : 24 - - doumetii, 3 : 60 Picea, 3 : 58; 18: 2 - obovata, 3: Fig. 7, 64 Picea Abies, 3: Fig. 4 (b), 37, 60, 61, - omorika,~: Fig. 6, 62; 12: 15; 14: 64; 16: 72; 24, 26; Plate 54; 17 : 19- : _17: 24, 26 XI, 65, 68 - - ‘Nana’, 28: 23 - - argenteo-spica, 14 : 18 - orientalis, 63; 17 : 24, 26 - - ’Barryi’, 28: 22 - - aurea, _33: 64 - - ‘Bennett’s Miniature’, 27: Plate - - aureo-spicata, 1_4: 18 XX, 63, 64 - - ’Nana’, 28: 23 - - ’Compacta’,28: 22 - pests, 19: 2, 5, 8 - - ’Conica’, _28: 22 - polita, 3 : Fig. 4 (a), 60, 64 - - ‘Crippsii’, 28: 22 - pungens, _3: Fig. 3, 60, 61; 5_: - - ’Gregoryana’, 28: 22 Plate XIII, 69 - - ’Highlandia’, 28: 22 - - argentea, 3: 60 - - ’Maxwellii’, witches’-brooms, - - bakeri, _3 : 62 27 : 46 - - glauca, _3 : 60; 17 : 24, 26 - - 28 : 22 - - ’Glauca Procumbens’, 233 ’Mucronata’, 28- : - - ’Ohlendorffii’, 28: 22 - - ‘Globosa’, 28: 23 - - ’Pumila’, 28: 22 - - ‘Hunnewelliana’, 2_8: 23 - - ‘Pygmaea’, 28: 22 - - kosteriana, 3 : 62 - - ’Pyramidalis Gracilis’, 28 : 22 - - moerheimii, 3: 60

- - -- ’Remontii’, 28: 23 ’Pendens’, 28: 23 - - ’Repens’, 28: Plate VIII, 21, 233 - - vars., 14: 18 - - ‘Sherwood Gem’, 28: 233 - purpurea, _3 : 62; _7: 3 3 ; 16: 24 - - ’Tabulaeformis’, witches’- - rubens, 3 : 64;_9: 42; 15: 75 27 : 46 - - 48 brooms, witches’-brooms, _27:- - - vars., _3 : 64 - schrenkiana, 3: 63 - - 27 : 46 69 witches’-brooms, 44, - sitchensis, 3 : 62, 63; 19- : - 3 : 61; 12 : 15 ; 5 4 633 asperata, - -14: - smithiana, _3 : - bicolor, _3: 633 - tonaiensis, 16: 24 - - reflexa,_7: 36 - wilsonii, _3: 61 - breweriana, 62, 63 11: 11; 17: 74; 21: 3: Pieris floribunda, - - - - engelmanni, 3: Fig. 5, 61, 62 48 - glauca, 3 : Fig. 6, Fig. 7, 61-64; - - ’Elongata’, 21: 48 14: 54; 63; Plate 5; - - ’Flame of the 50 15:- -1_8: 1,2, Forest’, 21: 19: 63 - - ’Forest Flame’, 21 : 50 - - albertiana, 3 : 63 - - ’Grandiflora’, 21: 48 - - ‘Conica’, _3 : 60; 18: Plate I, 5 ; - - ‘Millstream’, _26: 16 28 : 23 - formosa, 21: 48 - - witches’-brooms, 27: 48 - - ‘Chandleri’, 21: 48 - - - densata, 3 : 63 --’Jermyns’,21: 48

58 Pieris formosa 70; 16: 46; 48, Lace-bark, - ’Wakehurst’, 21 : Pine, _l- l: 18: 49 Plate XV, 611 -, International Registration Au- -, Long-leaf, 15: 71, 83; 1_9: 66 thority, 23 : 87 - needle scale,_l9: 2, 8 7: 26; 11: 11; 17: 74; 17: 24, 29 - japonica, - -- - -, Mugho, _21: 49 -, Pitch, 15 : 75 ‘Albo Marginata’, 21: 49 - -, witches’-broom, 27 : Plate XI, - - ‘Bonsai’, 21: 49 34, 36 - - ’Chandleri’, 21: 49 - - -, seedlings, _27: 42, 46 21 : 49; 23: 911 63; 711 - - ’Compact’, - -, Red, 15: - -, witches’-broom, Plate - - ‘Crispa’, 21: 49 27" : XI, 49; 34, 36 - - ’Dorothy Wyckoff’, _21:---- _23: 91 - - -, 27: 48 propagation, - - -- ‘Elegantissima’, _21: 49 - roses, 15 : 79 49; 911 -, 15: 71; 17: 24; 60, - - ’Flamingo’, _21: 23 : Scotch, - - -19: - - grandiflora ’Purity’, 27 : 64 72 49 -, of Plate - - ‘Minima’, 21: -, method growth, 27:" - - ’Nana Compacta’, _21 : 50 X, 34, 35 - - ‘Pink Bud’, _21: 50 -, Sugar, 15: 83 - - ‘Pygmaea’, 21: 50 -, -, cones, 15 : 76 - - ‘Rosea’, 21: 50 -, Virginia, witches’-broom seed- - - rosea ‘Daisen’, 27: 65 lings, 27 : Plate XVIII, 46, 47 - - rubra ‘Christmas 65 -, 15: Plate XI, 63, 65, 71, Cheer’, -27: White, - - ‘Variegata’, _21: 50 76; 17: 24 - - ‘Variegata Nana’, 21: 50 -, -, cones, 27 : Plate XV, 38-41 - - ‘White Cascade’, _21: 50; 23: 91 -, -, witches’-broom, 27: Plate IX, - - ‘White Rim’, 21: 50 Plate XII, Plate XIII, Plate XIV, - - ‘Whitecaps’, 21: 50;23:911 Plate XV, 30, 33, 37-46 - - X 50 - - -, 27 : Plate XIX, formosa ’Wakehurst’, _21:-- propagation, - - pests, 19 : 4, 8 46,48,49 -, Registration Lists of Cultivar - - -, seedlings, 27 : Plate XVI, Names, _21: 47-50 Plate XVII, 38, 42, 44-46 1: 54 Pines, 49-56; 11: Pignut, Simple Key to, 3 : - Pike, Radcliffe, 23 : 101 63-70 Pileostegia, 24: 17, 53 Pinetum, 12: 73 -, key to the species of, 24: 34 Pinus, 3: 50 - tomentella, 24: 34 - albicaulis, 3: 51; 11: 64 - 34 - 50; 11: 64; Plate viburnoides, 24: aristata, 3 2_0:- Pin Oak, _23: Plate II, 4 III, 12, 13; 28: 24 Pinanona, _4: Plate IV, 333 - attenuata, 3: 52; _ll: 66 Pine, 16: 61, 63 - australis, 15 : 71, 83 ; 19 : 66 -, Australian, 15: 72 - ayacahuite, 3 : 522 - bark aphid, 19 : 4, 8 - banksiana, 55 ; 11: 68 - Creek, Natural Prairie in Valley - - witches’-broom seedlings, 27 : of, 4: Plate VII, 69 Plate XVIII, 42, 46, 47 -, Jack, witches’-broom seedlings, - brutia, 19: 72 27: Plate XVIII, 42, 46, 47

59 Pinus bungeana, 3: 52;_7: Plate XI, Pinus pinaster, 3 : 56; _l l: 68; 19: 74 66; _l l: Plate XV, 66, 67, 70; 14: - pinea, 19: 72; 26: Plate III, 6 Plate 54; 16: 46; 18: XV, 61; 23: - ponderosa, 3 : 52 ; 11: 66; 19:- 62; Plate XI, 123, 124 23 : Plate XVII, 130

- - - canariensis, 3 : 54; 11: 66; 19: 77 scopulorum, 3: 54; 11: 68 - caribaea, 3: 54; 1_l: 68; 19: 68 - pumila, 3 : 51; 11: 64; 28: 24 - cembra, 3: 51; _l l: 64 - pungens, 3: 55; 11: 68 - - sibirica, 3: 511 - radiata, 3 : 52; _l l: 66; 19 : 76 - cembroides, 3: 54; 11: 68 - resinosa, _3: 55; _l l: 68; 14: 54; - - 11: 66 parryana, 3 : 52; - 15 : 63, 74 - clausa, 19: 66 - - witches’-broom, 27 : Plate XI, coulteri, 3: 52, 54; 11: 66 34, 36 55, 42; 11: - - -, 27 : 48 - densiflora, -3: 56; _9: - propagation, 68 - rigida, _3: 52; 11: 66; 15: 75; 21: - - 54; 68 67 oculus-draconis, 3 : 11:-

- - - - 24 witches’-broom, Plate XI, ’Pendula’, 28: 27- : --umbraculifera, 3: 55; 1_l: 68 34, 36 68; 66 - - -, 27 : 42, 46 - echinata, 3 : 54, 56; _l- l: -_19: seedlings, - elliotii, _19: 66 - sabiniana, _3: 54; _l l : 66 Plate XIV, 72; 15: 71, 79 - flexilis, _3: 51; _5- : - spp. 11 : 64 - strobus,_3: 54; 10: 1; 11: 64; 14: - griffithii,_7: 10; 1_l: 64 54; 15: 63, 71, 76; 17: 24,26 - halepensis, 19: 72, 74 - - ’Bennett’s Contorted’, 27: 65 - jeffreyi, 11: Plate X, 3 3, 66 ; 14: - -, cones, 27 : Plate XV, 41 Plate II, 5 - - fastigiata, _3 : 51; _11: 64 - koraiensis, 3 : 51; 11: 64 - - nana, 3 : 51; 11: 64 - lambertiana, 51; 11: 64; 15 : - - ‘Pendula’, 24 3:- - - 28: 76,83 - - ‘Pumila’, 28: 24

- - - longifolia, 19: 74 witches’-brooms, _27 : Plate IX, - monticola,_3: 51, 52; _l l: 64 Plate XII, Plate XIII, Plate XIV, - mugo, 3 : 55 ; 11 : 68 Plate XV, 30, 37-46 - - compacta, 3 : 5 5 ; 11: 68 - - -, propagation, 27 : Plate XIX, 17: 24, 46,48,49 - - mughus, 26- - - mugo, 28 : 24 - - -, seedlings, 27 : Plate XVI, - - pumilio, 3 : 55; 11: 68; 28: 24 Plate XVII, 38, 42, 44-46 - nigra, 17 : 29 sylvestris, 3: 55; 11: 68; 14: 54; 2014 2014 11: 68 15: 71; austriaca, 3 : 55; 17- : 24, 26; 19: 60; _23: - - 46; 1233 ’Hornibrookiana’, --27: 28: 24 - - aurea, 3: 55

- - - - Poiretiana, 3: 55 ’Beauvronensis’, 27: 46 - 54; 66 - -, method of Plate X, palustris, 3 : 11: growth, 27-- : - 51; 11: 64; 2; 34, 355 parviflora, 3: - -14: 24: Plate XI, 103 - - rigensis, 3: 5 5 - - 3: 11: 64 - - watereri, 3 : 5 5 glauca, 51; - 54-56; 10; - patula, _19: 74 tabulaeformis, 1_1:- 8- : - pests, 19: 2, 4, 6, 8 11: 68 - peuce, 3 : 51; 11: 64- - taeda, 3: 52; 11: 66; 19: 66

60 Pinus thunbergii, 3 : 55, 56; 9: 42; Plants, New and Rare, Distributed by _ll: 68; 12: 17; 1_4: 54; 2_l: 67 the Arnold Arboretum, 16 : 3 3-511

- - torreyana, 3: 52; _ll: 64 of Possible Merit?, 20: 9-16 - virginiana, 3 : 5 5 ; 11: 68 - partially injured, 17 : 39-41 - - witches’-broom seedlings, 27: - Sent to Cooperating Nurserymen Plate XVIII, 46, 47 with Notes Accompanying Them, Pinxter flower, 6 : 111 _8: 46-64 Pistacia lentiscus, 19: 72 -, Some Comparatively New- Pittosporum tobira ’Wheeler’, 29 : 6 Worthy of Trial, 29 : 9-16 Tree, London, 7: 9; 17: 211 - used in Williamsburg, Va., prior to Plant Breeding at the Arnold Arbo- 1750,11: 76-78 retum, 7: 9-12; 15 : 5-12 - with colorful twigs in early spring, - collecting in the southeastern _27: 15, 16 United States, 19: 45, 46 - with green twigs, 18: 60 - control 10 : 33- - - red or red 18 : 60 development, of, " twigs bark, 58, 37 -, Woody, with Interesting Bark in - distribution,_8: 45-64 Winter, 18 : 57-64 - hardiness zone 53-56 Plastic films, of, 50, maps, 27 : properties _l-- l: - life of the Pacific world, 5: 64 511 - materials, sources of, 16 : 18 - labels, 24 : 10 - -, woody, Christmas decorations, - propagating units, 13 : 66 16 : 61-72 Platanus acerifolia, 17: 21, 277

- - new methods 13: 9; 1; 66 of, - propagation, - occidentalis, 7 : 10 : 19 : 61-67 - orientalis,_7: 9; _10: 1 - quarantine laws, 13: 511 - pests, 19 : 3, 9 23: 85-92; 26: 13-16; 2 3 : 12 3 registration, - - - species, 29 : 1-8 Pleioblastus, 6: 32 Plate 25 Pleurotus ostreatus, 2 Planting , 16: VIII, _4:- Planting list, 1956, 16: 17, 18 Pliofilm, 11: 49 - vegetables, 3 : 1-7 Plum, Beach, 9: Plate IX, Plate X, Plants, Animals and Man in the Out- 53-64 ; 16 : 46 er Leeward Island, West Indies, -, -, ‘Arrowhead’,_9: 58 (Book Review) 26 : 46 -, -, ‘Eastham’,_9: 57 Plants, artificial, 15 : 83 -, -, ‘Hancock’, 9: 56, 67 - damaged by snow or low tempera- -, -, ‘Premier’,_9: 57 ture, 13: 39 -, -, ‘Putnam’,_9: 58 - distributed by the Arnold Arbo- -, 58 retum,_8: 9-12; 16: 33-511 -, -, ‘Raribank’,_9:‘Safford’, 9 57 - for Screening Junkyards, Gravel -, -, ‘Snow’,_9: 58 Pits and 25: 45-48 -, -, ’Wheeler Selection No. 6.’, 9: Dumps, - - frequently plagued with pests in 57 the Arnold Arboretum, 80 62 13- : -, Myrobalan, 9: - from 1: 44 , understock, 10: 75, England, dwarfing -- - from seed, 14: 25-28 76 - in the meadow, 18 : 22, 24 Poa compressa, 22: 50

- - killed to the ground, 17: 38, 39 pratense, 22 : 50

61 Podocarpus, 15: Plate XII, 68, 69 Poplar, hybrid, 10: Plate 1, 3 - macrophylla maki, 15 : 68 Poplars, Alaskan, Montanan and Podophyllum peltatum, 26: 68, 75 hybrid, 10 : Plate II, 4 Poinsettia, 15 : 61, 81 alba pyramidalis, 17: 22, 29 Poison Centers, 26: 65, 66 - canescens, 26: Plate III, 6 Poison Ivy, 16: 5, 6 - deltoides, _19: 66 - -, vine on Red trees, -, International Au- Maple 16:- Registration Plate II, 7 thority, 23: 87 Poisonous foliage, plants in gardens - maximowiczii,_8: 58; 10: 1 or with, 26 : 72-755 - nigra italica, 17 : 29 - fruits, plants in gardens or woods - pests, 19: 2, 3 with, 66-72 - tremula X tremuloides, Plate _26: 26:- - Plants, a Few, 26: 65-75 III, 6 - roots and stems, plants of garden - tremuloides, _2 3 : 123 or wood with, 26 : 75 - tristis,_7: 34 Pokeweed, fruiting top, 4: Plate I, 3 Porana paniculata, 19: 68 Polyethylene, 11: 50 Portulaca oleracea, 4: 4 - as a mulch, black, _24: 13-16 Post cards available at Arnold Arbo- -, black, 24: Plate II, 14 retum, 14: Plate III, 10, 11; 18: 40 - film, another method of in Horticulture on, using Postage Stamps, 18:- propagation of cuttings, 13 : 66 29-38 - - in air 67 Potassium permanganate, 13: 511 layering, 13: - - - - 13 : Plate Potato plant propagation, - blight, 3 : 7 XIII, 65 - bugs, 3 : 7 - -, three uses in plant propagation, Potentilla fruticosa,_7: 33; 1_l: 12 13: Plate XII, 63 - -, growing in the Arnold Arbo- - plastic, 17: 47, 48 retum, 15: Plate VII, 45-52 - - bags, 14: 26 - -, best of the varieties for land- - - case, 1_4: Plate XIII, 611 scape planting, 15 : 49 - - -, with, 25-28 - - albicans, 46 propagation 14:- 15 : - - film, 13 : 62 - - beani, _l5 : 46

- - - -, its application to the propaga- beesi, _15 : 46 tion of hardwood 14: - - 15 : 46 cuttings, " dahurica, 57-63 - - farreri, _15 : 48 Polygamodioecious flowers, 14: 68 - - friedrichseni, _15 : 48 Polygonum arifolium, 18 : 18 - - ‘Gold Drop’, _l5: 49 -- auberti, 12: 59; 13: Plate III, 9, 10 - - grandiflora, 15 : 48 - reynoutria, 14: 24 - - ’Katherine Dykes’, 15: 49 Polystichum acrostochoides, 19: 66 - - mandshurica, _15 : 48 nuttallii, 15: 80 - - micrandra, 15 : 48 Polytaenia - Polythene, 11: 50 - - ‘Moonlight~l5 : 49 - bags, _13: 511 - - nana argentea, 15 : 46 -, properties of, 11: 50, 511 - - ochroleuca, 15 : 48 Poncirus trifoliata, the hardy orange, - - parvifolia, 15 : 48 flowers and fruits of, 1: Plate II, - - pumila, 15-: 48 - 355 - - purdomi, 15 : 48; 17: 22, 29 Poplar, Bolleana, 17: 22 - - pyrenaica, 15: 48

62 mvama..~ 1-~.7

Potentilla fruticosa 49 rigida, 1_5:- Propagation, rooting woody cuttings, - - tenuiloba, 15 : 49 1_0: 33-38 - -, varieties in the Arnold Arbo- - of Plants 3 3- Woody by Seed, _20:- retum, 28 : Plate XXXVIII; Plate 40 XXXIX, 125-1311 Propagator, Assistant, 6: 2 - - veitchi, _15: 49 Prosopis pubescens, 15 : 75 - - vilmoriniana, _15: 49 Pruning, 4: 9; 14: 47 - tridentata, _17: 74 - after snow damage, 26: 4, 611 Powdery mildew, 19: 5, 9 - exhibit, 15: Plate I, 2 Plate XIII, 73, -, - of, at Boston Flower Prairie-parsley, _15:- Spring 80 Show, 195 3, _13: 21 Pride, George H., appointed Asso- -, girdling root, 23: 109 ciate Horticulturist, 27 : 711 -, hedges, screens and windbreaks, Preston, Miss Isabella, 8: 29 23 : 109,110 Desert, Plate XIII, 73, 11; 23: 109, 110 Primrose, 15" : -, methods of, _4: 79 -, - -, Blackberries, 4 : 12 -, Evening, 18: 20 -, - -, Blueberries, 4: 12 Prinsepia, Cherry, 17: 22 -, - -, fruit trees, 4: 111 - sinensis, 2: 44;~: 58;~: 4; 17: -, - -, Grapes, 4_: 111 Plate VIII, 22, 26, Plate 4: 133 31; -29: -, - -, hedges, XXXVIII, 141 -, - -, lawns, _4: 14 - uniflora, 9: 4 -, - -, Raspberries, 4:12 Privet, 16: 44 -, - -, vines in general, 4_: 12 -, Amur, _17: 211 - Ornamental Shrubs and Trees, _13: -, California, 17 : 21 21-24; _23: 107-110 -, Chinese, 17 : 21 -, reasons for, 4: 9 -, dense, low, 17 : 21 -, rejuvenate old shrubs, 23: 109, -, European, 17: 21 110 -, Ibolium, 17: 21 Rhododendrons, 8: 37-44 17-: 21 - -, 40, 42 -, Ibota, experiments in, 8- : -, Regel, 17: 21 -, time for, 4: 10 -, Vicary, golden, 17 : 211 -, what to prune, 13 : 21; 23 : 108 Procedure in shipping seeds, 13: 52 -, when to prune, 13: 21; 23 : 107 Propagating bench, polyethylene- Prunus americana, 4: 6 ; 9 : 42 covered, 2_0: Plate II, 5 - angustifolia, 9 : 62 - some rarer from seed, - 6 plants 14:- apetala, 15: 25-28 - avium, _l: 28; 10: 18 - units, plastic, 13 : 66 - - plena, 12: 17; 14 : 54 Propagation and Care of Lilacs, 19: - blireiana moseri, 14 : 18 36-45 - cerasifera 18 atropurpurea, _14:- -, bibliography, 10: 76 - - nigra, 14: 18 -, dwarfing understocks, 10: 73-77 - cistena, 14: 18 -, lilac rootstocks, 1_Q: 57-60 - davidiana,_9: 4 - of Albizia julibrissin, 28 : 36-40 - glandulosa, 10: 76 - - Liquidambar styraciflua, 21: 66 - "Hally Jolivette,"_8: Plate XV, 51, - - Prunus tomentosa, 24 : 86, 87 58; 15: 6 - - of Rhododendrons, 9: 45-52 - hortulana,_4: 6;_9: 62 - ilicifolia. 19: 63

~z Prunus 42; 18, 211 Prunus serrulata ’Taki-nioi’, 22 incisa, 9 : 10: 10:- - japonica, 2: 8; 16: 24 - - ’Ukon’, 10: 22

- - - - nakai, 17: 30 vars., 14 : 54 - lantana, _4: 6 - - ’Washino-o’, 10: 24 - laurocerasus, 19: 64, 69 - sieboldii, 10: 24 - - 74; 21: 44 1233 schipkaensis, 17 : - - species, 2 3 :

- - lusitanica, _19: 69 spinosa purpurea, 1_4: 18 19: 63 - 12; - lyoni, subhirtella, 7 : 10:- 18, 21, 22; - maackii, 29 : Plate II, 12-14 _14: 2; 15: 6 Plate IX, Plate - - autumnalis, 7: 25; 10: 21; 19: - maritima, _4: 6;_9: - - - X, 53-64 69, 70 - - ‘Arrowhead’, 9: 58 - - ’Hally Jolivette’, 10: 22 - -’Eastham’, 9: 57 - - ’Moni-jigari’, _10: 22 - - ’Hancock’, 9: 56, 57 - - pendula, 10 : 22 - - 46 14: 18 ’Premier’, 9: 57; 16:- - ‘Thundercloud’, -’Putnam’, 9: 58 tomentosa, 7 : 16; 9: 62; 10: 75, - - ‘Raribank’, 9: 58 76; 15 : 11; 17 : 30; 2_4: Plate VIII, - - ‘Safford’, 9: 57 81-86 - - ‘Snow’, 9: 58 - - ’Drilea’, 24: 85 - - ’Wheeler Selection No. 6.’,_9: 57 - - ’Geneva’, 24: 85 - maximowiczi, 10: 21 - - ‘Graebneriana’, 24: 84 - mume, 2 : 4 - - ’Insularis’, 24: 84 - munsoniana, 4 : 6 - - ’Leucocarpa’, 24: 84 - ’Newport’, 14: 18 - - ’Monroe’, 24: 85 - nigra, 7: 32; 9: 42 - - ’Nanking Cherry’, 24: 85 - nipponica, 10: 21 - - ’Orient’, 24: 85 - persica, 2 : 1, 4 - -, propagation of, 24: 86, 87 - pests, 19: 2-6, 8 - - ‘Spaethiana’, 24: 84 - ’Royal Red Leaf Peach’, 14: 18 - triflora koreana, 7 : 32 - 12 ; 7 : 25;_9: 42; 10: - yedoensis,_7: 12; 10: 18, 22 18,sargentii, 21; 14 6: 54 - - perpendens, 10 : 22 - - Plate IV, 45 Pseudolarix 18; ’Columnaris’, 21: amabilis, 12:-- 14: - ‘Schubert’, 14: 18 54; _16: 48 - serotina,_9: 42; 26: Plate VII, 10 Pseudosasa, 6: 32 - serrula, 10: Plate Plate II, 31, 36, 38 17, 19, 21 ; 23- : - japonica, 6: XI, 123, 124 Pseudotsuga, 3: 66 - serrulata,_9: 42; 10: 17, 18 - menziesii, _15: 63; _19: Plate X, 60, - - ’Amanogawa’, 10: 22; 12 : 17 61; _23: 92; 26: Plate V, 1, 8 - - ’Botan-zakura’, 10: 22 - - ‘Compacta’, 28: 24 - - ‘Fugenzo’, 12 : Plate IV, 12, 17 - - ’Graceful Grace’, 29 : 6, 7 - - ’Gyoiko’, 10: 22 --’Little Jon’, 29: 7 - - H. 24 54; 72; ’James Veitch’, 10:- taxifolia, 3: 66; 1_4:- 16- : - - ’Joi-nioi’, 10: 22 17 : 24, 26 - - ’Kofugen’, 10 : 24 - - glauca, _3 : 66 - - 24; 17 - 9 66 ’Kwanzan’, 1_0: 20, _12:- -, terminal bud, 3 : Fig. (b), - - ’Shirotae’, 10: 24 Psorospermum febrifugum, 19: 74 - - ’Shogetsu’, 10: 24 Ptelea trifoliata aurea, 14 : 18

64 Publications and postcards, 18: 40 Quercus liaotungensis, 22: 82 -, recent important,1.: 511 - libani, 22: 82 Pungapung, 4~: Plate V, 3 5 - macrocarpa, 22 : Plate XXIX, 85 Puratized Apple spray, 13: 84 - marilandica, 22 : Plate XXIX, 85, Pyracantha angustifolia, 19: 74 Plate XXX, 87 coccinea ’Kazan’, 16: 26, 48 - montana, 22: Plate XXIX, 85, - - lalandei, 16: 48 Plate XXX, 87 crenato-serrata, 19: 63 - myrsinaefolia, 25: Plate IX, 43 Pyrus japonica, n: 17 - nigra, 22 : 84, Plate XXX, 87 - maulei,_23.: 18 - palustris, 14: 54; _15: 79; _17: 22; - pests,!2.: 2, 3, 5,8 22: 84, Plate XXIX, 85, Plate XXX, - ussuriensis,_7j Plate VII, 33, 38 87 - pests, 19 : 2-6, 8, 9 Quimby, M. W., 2 : 37 - phellos, 22: 84 Quince, flowering, J_7: 20 - prinus, 22: 84 -, Japanese, 8: 22 - robur, 22: 84, Plate XXIX, 85, Quack grass,2: 69 Plate XXX, 87; 26: Plate VII, 10 Queen Anne’s Lace. 22 : 54, 55 - - ’Asplenifolia’, 22: 84 Quercus acutissima, 22 : Plate XXX, - - ‘Atropurpurea’, 22: 84 78,87 - - ’Concordia’, 14: 19; 22: 86

- - - agrifolia,_22_: Plate XXX, 78, 87 ‘Fastigiata’, 17: 22-27; 22: - alba, 14 : 54;.2.£: 78, Plate XXVII, Plate XXVI, 79, 84 81, Plate XXIX, 85, Plate XXX, 87 - - ’Pendula’, 22: 86

- - - arkansaiia,22: Plate XXIX, 85 variegata, 14: 19 - bicolor.~2: 78, Plate XXIX, 85, - shumardii, _22: 86 Plate XXX, 87 - suber, 19 : 72; 22 : Plate XXVIII, Plate Plate - borealis.M: 54;J!2: 80, XXX, 83, 86, 87; -23: 123, XXIX, 85, Plate XXX, 87 Plate XVII, 130 2014 caliprinos,_19: 72 variabilis, 22: Plate XXVIII, 83, - canariensis,.11: 80 Plate XXIX, 85, 86, Plate XXX, - cerris,_22: 80, Plate XXX, 87 87; 23: 12 3, Plate XIV, 127 - chrysolepis,_22: 80, Plate XXX, 87 - velutina, 22 : Plate XXIX, 85, 86, coccinea, 14: 54;_22_: 80, Plate Plate XXX, 87 XXIX, 85, Plate XXX, 87 - virginiana, 22 : 86, Plate XXX, 87 - dentata.~2: Plate XXIX, 85 wislizenii, 22: 86 2014 engleriana,~2: 80 - falcata.~2: 80, Plate XXX, 87 Rafinesque, C. S., 2 : 51, _3: 8 garryana, 22: Plate XXX, 87 Rainfall, 13: 37 - glandulifera,~2_: 81, Plate XXIX, Ranunculus acris, _18: 18, 22: 52 87 - bulbosus, 18 : 18, 22: 52 - ilex,~2j 81, Plate XXVII, 82, Plate - ficaria, 22: Plate XIX, 51, 5 3 XXX, 87 - repens, 22 : 52 - imbricaria,-.2.: 4; IT: 22-26; 22: - spp., 26: 73 82, Plate XXIX, 85, Plate XXX, 87 Rare Woody Plants, 1941 Sources of, -kellogii,_22: 82 1: 5-18 - laurifolia,~2: 82, Plate XXX, 87 - -, nurseries listing, 1 : 7, 22 - - -, supplementary list, 1: 21-28

~5 ’ Raspberry, wild, 18: 18 Rhododendron amoena, 13 : 32; 17: 7 Raup, H. M., 4: 28, 36 -, Amateur’s Observations on -, Expeditions to the Alaska Mili- Hardiness in the Pacific North- tary Highway, 1943-1944, 4: 65- west, 2 : 53-56 72 - ‘Anton’,_9: 311 Red-box, 15: 78 - arborescens, 3: 37-39; 11: 12; 13: Red-cedar, 15 : 63; _17: 24 Plate VII, 35; 26: Plate IX, 21 Redfield, J. H., 2 : 20 - - rubescens,_29: 14 Red - 17: 74 spider, 19 : 5, 8, 9 arbutifolium, - Redtop, 22 : 50 - ‘Arno’,_9: 32 Redwood, 15: 75 - atlanticum, 13 : 34 23: 111-118 - 35S Registered, new plants, ’Atrosanguineum’, -9: Registration, International Plant, - augustinii, 2: 5 3 23: 85-92 -’Aurore de Royghem’, 3: 38 - lists, Cornus,_21: 9-18 - ’Baroness Henry Schroeder’,_9: 30

- -, Fagus, 24: 1-8 - ‘Beaute Celeste’, 3: 38 - Forsythias, 21: 39-42 -’Bella’, 9: 32 - Gleditsia, 21: 31-34 - ‘Bicolor’,_9: 34 - -, Pieris,_21: 47-50 - ‘Boule de Neige’, 9: 30 - -, Ulmus, 24: 41-80 - ‘Britannia’,_2: 53 - of Cultivar Names, Concerning - calendulaceum,_3: 37, 38; 9: 45; the, 21: 1-8 11: 12;_13: 35 More seed Plate Registrations, Plant, 26- : 13-16; -, sowing of,_9: VIII, 27 : 61-66 opp. p. 47 Rehabilitation of 14: 41-55 trees, - 32 canadense, 1: 3, 4;_7: 36; _13:- Rehder, Alfred, 6: 233 - - albiflorum,_l: 3-4 - -, On the History of the Intro- - canadensis X japonicum, 12: 72 duction of Woody Plants into - ‘Candidissimum’,_9: 311 North America, 6 : 13-233 - ’Caractacus’, 9 : 333 Retinospora, Plume, 17: 24 - ‘Cardinal’, _3: 38 -, Thread, 17 : 24 -’Caroline Gable’, 20: 155 Revised Glossary of the More Com- - carolinianum, 8 : 38; 17 : Plate mon Botanical and Horticultural XVI, 71-74 Terms, 15: 25-44 - catawbiense,_7: 10; 8: 38, Plate Rhamnus alternus, _19: 72 XI, 39, Plate XIII, 43 ; 17: 74 - cathartica,_17: 22, 26 - - album, 9: 311 - frangula, 17 : 26 - caucasicum,_7: 36

- - asplenifolia, 20 : 14 - - coriaceum, 9 : 30 - - columnare, 20: 14 -’Charles Bagley’,_9: 355 - - ’Tallhedge’, 20: 14 - ’Charles Dickens’,_9: 3 5 ;_21: 44 - japonica, 16: 26 - chrysanthum,_7: 36 Rheum rhaponticum,_26: 733 - collection in flower at the base of Rhododendron ‘Adelbert’, 9: 33 Hemlock Hill in color, insert,_9: 32 - ‘Alarich’, 9: 3 3 - ’Comte de Flandre’,_3: 38 - ‘Albert’,_9: 311 - ‘Cornell Pink’, 20: 14 - albrechti, 9 : Plate VII, 44; 13: 30 - ‘Cunningham’s White’, 21: 46 - ’Album elegans’, 9: 31, 29: Plate - dahuricum, 5: 2; 7: 36-;_9: 45; VII, 35 12 : 46 - ‘Album grandiflorum’, 9: 311 66 Rhododendron mucronulatum, 5: 2 Rhododendron ’kosterianum’, - - sempervirens, 15 : 14 13 :355 - ‘Daisy’, 9: 3 3 - kurume (Azalea), 17 : 75 - ’Daisy Rand’, 9: 35 - ‘Lady Armstrong’, 9 : 32 -’Delicatissimum’, 9: 311 - laetevirens, 17: 75; 21: 46 - ‘Desiderius’,_9: 33 - ‘Lee’s Purple’, 9: 35 - ’Dr. H. C. 21: 46 -’Louise Hunnewell’, 12: 72 Dresselhuys’, - -’Duke of York’, 9 : 32 - ’Louise Gable’, 20 : 15

- - ’Echse’, 9: 34 luteum, 3: 37-40 - ‘Eva’, 9: 34 -’Mars’, 20: 14, 155 - ‘Everestianum’,_9: 34 - maximum 8: 38;_15: 68; 17 : 75 -’Fedora’, 27: Plate XVII, 59 - ’Melton’, 9: 355 - ‘Fee’,_9: 35 - ‘Minerva’, 3 : 38

- - ferrarae, 2: 6 minus_17: 75;_21: 46

- - ferrugineum, 7: 36 molle,_3: 37, 38, 40 - ‘Flamboyant’, 3: 38 - ’Mollis’ hybrids, 8: 24 - ’Mrs. C. S. 34 - flavum, 26 : Plate IX, 21 Sargent’, -9: - ‘Flushing’, 9: 32 - ’Mrs. Milner’,_9: 34 - fortunei hybrids, 17: 74 - mucronulatum,_3: 37, 40;_7: 26, - ’First Camille von Rohan’, 3 : 38 36;_ll: 14; _13: 30

- - 30; 15: 14; 17: gandavense, -3: 37-40; _11: 12; -13: mucronatum, 13: 34 75; 20: 14; 2 6: Plate X, 233 - ’General Grant’, 9 : 3 3 - myrtifolium, 17 : 75 - ’General Trauff’, 3 : 38 - ‘Norma’,_9: 3 5 ; 21: 46

- - ‘Ghent’, 8: 24 nudiflorum, 3 : 37;_6: 11;_8: 24; -’Gloria Mundi’,_3: 38 13: 35 ; 26 : Plate IX, 21 -’Golden Sunset’, 29: 14 - obtusum, 13: 32

- - - ’Hannah Felix’,_9: 34 amoenum,_8: 24; 13: 32; 17: 75 -’Hardiness Notes’, 2: 53-56 - - arnoldianum, 13: 32 - ’Henrietta Sargent’, 9: 32; _l l: 46 - - - hybrids, 26 : 28 - ’Heureuse Surprise’,_3: 38 - - ‘Hinodegiri’, 13 : 32 - hirsutum,_7: 36 - - japonicum, 3: 37, 38; 17: 755 - ’H. W. Sargent’, 9: 3 5 - - kaempferi, 3 : 37, 38, 40; 6 :

- Plate ’Ignatius Sargent’,_9: 333 VII, 47; 7: 9 ; 8 : 21, 22;_9:- - indicum, 2 : 6 11, 45; _l3: 32 -, injury, 1 : 33-36 - - - ‘Feodora’, 26: Plate XVII, 59 - - - 26: 28, 29 -, International Registration Au- hybrids, order of 29 thority, 23: 87 -, bloom, 13- : - ’James Bateman’, 9: 32 -’Pallas’, 3: 38 - ‘James MacIntosh’, 9: 355 - ’Parson Gofe’,_9: 34

- - japonicum,l3: 35;_26: Plate IX, 211 Path on Bussey Hill, 7 : Plate IV, - ’Josephine Klinger’, 3: 38 27 - - ’Julius Caesar’, 3: 38 pests, 19: 4-7, 9 - keiskei, 7: 26; 17: 74 - X P.J.M. Hybrid, 29: 14 - ‘Kettledrum’, 3 3 -, Pinkshell,_6: 9 ; 8 : 21, 22 9: of 6 -, Korean, 6: 111 - plan border, insert, 9 :

67 Rhododendron ponticum, 7 : 10 Rhododendron yedoense ’Yodogawa’ -, Poukhan, 8: 24 Azalea, _13 : Plate VIII, 333 - ’Pres. Lincoln’, 9 : 32 Rhododendrons, 2: 17-24, 28 ; 4 : - propagation, 9: 45-52 23; 14: 9, 10; _15: 68; 16: 62 - -, antibiotic substances, 9: 48, 50 - and Azaleas, 12: 78 - -, chart, 9 : Table I, 49 -, evergreen, living more than 10 - -, damping-off disease, 9: 46, 48 yrs. in the Arnold Arboretum, 29: - -, general culture, 9: 51 36-40 - -, seed collection, soil, sewing and -, Flower Colors of Hardy Hybrid, storage, 9 : 45, 50, 511 _9: 29-36 - -, treatment of soil,_9: 46, 48 -, Gable hybrids, 26: 29, 30 - ‘Pucelle’,_3: 38 -, Ghent Hybrids Hardy in New - ‘Purpureum Elegans’, 9: 35 England, 3 : 37-40 - ’Purpureum Elegans Grandiflo- --, rooting under plastic, 20: 1-7 rum’,_9: 3 5 ; _21: 46 -, growing, from seeds, 9 : 45-522 - racemosum, 17: 75 -, hardiest, 26: 17-32 -, rooted cuttings of, 14 : Plate XII, -, hardy at Wellesley, 12: 62 59 - - in the Arnold Arboretum, 26: -’Rosebud’, 20: 15 18-22 -roseum,_3: 37;_6: 11; 8: 21, 24; - - in the Hunnewell Arboretum, _13: 355 12 : 72 - ‘Roseum Elegans’, 9: 355 - - in the , An - ‘Roseum Superbum’, 21: 46 Amateur’s Observations on -, Royal, 6: 11 Hardiness from Sowing, 2: 53-56 Rustica flore 26: Hill 26: 1 -, pleno hybrids, - -, Knap hybrids, 30, 31 31, 32 -, Mollis hybrids, 26 : 311 - schlippenbachii, 3 : 37, 38, 40; 6: - pruned in two different ways, 8: 11;_9: 51; _l l: 14;13: 32 Plate XII, 41 - simsii, 2 : 6 -, pruning of, 8: 37-44 - smirnowi, 11: 14; 17: 7 5 ; 21: 46 -, Seventy-Five Years of Growing in the Arnold 3 3- - ‘Smoky Mountaineer’, 26 : Plate Arboretum, 29:- XI, 25 40 -, Snow, 17: 75 -, Vuyk hybrids, 26: 32 - spp., 2: 1, 6 -, winter damage to, 4: 17-20; 8: 9; - ’Sultana’, 9: 311 _12: 46 Plate 21- 32 -, Torch, 6 : 9, 11 ; 8- : VI, -, Yerkes-Pryor hybrids, 26 : 2 3 9: Plate II, 5 Rhodora canadensis, 1: 3; 13: 32 - vaseyi, 2: 24;_3: 9; 8: 21, -, White Flowering, 1: 3 22;_9: 51; _l l: 14;37;_6: _13 34;_26: Rhodotypos scandens, 16: 72 Plate XII, 27 Rhus aromatica, 13: 16; 14 : 24 13: 355 - 26 : Plate - viscosum, 3: 37, 38; , radicans, XXII, 70, 71, - waterei, 9: 31; 17 : 7 5 74 wellesleyanum, 17: 75 - vernix, 26: Plate XXII, 71, 72, 74 - winter injury, 4 : 17-20 Ribes alpinum, 17 : 22, 26 - - -, care of, 4 : 20 - diacanthum,_7: 34 - yedoense, 26: Plate X, 233 Ricinus communis, 26: Plate XXII, - - poukhanense, 6: 11; 8: 24; 13 : 70, 711 Ridgway, Color Standards and Color

68 Robeson, Andrew, 1 : 30 Rooting of Conifer Cuttings, 27: Robeson, Mary Allen, 1: 30, 311 85-90 Robinia, 21: 21, 22, 24 - results, preliminary experiments, - ambigua ’Bella-rosa’, 21: 24 hard-to root Asiatic Maples, 17: - fertilis, 21: 22 56 - hartwigii, 21: 22, 24 - -, softwood cuttings, from ma- 24 ture of Asiatic - hillieri, 16: 26; -21: plants Maples, - hispida, 21: 22 17 : 52, 533 - holdtii, 21: 24 - -, - -, young seedlings Asiatic - ’Idaho’, 21 : 24 Maples forced in green- - kelseyi, 16: 26; 21: Plate II, 24, house, 17 : 555 27 - woody cuttings, 10 : 39 - leucantha, 21: 24 Rootstocks for Lilacs, 10: Plate XIV, -- luxurians, 21 : 22 57-60 - margaretta, 21: 24 - - -, bibliography, 10 : 60 - neo-mexicana, 21: 22 Rorippa microphylla, 22 : 5 5 - 16: - 4: 22: pseudoacacia, 15 : 74; 26; 21: nasturtium-aquaticum, - 4; - 22, 24, 22: Plate XXIII, 71; 26: 555 Plate II, 5; 70 Rosa centifolia, 8: 20; _14: Plate VI, - - ’Annularis’, 21: 22 31 - - ’Bessoniana’, 21: 22 - gallica, 8: 20 - - ’Cylindrica’, 21: 22 -’Geranium’, 20: 155 - - ’Decaisneana’, 21: 22 - hugonis, 6: 10 - - ‘Dependens’, 21: 211 -, International Registration Au- - ’Erect’, 21: 21 thority, 23 : 87 - - ‘Inermis’, 21: 21 - ’Max Graf’, 14: 24 - - ‘Microphylla’, 21: 211 - moyesii, 20: 1S - - ’Rectissima’, 21: 22 - - ‘Geranium’, 16: 26 - - ’Semperflorens’, 21: 22 - multiflora, _l l : 14 - - ’Umbraculifera’, 21: 211 - pests, 19 : 5, 6, 9 - - ‘Unifolia’,_21: 21 - primula, 6: 10 - slavini, 16: 26; 21: 24 -’Red Wing’, 20: 155 viscosa, 21: 24 - rugosa, 17: 30; 29 : Plate XXXVIII, Rock, J. F., 7 : 333 141 Rocky Mountains in Summit Pass, - virginiana, 16: 6; 17: 22, 30 4: Plate VI, 69 - - alba, 16: 48 Rohrbach, Heinrich, European Mis- - wichuraiana, 13: 16; 14: 24 tletoe Rose of 14: 10 (Viscum album), The, 29- : Sharon, _1: 41 ; 69-72 - species, 14: 10 Root system, type of, obtained on -, Syrian, 1 : 41 under 17: 22 cuttings polyethylene plastic -, Virginia, , cover, 20 : Plate I, 3 Rosebay, 15 : 68 Rooting, effect of time of year, Rosemary, 22: 5 3 temperature, concentration of Roses, 4 : 24 IBA, _27: Plate XXV, 89 -, donation of old-fashioned types, - Ghent Azaleas Under Plastic, 20: 8 : 20 1-7 -, list of old-fashioned at Arnold Arboretum, 14: 29-32

69 Rotenone dust, 13: 50 Sargent, Mary Robeson, Fund, 1 : Royal Agricultural Society of India, 30, 31 _1: 44 Sargent Plaque, 7: Plate IX, 60 - Horticultural Society Colour - Weeping Hemlock, _23: 1011 Chart, 8 : 31; _12: 41-44; 17: 60 Sargentia, 2: 511 - - - of Great Britain, 7 : 44 Sargent’s Silva of North America, 7: Roystonia regia, 19: 67 52 Rubus idaeus, 18: 18 Sasa, 6: 30, 32 Rumex crispus, 4: 4 - argenteo-striata, 6 : 34 Run-away-Robin, 22: 52 - chrysantha, 6: Plate II, 32 Running-cedar, 15: 70 - palmata, 6: Plate VI; 34, 36, 39 Ruscus aculeatus, 15 : 78; 19: 72 - pumila, 6 : Plate II, III, 31-34 Russian-olive, 17: 21 - senanensis, 6: 36 Rye-grass, 22: 50 - tessellata, 6: Plate III, 33, 36 - variegata, 6 : Plate IV, 34, 35; 14: Sabal palmetto, 19: 67 24 Sage, 22: 53 3 - veitchii, 6: Plate V, 34, 37 St. Johnswort, California, 17 : 211 - - forma minor,_6: 36 Salal, 15 : 68 Sassafras albidum molle, 4 : 4 Salicaria, Spiked, 22: 49 - pests, 19: 6, 9 Salix alba chermesina, 7: 62; _l8: Saunders, A. P., 6 : 7 58 Sax, Karl, 1: 40; 7: 4, 12, 14; 19: - pentandra, 17: 22, 26 57; 21: 37

- - pests, 19 : 4, 9 -, The Bussey Institution, 7: 13- - purpurea, 17: 30 16 - - pendula, 16 : 18, 27 - -, Dwarf Trees, _10: 73-78 Salt - the Poison 16: 5-8 spray, plants uninjured by, 14:- -, Paste Ivy, 44,45 - -, Plant Breeding at the Arnold - water damage, 14: 41-46 Arboretum,_7: 9-12; _15: 5-12 - -, plants killed by, 14 : 46 - -, Rootstocks for Lilacs, 10: 57- Samaras, Maple, 16: 72 60 Sambucus canadensis, 4 : 6; 26: 74 Scaffolds, the use of, in tree breed- - - aurea, 14 : 19 ing, 10: Plate IV, 6 - - fructu-lutea, 16: 48 Schima wallichii, 17: 6 - - maxima,_8: 58 Schinus molle, 15: 75 San Jose scale, 19: 2, 7 - mollis, 19: 6-3, 64 Sandersonia aurantica, 19: 76 Schizophragma, _24: 17, 26 Saponaria ocymoides, 14: 24 - crassum, 24: 31 Saran cloth, 13: 67; 17: 48 - hydrangeoides, 24: Plate III, 18, Sargent, Charles Sprague, 1: 29-32; 20; Plate IV, 27-29 2: 30, 33, 35;_6: 9, 26, 45, 48, - integrifolium, 24: 30 49, 56, 60;_7: 1, 2, 30, 33, 39, -, key to the species of, 24: 28 52 Schlumbergera bridgesii, 15: 80 - - -, in the Arnold Arboretum Schmitt, Louis Victor, 5 : 3 ; _7: 2 Library, 1904, 1 : Plate I, 311 Schrebera, 25: 24 - - - Fund, _1: 31, 32 Schwarten, Mrs. Lazella, Librarian, - - -, One-hundredth Anniversary retires, 27 : 68 of the Birth of, 1 : 29-32 Sciadopitys verticillata, _12: Plate I, 5, 18; 14: 54 70 Scilla sibirica, 22: 54 Seeds without inhibiting dormancy, Scolytus multistriatus, 7 : 18 20: 3 3, 34 Screening Junkyards, Gravel Pits Semiarundinaria, 6 : 30, 32 and Dumps, Plants for, 25: 45-48 - fastuosa, 6: 38 - shrubs for dry, sandy soils, 25: 46 Sentry Ginkgo along Roosevelt - - - normal soils, 25: 48 Blvd. _l l : Plate XII, 43 - trees for dry, sandy soils, 25: 46 September bloom, list of woody - trees for normal soils, 25: 48 plants for, 27 : 69, 70 Scurfy scale, 19: 2 Sequoia, 19 : 64 Sea-lavender, 15 : 80 - sempervirens, 15 : 75; 19 : 63; 23: Seasonal hardening in trees and Plate XV, 128 shrubs, 26: 57-60 Sequoiadendron giganteum, 23: ------useful even though not Plate XV, 128 61- Serrata 10 winter-hardy, 26:- sinensis, 19: 633 Shagbark Hickory, 2: 111 - Rhythm of Development of Shallon, 15: Plate XII, 68, 69 Woody Plants and Its Importance Sheep-laurel, 17 : 70 in Introduction_27: 1-14 Shibataea, 6: 32 Sechium edule, 4: Plate IV, 333 - kumasaca, 6: Plate II, IV, 31-355 Secrest Arboretum, 23: 119 - ruscifolia, 6 : 34 Sedum purpureum, 22: 54 Shipping seeds, 13 : 50, 511 - species, 14: 24 Short, Charles Wilkins, _2: Plate VI, Seed coat dormancy, method of 16,22,23 overcoming, 25: 2 Short Guide to Care of the Garden - collection dates, chronologically, during War Time, 4: 9-16 13 : 42 Shortia galacifolia, 2: Plate IV, Plate - - - of Woody Plants, 7 : 53-56 VII, 13-28 - Dispersal by Birds and Animals - -, Asa Gray and his Quest for, 2 : in the Arnold Arboretum, 27: 73- 13-28 84 Shrub Altheas, 18: 45-511 - germination, effect of light on, - collection, 3: 24 _l l : 40 - Honeysuckles with pink to red -, Propagating some Rarer Plants flowers, 20: 29-32 from, 14 : 25-28 - rejuvenation, _13: 233 -, Propagation of Woody Plants by, Shrubs and Trees, Pruning, 13:21- 20 : 3 3-40 24 Seeds of Chionanthus and Viburnum, - - - with Colored Foliage Grow- 20: Plate IX, 37 ing in the Arnold Arboretum, - of Woody Plants, 13: 41-60 _14: 13-19 - that can be stored dry and sown - - Vines for American Gardens, within the year, 13: 54 _10: 711 - that can be sown or stratified as -, autumn blooming, 4: 44; 12: 59 soon as ripe, 13: 54 - for Massachusetts Gardens, 11: 1- - that should not be allowed to dry 20 out in shipping, 13: 54 - - at Least Two Seasons of Beauty, - to be stratified, 20: 35, 36 Some, 11 : 37-40 - with double dormancy, 20: 38 -, Some Winterkilling of Certain, 12: 49-52

71 Shrubs with gray twigs, 18: 60 Solanum pseudo-capsicum ’Cleve- - - twigs a conspicuous light land Cherry’, _15: 81 brown color, 18 : 62 -’Patterson’, 15 : 81 - - yellow twigs, 18 : 62 Some Cultivated Relatives of the - withstanding snow and ice for 24 Camellia, 17 : 1-12 hours, 13 : 39 - Horticultural Activities of Justin Siberian Squill, 22: 54 Smith Morrill, 28 : 41-52 Silene cucubalus, 1_8: 18 - of the Best Vines and Ground - noctiflora, 18: 18 Covers for Massachusetts Gardens, Silk Oak, 15: 80 13 : 1-19 Silk Tree, 6: 111 - shrubs and trees with colored - -, hardy, 18: 155 foliage, 14: 13-19 Plate V, Plants Climb, 5 3-66 Silphium perfoliatum, 18:- - Ways 28 : 20,23 - Winter-killing of Certain Shrubs Silva of North America, 7 : 52 as a Result of the Winter of 1951- Silvics of Forest Trees in the United 52, _12: 49-52 States, Review of, 26 : 47 Sonchus oleraceus, 4_: 4 Simple Foliage Key to the Firs, 3: Sophora, 21: 20, 21 65-711 - japonica, 12: 18; 14: 54; 21 : 20, - - - to the Hemlocks, 3: 57-64 211 - - - to the Pines, _3: 49-56; _l l : Sorbus, 29: 61-68 63-70 - alnifolia, 14: 27; 16: Plate XIII, Skinner, F. L., 8: 29 47, 48, 23: 123; 29: Plate XVIII, -, Fifty Years of Gardening in Nor- 63; Plate XX, 62, 67 thern 7: 29-40 - Plate 13; Manitoba, americana, 5 : III, 29:- Skirm, George, 7: 10 Plate XVIII, 62, 633 Slieve Donard Nursery, 21: 37 - aria, 29 : Plate XVIII, 63, 64 Small amounts of spray materials, - - ’Aurea’, 29: 64 19 : 10 - - ‘Majestica’, 29: 64 Smaller Street Trees Needed, 11: 41- - X arnoldiana, _29: 64 48 - aucuparia, 14: 54; 27: Plate XXII, Smilax, _15: 711 77; 29 : Plate XVIII, 63, 64

- - - 72 Plate XVIII, lanceolata, _15: ’Asplenifolia’, 29- : - laurifolia, 19: 67 63,64 -, Wild, 15 : 72 - - ’Beissneri’, 29 : 64 Smith, A. C., 4: 28 - - edulis, 29: 64 Smith, Harrison W., 8_: 4 - - ’Fastigiata’, 29 : Plate XX, 64, 67 Snow, 13 : 28 - - ’Pendula’, 29: Plate XIX, 64, 65 - damage, 26: 1-4 - - xanthocarpa, 29: 64 Snow, Mrs. Ina S., 9: 57, 63 . - cashmiriana, 29 : Plate XVIII, 63, Snowdrops, 22: 53 3 66 Solanum, 2 : 8 - decora, 29 : Plate XVIII, 63; Plate - aculeatissimum, 15 : 75 XIX, 65, 66 - capsicastrum, 15 : 81; 19: 69 - discolor, 7 : 58; 29: 66 - Plate 29 : 66 dulcamara, 22- : 55;- 26 : XX, - folgneri, - X Plate 67, 70 hybrida, 29- : XVIII, 63, - pseudo-capsicum, 15 : 81; 26: 75 68

72 Sorbus X hybrida ’Fastigiata’, 29: Spiraea menziesii, 21: 511 68 - X multiflora, 21: 57 - - - ’Gibsii’, 29: 68 - nipponica, 17 : 22, 27 - japonica, 14: 28 - - rotundifolia, 21 : 57 - pests, 19: 2, 3, 5, 9 pikoviensis, _21: 511 - rehderiana, 29 : Plate XVIII, 633 - prunifolia, _17: 22, 26; 21 : 52, 57 - sargentiana, 29: 68 -’Rosabella’, 21: 58 - tianshanica, 29: 68 -’Snow White’, 21: 58 - vilmorinii, 29: Plate XVIII, 63, 68 -’Summer Snow’, 21: 58 Sorensen, Dr. Paul A., appointed - X superba, 21: 57 Assistant Horticultural Taxono- - thunbergii, 17 : 22, 30; 19: 73; mist, 27: 67 21 : 57 Sources for a few new plants, 9: 1-4 - - compacta, 21: 57

- - - rare woody plants, 1: 5-19, 21- tomentosa, 21: 511 28 - trichocarpa, 21: 51, 57 - - trees, 12: 2, 3 - - erecta, 2_1: 5 8 - - vines and covers, 2 511 ground 13:- - trilobata, 21: Spanish Bayonet, 15 : 78 - vanhouttei, _7: 30; 17: 22, 26 ; 21: Spath Nurseries, _21: 3 5, 3 6 54,58 Spent Hops-An Effective Mulching - veitchi, 17: 22, 30; 21 : Plate V, Material, 7: 69-72 53, 58 Tree, European, 16: 23 - wilsonii, 21: 58 Spiraea albiflora, 21: 54 Spiraeas, 14: 10; 21: 51-58 - X arguta, 21: 54 Spirea, Bridalwreath, 1_7: 22 - arguta compacta, 21: 54 -, Nippon, 17: 22 - billiardii, 21: 511 -, Thunberg, 17: 22 - X brachybotrys, 21: 54 -, Vanhoutte, 17 : 22 - bullata, 21: 54 -, Veitch, 17 : 22 - bumalda, 17 : 30 Spireas, The Best Ornamental, 21: - - alpina, 21: 58 51-58 - - ’Anthony Waterer’, 21: 51, 52, Spray materials, 19: 2-6 56 - -, small amounts of, 19 : 10 - - crispa, 21: Plate VI, 54, 555 -, plastic, 16: 64 - - froebelii, 2_1: 54 - program in the home garden, 4: - - ‘Norman’, 21: 56 15, 16 - canescens, _51: 56 - Schedule of the Arnold Arbore- - cantoniensis, 21 : 56 tum, _13: 73-77; 19 : 1-16 - decumbens, 21 : 56 Spraying, 15: 13 - - digitata nana, _21: 58 Spring, An Early, 5 : 1-3; 16 : 1-4 - japonica, 21: 56 - in the Arboretum, _7: 25-28

- - - alpina, 29 : 14 calendar, 21 : 38

- - - atrosanguinea, 21: 56 classes, see Arnold Arboretum, - - ovalifolia, _21: 56 Spring classes

- - - ruberrima, 21 : 56 comes to the Arnold Arboretum, - latifolia, 21: 511 12: 45-48; 15: 13-16

- - margaritae, 21: 56, 57 displays in the Arnold Arboretum, - media sericea, 21 : 511 4: 21-24

’33 Spring in 1946, 6 : 1-4 Stewartia grandiflora, 17: 10

- - - -, half-hardy plants, 6_: 3, 4 koreana, 7: Plate X, 63; 4; 12: - - -, pruning, 6 : 3 18; 14: 54; 17: 8, 10, 18:-Plate-9: - - 3 -, shrub collection, 6- : 2, XIV, 59 ; 23 : Plate XIV, 123, 127; - - -, vines, _6: 2 _29: Plate XII, 48 - planting notes, 16: 17-27 - malacodendron, _17: 8; 29: Plate -, 1948, 8 : 9-12 VIII, 43 -, 1949, _9: 9-12 - monadelpha, _17: 10; _29: Plate XI, - rushes on, 5 : 21-24 47 - walk the Arnold Arbore- - ovata, Plate through 17 : IV, 8, 10, 11; 29:- tum, 10: 29-32, 18: 13-16 Plate IX, 45 Spruce Birds, 15: Plate XIII, 73, 75 - pentagyna, 17 : 8 -, Black, 15 : 63; _19: 62 - pseudo-camellia, 17 : Plate III, 9, -, Colorado, Blue, 17 : 24 10; _29: Plate XI, 47 - gall aphid, 19: 2, 8 - serrata, _17: 10 - mite, _19: 5, 7, 9 - sinensis, 29: Plate X, 46 -, needle of, 3: Fig. 1 (b), 58 Stewartias, Introduction of Our -, Norway, 16: 62; 17 : 24; 19: Plate Hardy, The, 29 : 41-48 XI, 65, 68 Sticker, _13: 84 -, Oriental, 17: 24 Stichwort, 22 : 52 -, Red, 15: Plate XI, 65, 75 Stratification, 14: 26, 28; 20: 34, 35 -, Serbian, 17: 24 Stratifying seeds in plastic, 13: 67 - twig, 3 : Fig. 8 (b), 66 Strawflowers, 1_5: Plate XIII, 73, 76 -, White, 15: 63; 19: 63 Street planting, 11: 42 -, witches’-brooms, 27: Plate VIII, - trees, _l l: 41-48; 14: 49-55 30, 32, 44 - -, size of at planting time, 11: 44 -, - -, propagation, 27: 48 - -, suburban planting, 11: 44 Spruces, simple foliage key to Hem- - -, trial plot for, 23 : Plate I, 1-7 locks and, 3 : 57-64 Strelitzia reginae, 15: 82 Spurge, Japanese, 17: 73 Striped cucumber beetles, _3: 6 Squash vine borers, 3 : 7 Stuart, John, 17 : 8 Stamps, Postage, Horticulture on, Styrax, 21: 62, 64 18 : Plate VI, Plate VII, Plate VIII, - japonica, 12: Plate V, 15; _14: 54 29-38 - obassia, _3: 27 Standard Postage Stamp Catalogue, - officinale, 21: 62 Scott’s, 18: 29 Styrofoam, 13 : 62-66; 16: 70 Standards of color, uniform, 41- 84 7- : Sulfur, dusting, 1_3: 52 Sullivant, William S., 2: 18 Staphylea holocarpa rosea, 16 : 27 Sutton, Stephanne B., Herbarium Star Flower, 15: Plate XIII, 73, 76 Introduced, The, 25 : 37-40 Star-of-Bethlehem, 15: 83; 22: 54 Symplocos paniculata, 27 : Plate Stars, _16: Plate XXI, 71 XXI, 75 Stellaria graminea, 18: 18; 22: 52 Swags, 29: Plate XXVIII, 120, 1211 Plate 16: 70 Stephanandra incisa, _26:-- XIX, -, making of, 64 Sweetbells, 15 : 68 - - ’Crispa’, 29: 16 Sweet-gum, 15 : 76; _16: 72 Stewartia, 17: 8 - - blight, 21: 64 Sylva Telluriana, 3 : 8 74 Symphoricarpos albus laevigatus, Syringa cultivars, 23 : 80 17: 30 - ‘Daphne’, 23: 80 - chenaultii 16 -’Dark 133 ’Hancock’, 20- : Night’, 26: - foetidus, 26: 74 - ’Dawn’, 8: 32

- - orbiculatus leucocarpus, 8: 59 ’Descanso Beauty’, 26: 133 Syngonanthus sp., 15 : 76 - ’Descanso Giant’, 26 : 133 Synthetic hormones, 13: 61 - ’Descanso King’, 26: 133 Syrian Rose, 1_ : 41 - ’Descanso Princess’, 26: 14 Syringa, 6 : 3, 10, 12 ; 25 : 24 - ’Descanso Spring’, 26: 14

- - ’Addie V. 80 ’Desdemona’, 8: 32 Hallockt,~_·3:.- -’Aladdin’, 23: 80 - ’Directeur Doorenbos’, 2_3: 81

- - ‘Alexander’s Advance’, 27 : 66 ’Director General Van Der - ’Alexander’s Aristocrat’, 27 : 66 Plasche’, 23: 81

- - ’Alexander’s Pink’, 27 : 66 ’Doctor Brethour’, 23 : 81 -’Alice Stofer’, 23: 80 - ’Doctor Chadwick’, _23: 811 - 36; Plate - ’Donald amurensis, - 8- : 22, 25- : Wyman’, 8: 34 VI, 25 - ’Dorcas’, 8_: 32 - - japonica, 7: 12, 30; 8_: 36; 12: - ’Early Bird’, 26: 14 Plate VI, 16, 19; 14: 55; 19: 25; - ’Edgar T. Robinson’, 23 : 81 23 : 123 - ’Elinor’, 8: 32 - ‘Anna Amhoff’, 23: 80 - ’Enid’, 8: 34 - ‘Anna Nickles’, _23: 80 - ’Esta’, 23: 81 - ’Ariel’, 8: 34 - ’Evangeline’, 8 : 59 - ’Audrey’, 8 : 32 - ’Fantasy’, 23: 81 - ‘Bellicent’, 8_: 311 - ’Floreal’, 8: 34 - ’Berdeen’s Chocolate’, 23 : 80 - ’Florence Christine’, 23: 811 -’Bertha Phair’, 23 : 80 - ’Forest Kresser Smith’, _26: 14 -’Betty Opper’, 23: 80 - ’Francisca’, 8 : 34 - ’Betty Stone’, _23: 80 - ’Frank Patterson’, 23 : 811 - ‘Bloemenlust’, 23: 80 - ’Geraldine Smith’, _23: 811 -’Blue Boy’, 26 : 133 - ’Guild’s Pride’, 26 : 14 - ’Blue 133 8: 4 Mountain’, 26 : - ‘Guinevere’, 34, 59; 9:- - ’Burgemeester Loggers’, 23 : 80 - ’Handel’, 32, 60 - ’Caliban’, 8_: 32 - ’Hecla’, 8__8: 32, 60 - ’California Rose’, 26: 133 - ’Hedin’, 8: 32, 60 - ’Carlton’, 8: 32 -’Helen Palagge’, 23 : 811 - ’Caroline Foley’, 23 : 80 -’Helen Schloen’, 23 : 811 - ’Charles Hepburn’, 8: 34 - henryi, 8 : 3 2 - ’Charmian’, 8: 34 - - ‘Lutece’ in the Arnold Arbore- - ’Chiffon’, _26: 133 tum, pictured with S. villosa, 8 : - chinensis, 8: 22; 15: 10; 17: 22, Plate X, 3 5 ; 15 : 20 26; 19: 29 -’Hiawatha’, 8: 32; 9: 4 - - saugeana, 8 : 22 - hyacinthiflora, 15 : 20 - ’Chris’, 23 : 80 - ’Ingwersen’s Dwarf’, _23: 811 - ‘Congo’, 8: 22, 59; _9: 133 -’Inez’, 23 : 81 - ‘Cora Lyden’, 2 3 : 80 -, International Registration Au- - ‘Coral’, 8: 32 thority, 23 : 87

75 Syringa ’Isabella’, 8 : 32, 60; 9: 4 Syringa ’Mrs. Robert M. Gardner’, - ‘J. Herbert Alexander’, 23-: 811 23 : 82 - ’Mrs. W. E. 133 - ‘J. R. Koning’, 23: 81 Marshall’, -8: 59; 9: - ‘Jack Smith’, 23: 81 -’Negro’, 8: 22 - ‘jane’, 23 : 81 -’Nellie Bean’, 23: 82 - japonica, 7: 39 -’Nellie Marie’, 23 : 82 - ‘Jennie C. Jones’, 23: 811 - ’Nerissa’, 8: 34, 60 - ‘Jessica’,_8: 34 -’Nina Baker’, 23 : 82 - ’Jimmy Howarth’, 23: 811 - ‘Niobe’, 23: 82 - ‘John’s Favorite’,_23: 811 - ‘Nocturne’, 8: 34 John of Monmouth’, 23: 811 -, nurseries offering, 23: 79, 80 - josikaea, 8: 24; 17: 22, 30; 19: - ‘Oake’s Double White’, 23 : 82 25 - oblata, 15 : 20

- - - - zabeli, 8 : 34 dilatata, 7 : 3 3 - julianae, 8: 34 -’Octavia’, 8: 32, 60 - ‘Katherina’, 8: 32 - ‘Olivia’, 8: 34 - ‘Ken Berdeen’, 23: 81 -, origin of, 8 : 29 -, Key to the List of Originators, - ‘Paulina’, 8: 32, 60 23 : 78 -’Pauline Beck’, 23: 82 - ’La Canada’, 26: 14 - pekinensis, 8: 36

- - laciniata, 8 : 59 ; 15: 10; 17 : 22, X persica, 8: 22; 11: 16; 19: 29 26; 18: Plate 1,2, 5; 19: 29 - - laciniata,_9: 4

- - - ’Lavender Lady’, 23: 811 var., 7 : 12 - ’Lewis Maddock’,_23: 811 - pests, 19: 2-4, 9 - ’Louvain’, 23: 81 pinetorum, 8: 32 - ‘Lucelle’, 27: 66 -’Pink Bluet’, 23: 82 - ’Ludwig Spaeth’, 8 : 22, 37; 9: 133 -’Pinkie’, 23: 82 - ’Lutece’, 8: 34 - ‘Pinkinsun’,_23: 82

- - 15: 19 : 29 ‘Lynette’, 8: 32 pinnatifolia, 7 : 12; - 20;- - ‘Macrostachya’, 8: 37 - ‘Pom’, 27: 66 - ‘Madame Rosel’, 23: 81 - ’Portia’, 8: 32 -’Maiden’s Blush’, 26: 14 -’Prairial’, 8: 32

- - 23: 82 ’President 82 ’Margaret Opper’, - Eisenhower’, 23 :

- - ‘Martine’,_23: 82 prestoniae, 7: 26;_8: 29-36; 15 : 20 - ’Mary Blanchard’, 23: 82 - - ‘Hecla’, _8: Plate IX, 3 3 ; 11: - ‘Maud Notcutt’, 23: 82 Plate VI, 19 -’Mauve Mist’, 23 : 82 - -, hybrids, 8 : 60 - ’Maybelle Farnum’, 23 : 82 - - ‘Isabella’, 11 : Plate VI, 19; 25: - microphylla, 15: 10; 19: 26 Plate VI, 25 - ’Miranda’, 8: 32, 9: 4 - -, vars., 8: 29-36; _l l : 16 -’Miss Canada’, _27: 66 - ‘Primrose’, 20: 16 -’Miss Kim’, 23 : 82 - pubescens, 8: 22, 60 ; 9 : 4 - ’Mountain Haze’, 2 3 : 8 3 -’Purple Gem’, 23: 82 - ’Mount Baker’, 23: 82 -, recommended varieties, 8: 32, 34 - ’Mrs. Fannie W. Heath’,_23: 82 - ‘Redbud’, 27: 66 - ’Mrs. Harry Bickle’, 23: 82 - reflexa, 8: Plate VIII, 29, 30; 19: - ’Mrs. J. Herbert Alexander’, 27 : 66 25

76 Syringa, registration of cultivars, 23: Syringa vulgaris, cultivars for sale, 77-83; 27: 65, 66 19: 27,28 - ’Rhum von Horstenstein’, 9: 133 - -, - for sale, blue, 19 : 27 - ’Robert Dunham’, 23: 82 - -, - for sale, lilac, 19 : 27 - ’Romance’, 23 : 82 - -, - for sale, magenta, 19: 28 -’Romeo’, 8: 32 - -, - for sale, pink, 19: 27 - ’Rowancroft Pink’,_23: 82 - -, - for sale, purple, 19 : 28 -’Royal Purple’, 26 : 14 - -, - for sale, violet, 19 : 27 - - 27 ‘Royalty’, 8: 36;- 23: 833 -, - for sale, white, 19 :

- ‘Rutilant’, 8: 34 - - varieties, 15 : 22 - ’St. Joan’, 23: 82 - ‘W. T. Lee’, 23: 83 - ’Saint Margaret’, 23: 82 - ‘W. T. Macoun’, 8: 32 -’Sierra Blue’, 23 : 83 - ‘Westend’, 23: 83 - ‘Silvia’, 8: 32 -’White Spring’, 26: 14 - ‘Snow White’, 23: 833 -’White Surprise’, 23: 833

- ’Sobra’, 23: 83 - wolfi, 8: 34 - ’Spring Dawn’, 23: 833 -’Yellow Spek’, 20: 16 - ’Spring Glory’, 23: 833 - yunnanensis, 19 : 25 ; 20: 16 - ’Spring Sonnet’, 26 : 14 - ‘Sulte’, 8: 34 Tamarix gallica, 19: 64 - ‘Superba’, 27: 66 - pentandra, 17: 30 -, supplementary registration list, Tanacetum, 15: 79 23 : 77-833 - vulgare, 18 : Plate V, 20, 233 -’Swanee’, 8: 34 Tansy, common, 18: Plate V, 20, 255 - swegiflexa, 8: 31, 32 Taraxacum officinale, 4: 2 - sweginzowi, 8: 32; 9: 26 Taxodium distichum ’Monarch of - ’Sylvan Beauty’, 26: 14 Illinois’, 29 : 7 -’The Bride’, 23 : 83 , 19: 72; _23: Plate XV, - tigerstedtii, 20: 16 123, 128; 26: Plate III, 6; 29: Plate - ’Titania’, 8: 322 XXXVII, 139 - ‘Tom 23: 83 - - 29: Plate Taylor’, ’Adpressa Fowle’, - III, - tomentella, 8: 32; 19: 26 7, 15, 16 - ’Two Star 833 - - 28: 24 General’, 23:- ’Nutans’, - ’Ursulla’, 8: 32 - - ‘Pygmaea’, 28: 24

- ‘Valeria’, 8: 32 - - stricta, 2 3 : Plate X, 1211 -, varieties divided into color groups, - - vars. 14: 19 8: 31, 32, 34, 36 - canadensis stricta, 17: 30 - velutina, 7: 3 3 ; 19: 26 -, clones, sexes of, 23 : 120-122 - - excellens, 8: 34 - cuspidata, 17: 24, 26;_27: Plate - ‘Verdugo’s Pride’, _26: 14 XXIII, 79 Plate Plate - - - villosa, 8 : VIII, X, 22, ’Aurescens’, -8: 62; 14 : 19; 28: 29, 30, 34, 35; 15: 20; 19: 26 25

- ’Voorzitter Buskermolen’, 23: 833 - - ’Capitata’, 17: 24, 26 vulgaris, 6: 12; 8: 22, 29, 36;_9: - - densa, 16 : 62 13, 15; 17: 22, 26 ; 19: 26 - - expansa, 8: 62 - - alba, 19: 26 - -, fruiting, 10: 833 - - aucubaefolia, 14: 19 - - nana, 11: 16; 16: 62; 17: 24, 26

77 23 : 119-122 occidentalis 17: 30 Taxus, fruiting of, Thuja globosa, - - hedge, 27 : Plate 233 - - ’Hetz Junior’, 28: 25 - media, _17: 25 - - ’Hetz Midget’, 28 : 255 - - hatfieldi, 12 : Plate XVII, 82; - - ’Holmstrup’, 28: 25 17: 25, 26 --’Little Gem’, 17: 25,26 - - hicksi, 17: 25, 26 - - ’Malonyana’, 28: 25 - pests, 19: 4, 5, 9 - - ’Minima’, 28: 26 - spp., 26 : Plate XXI, 69, 72 - - ’Ohlendorffi’ 28: 26 Tea family, 17 : 2 - - ’Recurva Nana’, 28: 26 Tear-thumb, 18 : 18 - - ’Rheingold’, 28: 26 Teasel, 15: Plate XIII, 73, 76 - - ’Robusta’, 17: 25, 26 -, Fullers’, 15 : 76 - - - hedge, 27 : Plate VI, 27 Technique, wounding, 17 : Plate XI, - - spiralis, 17 : 25, 26 511 - - vars., _14: 19 Temperatures, minimum, 3 : 25, 26; - - wagneriana, 17: 25, 30 17 : 13 - - woodwardi, 17 : 25, 30 Tent caterpillar, 19: 3, 8 - orientalis conspicua, 14: 19 Ternstroemia, 17: 10 - - ’Juniperoides’, 28: 26 - gymnanthera, 17: 10, 12 - ’Meldensis’, 28: 26 - sylvatica, 17: 10 - - ’Minima Glauca’, 28 : 26 Ternstroem, Christopher, 17: 10 - pests, 19: 4, 5, 9 41 12: 14: 17: Tetraploid plant, _16: - plicata, 19; - 55;- 25, Teucrium chamaedrys, 13: 18; 14: 26; _19: 62 24; 17: 75 Thunbergia laevis, 19: 73 - prostratum, _17: 75 Thuiaria cupressina, 15 : 84 Thalictrum polygamum, 18: 20 Thyme, 22 : 53 3 Thayer, Rev. Ebenezer, 21 : 76, 77 Thymus serphyllum, 17 : 755 Thea japonica, 2 : 6 americana, 22 : Plate XXIV, 22, Theaceae, genera of, native to the 73, 74 United States, 17 : Plate I, 5 - - ampelophylla, 22: 74 Thomas Jefferson’s Garden Book, 5 : - - dentata, 22 : 74 4 - - ’Fastigiata’, 9: 4 ; 22 : 70 Thomas, Joab, 19 : 57; 21: 37, 64 - - macrophylla, 22: 74 - -, Forsythia ’Karl Sax’, 20: 49-511 - amurensis, 22 : 74 - -, Liquidambar, 21: 59-65 - caroliniana, 22 : 74 Thorn, Cockspur, 17 : 21; 22: 28 - chinensis, 22 : 74 - Glastonbury, 22: 30 - cordata, 7 : Plate V, 31; 14: 5 5 ; Thornhill, 2 : 50 17: 22, 26; 22: Plate XXIV, 70, the Arnold Through Arboretum, 9- : 73 12 - - ascidiata, 22: 74 Thuja, 18: 1 - - cordifolia, 22: 74 15: - - 23: 92 - occidentalis, 3- : 17; - 70;- 17: 25, ‘Greenspire’, 26 - - ’Morden’, 29: 7, 8

- - ’Compacta’, 28: 25 - - ’Pyramidalis’, 22 : 70

- - ’Ellwangeriana Aurea’, 28: 25 - - ’Swedish Upright’, 23: Plate - - ’Ericoides’, 28: 25 VIII, 114, 115 - - ‘Filiformis’, 28: 25 - dasystyla, 22 : 74

78 Tilia X euchlora, Plate XXIV, Tilia tomentosa erecta, 22 : 72 22:- 70, 73 - - pendula, 22 : 76 - X europaea, 22 : Plate XXIV, 73, - tuan, _22: 76 74 - - chinensis, _22: 76 - - - X pallida, 22: 74 not recommended, _22: 74 - - - ’Pendula’, _22: 70 Tilias recommended, 22: 70 - X flaccida, 22 : 74 Tillandsia recurvata, _19: 64 - X flavescens, _22: 74 - usneoides, 19: 64 floridana, 22: 74 Toad-flax, 18: 18 - ‘Handsworth’, 22 : 72 Tomato, spiny, 15: 75 - henryana, 22: 74 Tomlinson, Bertram, 9: 63 - - subglabra, 22 : 74 Topiary garden in Hunnewell Arbo- heterophylla, 22 : 74 retum, 12 : Plate XIV, 69 - - michauxii, 22: 74 Torrey, John, 2: 18 - insularis, 22 : 74 Town dump, Reading, Mass., orna- - intonsa, _22: 76 mental planting, 25 : Plate X, 47 - japonica, 22 : 74 Tralon, _l l: 50 - X juranyana, 22 : 76 Traveller’s Tree, 5 : Plate V, 30 - kiusiana, _22: 76 Tree Legumes in the Arnold Arbo- - mandshurica, 22: 76 retum, The, 21 : 19-30 - maximowicziana, 22 : 76 - -, key to the genera, 21 : 30 - miqueliana, 22 : 76 Tree measurements, 12: 83, 84 - X moltkei, 22: 76 - Peonies, 5-8; 29: 25-32 - mongolica, 22: 72 -, Silk, 16_6: 36 - 76 monticola, 22 : -, small, Christmas novelties, 16:- - ’Mrs. Stensson’, 26: 16 Plate XVII, 65, 72 - neglecta, 22 : 76 -, strawberry, 19 : 69 - oliveri, _22: 76 - Trunks, 23 : 123-130 - X orbicularis, _22: 76 - -, More, _26: 5-12 - 22: 76 Trees, the best common, paucicostata, among 12:- - pests, 19: 4, 6, 9 19-20 - petiolaris, 22: Plate XXIII, Plate - and shrubs introduced by the Hun- XXIV, 71-73 newell Arboretum, 12: 75-833 - 22: Plate XXIV, 72 , - - -, Characters of platyphyllos, - Juvenile The, 73 18: 1-7 - - aurea, 22 : 72 -, Best for Massachusetts Gardens, - - begonaefolia, 22 : 76 _12: 1-20 - - corallina, 22 : 76 -, best small for shade, 14: 49-5S - - ’Fastigiata’, 22 : 72 -, blown over in hurricane, 14: 40 - - 22 : 72 for the Small ’Laciniata’, -, Eighty Place, 16:- - - pyramidalis, 14: 555 9-15 - - ‘Redmond’, _22: 74 - for American Gardens, 11: 74 - - ’Rubra’, - - Christmas Plate 22 : 72 decorations, -29: - - tortuosa, _22: 76 XXVII, 119, 128 - - vitifolia, 22 : 76 - - city conditions, 14 : 49-555 - tomentosa, 22 : Plate XXIV, Plate - - the small place, 16: 9-15S XXV, 755 - - Massachusetts Gardens, Forty- five of the Best, 12: 1-20 79 Five 11: 71-74 canadensis - Trees, Interesting, - Tsuga macrophylla, 23: -, heights, 14: 49-55 101 - in your community, 23: 1, 2 - - minuta, 6 : 58 - injured by hurricane, 14: 41-56 - - ’Nana’, 28 : 27 for narrow 11: 48 - - ‘Pendula’, 6: Plate XI, 11, 56, -, narrow streets, - 101 - -, upright habit, 16 : 14 57; _il: 18;_23:

- - -, ornamental, 7: 24 ‘Rockland’, 23: 92

- - - -, small, demonstration plot, list- ’Verkade Petite’, 29: 8 ed, 16: Plate IV, 10-14 - - ’Verkade Recurved’, _29: 8 -, small, for city streets, _l l: 41-48 - caroliniana, 3: 59; 6: Plate VIII, - -, ornamental 16: 14 25, 26 ; flowers, 51, 58; _14: 55; -15: 71;- 17: - -, ornamental fruits, 16: 14 28 : 6 - 16: - ‘Arnold Plate -, outstanding autumn color, Pyramid’, 15:- 155 VIII, 50, 511

- - - trial 108 trees listed 50; 28: 27 street, plot, ’Compacta’, 15: - according to row and number in - - fastigiata, 6: 5 9 plot, 23: 2-7 - chinensis, 6: 52 - that crack easily, 14: 48 - - diversifolia, 3: 58; 6: Plate IX, -, unusual, a list of some at Drop- 53; 9: 4; 11: Plate IV, 15, 18; more, 7 : 37 28 : Plate IV, 6, 7 -, unusually pest free, 14: 49-55 - dumosa, 6: 52 - with interesting bark, _14: 49-55 - formosana, 6: 52 - - ornamental flowers, 14: 49-55 heterophylla, 3: 59; 6: 54; 26 : - - ornamental fruits, 14: 49-55 Plate IV, 7 Trifolium 22 : 50 - mertensiana, 59; Plate X, 54, hybridum, - _3: _6: - pratense, 22 : 50 55 - repens, 22 : 50 - pests, 19: 5, 9 Trip Through the Arboretum During - sieboldii, 3 : Fig. 2 (b), 58; 6_: 52 Lilac Time, A, 8 : 21-24 - yunnanensis, 6_: 52 tree, 123-130; 5-12 Tucker, Elizabeth, 80 Trunks, 23- : _26:- _21: Tsuga, 3 : 58 Tucker, Ethelyn, translator of A. - canadensis, 3 : Fig. 2 (a), (c), 58, Rehder’s "On the history of the 59; _6: 52, 54, 56; 14: 55; 15: 63, introduction of woody plants into 71; 17: 25, 26; 27: Plate XIX, 48- North America," 6_: 13-233 50 ; _28: 6; 29: Plate XXXIX, 143 Tulip-tree, American, 16 : 24 - - ’Alba Spicata’, 6 : 58 Tulipa, International Registration - - and its variants, 23: 100-102 Authority, 23: 87 - - atrovirens, _2 3 : 101 Tupelo, 16: 72 - - 26 18 : Plate IV, 20, 211 ’Cinnamomea’, 28:- Turk’s-cap-lily, - - ’Cole’, 28: 26 Twiners, 28 : 53-555 - - 101 Two of Azalea compacta, 17 : 25, 26; 23 : Months Bloom, 13:- - - ’Dwarf Whitetip’, 28: 27 29-355 - - fastigiata, 23 : 1011 Types of Arboretums, 20: 72-74 - - ’Greenspray’, 23: 92 Typha angustifolia, 15: 74 - - hedge, 27 : Plate IV, 255 - latifolia, 15 : 74; 18: 20 - - 29: 8 ’Jacqueline Verkade’, - - - jenkinsii, 6 : 58 Ulex europaeus, 5 : 78

80 Ulmus 1: Ulmus fulva, 65, 66, 80; 79, alata, 65, 67, 78; 11: 79, 1:- _l-- l: 81,90 80,93 - americana, 1: 65, 66, 67, 80; _l l: - glabra, 1 : 72, 76, 78, 80; 11: 84, 79-81, 92; _22: Plate XIII, 71; 24: 87, 89, 92; _24: 46 46 - - atropurpurea, 1 : 76; 11: 89; - - 1: 24: 24: 49 - 66; 80; ’ascendens’, -11: - 48 - - camperdowni, 1 : 76; 11 : 87; - - ’Augustine’, _l l : 80; 24: 49 24: 52 - - 1: Plate - - 1 : 89; 54 ’columnaris’, 66; _11:- crispa, 77; 11: 24 : 53 - - 1: 76; 11 : 89; 24: XXI, 80, 90; 24: exoniensis, ------’Lake 11: 24: 57 - 80; City’, 1 : 66 ; - - 64 - - 1 : 11: 89 24: monstrosa, - 76; - - - - ’Moline’, 1: 66; 1_1: 80; 24: 67 67

- - - - pendula, 1: 66; 11: 80; 24: 69 nana, 1 : 76; 11: 89; 24: 68 - - 1 : 11: 24: - - 1: 11: 24: ’Princeton’, - 66; - 80;- pendula, 76; 89; 69, 711 70 - campestris, 1 : 70, 73, 74; 11: 84, - - purpurea, 1 : 76; 11: 89; 24: 71, 86 72 1: 84, - hollandica, 72, 80; 84, 92; 72, 73, 80; - -- - carpinifolia, --11: 1 : _l l: 86, 92; 24: 46 24 : 46 - - 74; 86; 1: 73; 86; 50 cornubiensis, 1- : 11- : -24: - - ‘belgica’, 11: 24: 533 - - ‘Klemmer’, _1: 7 3 ; _11: 86; 24: - - dampieri, 1 : 74; _l l : 87; 24 : 54 63 - - koopmanni, 1: Plate X, 74, 75; - - ’major’, 1 : 72, 73; 11: 85, 86; _ll: 87; 24: 64 24: 65 74; 86 73; 86; - - pendula, 1 : _11: - - ‘pendula’, 1- : _l- l: -24: - - propendens, 1: 74; 11: 87; 24: 69, 70 711 - - ’superba’, 1: 73; 11: 86; 24: 75

- - - - sarniensis, _1: 74; _9: 4; _l l: 87; vegeta, 1: 73 ; _l l : 86; 2_4: 77 24:46,733 -, International Registration Au- - - suberosa, 1 : 74, 78; 11: 87, 90; thority, 23: 87 70, 77, 78, 80; 32; 24: 75 - japonica, 1 : 7:- - - umbraculifera, 1: Plate X, 74, 1_l: 83, 90, 92, 933 75; 11: 87; 24: 76 - laciniata, 1: 70, 78; _l l: 83, 92 - - 74; 11: 86; 14: 19; - laevis, 1: Plate IX, 70, 71, 73, 77, variegata, 1 : - - 24: 76, 77 80; _ll: 84, 90, 93; 24: 46

- - - 1: 11: 87 webbiana, 1:- 74; -11: 86;- 24: montana, 76; 79 - - 89; 57 fastigiata, 1: 76; _l 1: 24~ : - - wredi, 1: 74; 11 : 87; 1_4: 19; - nitens, 1 : 73; 11: 86 24 : 79,80 - parvifolia, 1 : 67, 68, 70, 78; 7: - 67, 77, 81, Plate X, 63; 8: Plate XVI, crassifolia, _l:~ 78; 11: 53, 62 ; 90 _l l: 81, 83, 92; 17: 32; 18: Plate - X elegantissima, 24: 46, 56 XIV, 59; 23: 123 ; 24: 46

- - - X Hil- 85; elegantissima ’Jacqueline sempervirens, -11: Plate XIX, lier’, 27 : 66 24 : 74

- - foliacea, 1 : 73; 1_l: 86 pedunculata, _1: 72; 11: 84 - - wheatleyi, 1: 74; 11 : 87; 24: 79 - pests, 19: 2-6, 9

81 Ulmus ploti, 1: 70, 72, 77, 80; 11: Vaccinium corymbosum 2 : 29-32; 84,90,92 8: 25-28 - procera, 1 : 70, 73, 77, 78, 80; 11: - -, horticultural varieties offered 84, 86, 90, 9 3 ; _24: 46 by growers, 2 : 32

- - - 1: 24: 49 -, northern 2: 311 ’aurea,’ 72; 11 : 84; growers selling, - - - australis, 1: 72; 11: 84 ; 24 : 50 - ovatum, 15 : 67 - - marginata, 1: 72; 11: 84; 24: 66 - vacillans, 4: 6 - - myrtifolia, 1: 72; 11: 84; 24: vitis-idaea, 17: 75 67,68 - - majus, 17 : 75

- - - - purpurascens, 1: 72; 11: 84; 24: minus, 17: Plate XVI, 71, 755 711 Variegated foliage, 2: 60, 61 - - van 1: 72; 11: 84; 24: definition of, 3 : 9 houttei, - - - Variety, 76 Vasseur, Louis, 2 : 50; 3 : 24

- - 24: viminalis, -1 : 72; -11: 84; 77, Vegetables, Planting, 3:1-7 78 - - dates, 3 : 2 - pumila, 1: 68, 70, 78; 7 : 32; 11: - - information, 3 : 4, 5 81, 83, 92; 14: Plate X, 50; 17: Veitch Memorial Gold Medal, 5 : 3 ; 32;24:46 6_: 28; 29 : 3 pp. following p. 8 - racemosa, 1: 67; _l l: 81 Verbascum thapsus, 22: 54 -, Registration of Cultivar Names Verbena hastata, 1_8: Plate V, 20, 233 in, 24: 41-80 Veronica officinalis, _14: 24 - rubra, 24: 46 Vervain, Blue, _18: Plate V, 20, 233 - X sarniensis, 24: 46 Vetch, Tufted, 22 : 52 - scabra, 1: 76; 7: 32; 11: 87 Virburnum acerifolium, 19: 50, 52 - serotina, 1 : 67, 77, 78; _l l: 81, 90 -, Arrowwood, 19: 50 - thomasi, 1: Plate VIII, 67, 69, 77, - bodnantense, 19: 56 78; _i l : 81, 90, 92 - burkwoodii, _19: 48, 52 - X vegata, 24: 46, 77 - carlcephalum, 19: 48, 52 - X viminalis24 : 46, 77, 78 - carlesii, 7 : 39 ; 19: 48, 52 Umbrella Pine, 8 : 10 - - compacta, 1_9: 56; 20: 16 Understocks trees, 10: - cassinoides, 5 2 ; Plate for dwarfing " 19- : -_27: 73-77 XXIV, 81 United States Department of Agri- - - nanum, 19: 56 culture, Bureau of Entomology, 7: -, chart, 5 : 60, 61 22 - chenaultii, 19: 56 U.S. Plant Introduction Garden, Md., -, Chinese, 16: 49 12 : 48 - dentatum, 5 : Plate IV, 16; 17 : 22, Unsatisfactory ground covers, 87 26; 1_9: 50 which have 23: 14- - dilatatum, 18; 48-50 plants proved, - 1_l: 19: 16 - - xanthocarpum, 7: 58; 8: Plate Botanic 7: 30 62; 9: 4; 19: 50 Upsala Garden, - XIX, 61, Urtica dioica, 18: 18 - fragrans, _2: 36; 4: 18; _7: 26; 8_: Use of auxins in the rooting of 10, 62 ; 19: 52, 69 woody cuttings, 10: 39 - - ‘Bowles’, 19: 56 - - compactum, 19: 56 Vaccinium angustifolium, 4: 6 - - nanum, _19: 56 - - laevifolium, 14: 24 - hupehense, 14: 27

82 Viburnum tomentosum 10: Viburnum, International Registra- mariesii, - tion Authority, 23 : 87 Plate X, 44; 16: 27 - juddii, 19: 48, 52 - sterile,_5: Plate XII, 62

- - lantana, 5 : Plate XI, 59; 17: 32; trilobum, 19: 49, 50 19: 50 - - compactum, 19 : 50, 52 - - rugosum, 19: 52 - - ’Pink Flowered Form’, _19: 56 lantanoides, 19: 50, 52 - veitchii, _19: 50 -, Leatherleaf, 17 : 76 - wrightii, 19: 50 ~ - lentago, 19: 49, 52 - - hessei, 19: 50, 54 - lobophyllum, 14: 27; 16: Plate Viburnums, 14: 10; _19: 47-56 XIII, 47, 49 -, autumn color, 5 : 633 - opulus, 19: 49, 50 -, for flowers, _19: 47-49 - - ’Compactum’, 19: 50, 52; 29: -, for foliage, 19 : 52 16 -, for fruits, 19: 50, 522 - - nanum, 17: 32; 19: 52 -, for habit, 19 : 52 - - ’Notcutt’s Variety’, 16: 27; 19: -, for shade, 19: 52 56 -, landscape use,_5: 633 - - roseum, 5 : Plate XII, 62; 19: 49 -, northern U.S., for the, 5: 57-63 - - xanthocarpum, 8 : 63; 9: 4; 19: -, not recommended, 1_9: 54, 56 50 -, order of bloom, 19 : 49, 50 - pests, 19: 5, 9, 56 -, plants attracting birds,_5: 58 - plicatum ’Lanarth’, 19: 54 -, valued for flowers,_5: 57 - - mariesii, 19 : Plate VII, 49, 51, Vicia cracca, 22 : 52 54 Vinca, Annual, 4: 57

- - - roseum, _19: Plate VIII, 49, 5 3, minor, 14: 24 ; 17 : 76 54 - - ’Bowles Variety’, 17 : 76 - - tomentosum, 19: 49 Vines, Available Rapid Growing, for - - varieties, 19: 50 the United States, 4: 45-64 - prunifolium, 14: 27; 17 : 22, 26; -, chart, 4: 58-64 19: 52 -, climbing by means of tendrils or - --, hedge,_27: Plate III, 24 twining leaflets, 13: 4 - rhytidophyllum, 17 : Plate XV, 57, -, clinging, 13: 4 72 the central United States, -, for 4:- - 18: 52 48 rhytidophylloides, - - rufidulum, 19: 52 -, for coastal area of southern and - sargenti, 17 : 22, 32; 19 : 49 southeastern United States, 4: 533 - - flavum, _8: 5 3 ; 19: 50 -, for colorful fruits, 13 : 4 - setigerum aurantiacum, 8 : Plate -, for different purposes, _13: 4 XIX,61,63;19: 50 -, for extreme southern part of - sieboldii, 11: Plate II, 13, 18; 19: Florida, 4: 56 49, 50, 52 ; 27 : Plate XXIV, 81 -, for eastern and northeastern Uni- - - reticulatum, 19: 52 ted States, 4 : 47 -, Snowball, Chinese, _19: 49 -, for extreme southern Texas and -, Snowball, European, 19: 49 southern Florida, 4 : 555 -, Snowball, Japanese, 19: 49 -, for flowers, _13 : 4 - tomentosum, 11: 20 -, for the Great Plains area, 40 4:- - - ’Lanarth’, 16 : 27 -, for ground covers, 13 :5

83 Vines, for the north central United Walker, E. H., l: 40 States, 4: 48 Walnut, Black, 1 : Plate VI, 50, 52, for the northwest Pacific 12: Plate -, coast, 4: 53;_2: 11; X, 26-29; 16:- 50 42 -, for southern California, 4: 52 -, -, and horticultural varieties, 12: -, for southwest Texas, semi-arid 26-28 area, 4_: 5 3 Japanese, 1: 54; 12: 30 -, frost resistant in San Francisco -, Persian, 1 : 52, 54; 2: 12 area, 4 : 511 -, -, and horticultural varieties, 12: -, hardiness note, 13: 7 22,28 -, Some of the Best, and Ground Walter, Nathaniel, _21: 78 Covers for Massachusetts Gardens, Walter, Nehemiah, 21: 76, 78 _13: 1-19 Walter Street "Berrying" Ground, -, (Some Ways Plants Climb), 28: The, _21: 75-82 Plate XVIII, Plate XIX, Plate XX, Wang, T., 8: 1, 2 Plate XXI, Plate XXII, Plate XXIII, Waring Blender, 13: 48 53-67 Washburn, Richard H., Alaskan -, twining, 13 : 4 Ornamentals and Fruits, 25 : 9-12 -, withstanding dry soil conditions, Washington, University of, green- 13 : 4 house, 5: Plate VII, 41 -, withstanding shade, _13: 4 Washingtonia robusta, 19: 67 Viola odorata, 22 : 54 Watercress, 22: 555 Violet, Sweet, 22 : 54 Water Fairy Flower, 2 : 2 Viscum, 19 : 73, 74 Watch the Elms,_7: 17-23 - album, 15: 71; 19: 69; 26: Plate Waxflower, 2: 8 III, 6; 29: 69-72 Wayside Gardens, 21 : 36 - laxum, 19: 72 Weather, 16 : 1 Visit the Arboretum in 16: March 1: 3 3- winter, - phenomena, 1941, - 60 34 Visqueen, 11: 50 Weavers, 28 : 64 Vitafilm, _l l : 49 Weber, Claude, Cultivars in the Vitis pests, 19 : 6, 9 Genus Chaenomeles, _23: 17-75 - -, Horticulture on Postage Wagenknecht, Burdette L., _18: 39; Stamps, 18: 29-38 21: 28, 50 Weed killers, 10 : 61-71; 16 : 5, 6 - - -, Christmas Plants around the Weeds of lawn and garden, 5: 56 World, 19: 59-77 Weeks, Edward, Our Disappearing - - -, Lilacs of New England, The, Opportunities, _27: 57-60 19 : 23-30 Weeping Willow, 12 : 45 - - -, Registration Lists of Cultivar - -, leafing dates, 10: 42; 12: 46 Names in the Genus Pieris, D. Weevils, _13 : 50 Don, 21: 47-50 Weigela ‘Bouquet Rose’,_8: 63 - - -, Registration Lists of Culti- - ’Centennial’, 27 : 66; 29: 8 var Names in Gleditsia, L.,_21: -, Check-list of Cultivar Names in, 31-34 _2 S : 49-69 Tree in the - florida 14 : 19 - - -, Legumes Arnold variegata, - Arboretum, The, 21 : 19-30 -’Gracieux’, 8: 63

84 Weigela ‘Othello’, _9: 4 Winter hardiness of species from Weigelas, 14: 10 Soviet Middle Asia, 27 : 5, 6 Weld, Lt. Daniel, 21: 80 - - of species introduced from Weld, Hannah, 21: 80 Japanese-Chinese Subregion, 27: Weld, Joseph, _21: 76, 80 Weld, Susanna, _21: 80 - hardy, not, useful even though, Hillcrest 20: 53- 26: 61-64 Weston, Gardens, - 67 - injury, 1: 34, 37, 38; 5: 2; _17: 13- WGBH-TV (Channel 2) Auction, 28: 16, 37-41 28 - - in the Arnold Arboretum, Wheeler, Wilfred M., 7: 13 ; _9: 5 3, 1942-1943, 3: 25-36 46 - - in ’Fedora’ Azalea, Plate 63;_22: _26:- - - -, The Holly Man, 14 : Plate XVII, 59 XIV, 65-72 - - not severe, 21: 43-46 White Flowering Rhodora, 1: 3, 4 - -, Rhododendron, _4: 17-20 White, Miss Elizabeth, 2 : 30; _8: 25 - - to flower buds only during win- White, Mrs. Wilfrid O.,_9: 63 ter, 1942-1943, 3 : 34 White fruits, woody plants with, 3 : -, plants killed to ground in 1942- 48 1943, 3: 28-30 - Pine weevil, 19: 2, 8 -, plants partially injured in 1942- Widdringtonia, 19: 74 43, 3 : 30-34 Wilford, B. W., 7 : 211 -, plants uninjured during winter Williams, Robert G., 5 : 3; 7: 2 1942-1943, 3 : 35-36 - - -, Arnold Arboretum Spray Winterberry, 5: Plate II, 11; 15: 67, Schedule, 19 : 1-10 78 - - -, and Alfred J. Fordham, Ar- Wintercreeper, 17: 66 nold Arboretum Spray Sched- Wintergreen, 15: 68; _17: 66 ule, the New Spray Materials, Wistar, Caspar, _9: 18 13: 69-84 Wister, John C.,_2: 33;_6: 8;_23: 833 Williamsburg, Va., Plants used prior - - -, Supplementary Registration to 1750, _ll: 75 List of Cultivar Names in Willow, Laurel, _l7: 22 Syringa, L., 23 : 77-83 - -leaf beetle, 1. 39; 19 : 4, 9 - - -, Tree Peony, 6 : 5-8 -, Purple, 16: 27 Wisteria ’Beni-Fugi’,1..: 26 Wilson, E. H., 6: 46;_7: 34;_9: 10, 11, - floribunda, 9 : 18 18;_21: 355 - - alba,_9: 24 Wilson Pearlbush, 28 : Plate II, 2, 5 - - carnea, 9: 26 Wind damage (hurricane), _14: 46, - - macrobotrys, 9 : Plate IV, Plate 47 V, 25, 26; _13: 10 Winter damage, 15: 133 -- macrostachya, 9: 233 - Foliage Color of Narrow-leaved - - rosea,_9: 19 ; _13 : 111 17-20 - - violacea Evergreens, 3: plena, -9 : 19 - hardening trends, 26: Plate XVI, - formosa, 9 : 18 58 - frutescens, 9: 18 -, hardiness map, 3: 533 - ‘Geisha’, 9: 27 - - -, modifications of, 27 : 6, 7 - ‘Isai’,_9: 17 - - of plants of various phenological - ‘Jako’,_9: 26 groups, 27: 4 - ’Kuchi Beni’, 9: 24 85 Wisteria ’Kyushaku’, 9: 233 Wood and the Trees, The, A Bio- - ‘Longissima’, 9: 24 graphy of Augustine Henry, by - ’Longissima alba’,_9: 24 Sheila Pim (Book Review) 26: 47 - macrostachya, 9 : 18 Wood, Carroll, E., Jr., 14: 32

- - - ‘Mrs. McCullagh’, 9: 27 -, Plant Collecting in the -, Murasaki Noda’, 9: 27 Southeastern United States, - ‘Naga Noda’, 9: 27 19: 45, 46

- ‘Rosecraft’,_9: 19 - - -, Some Cultivated Relatives of - ’Royal Purple’, 9: 27 the Camellia, 17: 1-12

- ‘Russelliana’, 9: 27 - - - and Richard A. Howard, - ’Sekine’s Blue’, 9: 27 Christmas Plants in the Boston - ’Shiro Noda’,_9-: 24 Area, _15 : 61-84 -’Sierra Madre’,_9: 28 Woodbine, Chinese, 22: 67 - sinensis, 9 : Plate IV, 18, 20 Wooden display label, 24: 10, 12 - - alba, 9 : 24 Woody cuttings, rooting, 10 : 33-38 - spp., 26 : 72 - Plant Seed Manual, 13: 411 - ‘Ushi Jima’, 9: 27 - Dates 10: 41- Plants, Blooming of, - - venusta, 9: 18 56

- - violacea, 9: 28 - -, distributed, 8: 9-12; 16 : 33-511 Wisterias, 9 : 17-28 - -, History of Introductions into -, culture of, 9 : 17, 18 North America,_6: 13-233 -, flower colors of, 9 : 24-28 - -, injured last year, list of, 1 : 38 -, 22 - -, killed to the fragrance of, 9: ground, list of, 1:- -, identifications of, 9: 21, 22 38 -, introduction of,_9: 18, 19 - -, observed after hurricane, 21: -, length of clusters, 9: 233 70-73 3 22 -, order of bloom,_9: - -, propagations of, by seed, 20: -, twining of,_9: 19, 211 3 3-40 Witch-hazel, Chinese,_16: Plate I, 2, - -, Seeds of, 13: 41-60 3 - sexes separate, 10: 81-85 -, native, 16 : 72 - -, sources for rare, 1: 5-19, 21-28 Witches’-brooms, Blueberry, High- - -, used in Colonial Williamsburg, bush, 27 : Plate VII, 311 11 : 75-78

- -, cones,_27: Plate XV, 41 - - with autumn color, _4: 41-43; - -, dwarf conifers from,_27: 29-50 12: 56, 58

- -, Pitch Pine,_27: Plate XI, 34, 36 - - with interesting bark in winter, - -, progeny, 27 : Plate XIX, 48, 49 7: 61-68; 18 : 57-64 - -, Red Pine,_27: Plate XI, 34, 36 - - with no autumn color, 4 : 43; - -, seeds and seedlings, 2 3 : Plate 12 : 58, 59 XVI, Plate XVII, Plate XVIII, World of Flowers, by H. Reisigle 42, 43, 45, 47 (Book Review) 26 : 46 - -, Plate VIII, 30, 32, 1: 39 Spruce, 27- : Worms, canker, 44 -, cut, _1: 3 9-40 - -, White Pine,_27: Plate IX, Plate Wreath, Arctostaphylos uva-ursi, 16: XII, Plate XIII, Plate XIV, 33, Plate XXI, 71, 72 37,39,40 -, Boxwood, 16: Plate XXI, 711 Wohlert, A. E., 9 : 23, 26

86 Wreath, cone, making of, 16 : Plate XIX, Plate XX, 61, 64-69 -, evergreen foliage, making of, 16: 61-64, 72 - -making materials, 18 : 5 3 - plants, 15: 61 -, White Pine, 16: Plate XVI, 633 Wyman, Donald, 29 : Supplement Wyman, Donald, and Harrison L. Flint, Plant Hardiness Zone Maps, 27 : S 3-56 Wyman, Florence, 29: 111-133 - - and Donald Wyman, Christmas Decorations from Woody Plant Materials, 16: 61-72; 29: 111- 1333

Xanthorhiza 13: simplicissima, - Plate VI, 17, 18; 14: 24

Yarrow, 22 : 52 Yellow fruits, woody plants with, 3: 47-48 Yellow labels, 17 : 3 3 Yew,16:62,64,72 -, Hatfield, 17: 25 -, Hicks,_17: 25 -, Japanese, 17: 24 - -, dwarf, 17: 24 Yews, fruiting of, 23: 119-122 -, in the Arnold Arboretum, 23: 120-122 -, in the Secrest Arboretum, 23: 120-122 -, 228, listed alphabetically accord- ing to sex, 23 : 120-122 Yorkshire Fog, 22: 52 Young, Robert A., Bamboos for Northern Gardens, 6: 29-42 Youngken, Heber, W., Medicinal Plant Garden of the Massachusetts College of Pharmacy, 2: 37-40 Yucca, 15: Plate XIV, 77, 78

Zelkova serrata, 26: Plate V, 8 - sinica, 26: Plate V, 8

87