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Iris Society, Delphinium Society, 139 East 69Th St., 417 Woodmen Accident Bldg., New York, N The NATIONAL HORTICULTURAL MAGAZINE --......--..:.. .. ---.- ---- -----.,r ~-- - - - JOURNAL OF THE AMERICAN HORTICULTURAL SOCIETY OCTOBER, 1937 The American Horticultural Society PRESENT ROLL OF OFFICERS AND DIRECTORS April 12, 1937 OFFICERS President, Mr. B. Y. Morrison, Washington, D. C. First Vice-President, Mrs. Charles Walcott, Washington, D. C. Second Vice-President, Mrs. Fairfax Harrison, Belvoir, Fauquier Co., Va. Secretary, Mrs. Eugene Ferry Smith, Bethesda, Md. Treasurer, F. J . Hopkins, Washington, D. C. DIRECTORS Terms Expiring in 1938 Terms Expiring in 1939 Mrs. J. Norman Henry, Gladwyne, Pa. Mr~. Robert Woods Bliss, Washington, D. C. Mrs. Mortimer J. Fox, Peekskill, N. Y. Mrs. Dement S. Houghton, Chestnut Hill, Dr. ]. Horace McFarland, Harrisburg, Pa. Mass. Mrs. Chester Welles, Washington, D. C. Mrs. Arthur Hoyt Scott, Media, Pa. Mrs. William Holland Wilmer, Washing- ton, D. C. HONORARY VICE-PRESIDENTS Mr. James H . Porter, Pres., Mrs. Clement Houghton, American Azalea & Camellia Society, American Rock Garden Society, Macon, Ga. 152 Suffolk Road, Chestnut Hill, Mass. Mr. Tom H. Smith, Pres., Mr. Leonard Barron, Pres., American Hegonia Society, American Rose Society, 3601 East Broadway, 2049 Grand Central Terminal, Long Beach, Calif. New York, N. Y. Dr. Edgar T. Wherry, Pres., Mr. Howard E. Gates, Pres., American Fern Society, Cactus & Succulent Society of America, University of Pennsylvania, 6162 N. Figueroa St., Philadelphia, Pa. Los Angeles, Calif. Dr. H. H. Everett, Pres., Mr. Edward Steichen, Pres., American Iris Society, Delphinium Society, 139 East 69th St., 417 Woodmen Accident Bldg., New York, N. Y. Lincoln, Nebr. Mrs. John H. Cunningham, Pres., Mr. Chas. F. Wassenberg, Pres., Herb Society of America, American Peony Society, 53 Seaver St., Van Wert, Ohio. Brookline, Mass. SOCIETIES AFFILIATED WITH THE AMERICAN HORTICULTURAL SOCIETY 1937 Alexandria, Virginia, Garden Oub, American Fuchsia Society, Mrs. Charles Holden, Miss Alice Eastwood, Secretary, Rosemont, California Academy of Sciences, Alexandria, Va. Golden Gate Park, San Francisco, Calif. American Amaryllis Society, Bethesda Community Garden Club, Wyndham Hayward, Secretary, Mrs. B. T. Elmore, Winter Park, Fla. 103 Locust St., Bethesda, Md. American Begonia Society, California Garden Oub Federation, Tom H. Smith, President, Miss E. Marlow, Lib., 3601 E. Broadway, 992 S. Oakland, Long Beach, Calif. Pasadena, Calif. Publication Office, 32nd St. and Elm Ave., Baltimore, Md. Entered as second-class matter January 27, 1932, at the Post Office at Baltimore, Md., under the Act of Au,gust 24, 1912. California Horticultural Society North Carolina Garden Club, Miss Cora R. Brandt, Secr~tary, Miss C. S. Black, 485 California St., Wake Forest, N. C. San Francisco, Calif. Northern Nut Growers Association, Chestnut Hill Garden Club. Dr. G. A. Zimmerman, Pres., George Baldwin, Lib., 32 S. 13th St., Heath St., Ha·r6sburg, Pa. Chestnut Hill, Mass. Ohio Association of Garden Clubs, Chevy Chase (D. C.) Garden Club. Mrs. Silas B. Waters, Mrs. J. E. FLtzgerald, 2005 Edgecliff Point, 5519 Chevy Chase Parkway, Cincinnati, Ohio. Chevy Chase, D. C. Chevy Chase (Md.) Garden Club Rock Garden Society of Ohio, Mrs. Richard F. J ackson, Pr~s. , Mrs. Frank Garry, 5 Oxford St., 5800 Wyatt Ave., Chevy Chase, Md. Kennedy Heights, Cincinnati, Ohio. Cleveland Garden Center, East Boulevard at Euclid Ave., St. George's Garden Club, Cleveland, Ohio. Baltimore, Md. Takoma Horticultural Club, Dayton Garden Center, Takoma Park, D. C. % Dayton Art Institute, Dayton, Ohio. The Federated Garden Club of Cincinnati and Vicinity, Fauquier and Loudoun Garden Club, Mrs. Bart H. Hawley, Mrs. John T . Cochran, 242 Greendale A venue, The Plains, Va. Cincinnati, Ohio. The Garden Club of Darien, The Little Gate Garden Club, Darien Free Library, Greensboro Public Library, Darien, Conn. Greensboro, N. C. Garden Center Institute of Buffalo, Sta. H, Box B, The Little Garden Club of Sandy Spring, Buffalo, New York. Mrs. Wm. Hough, Sandy Spring, Md. Garden Club of Kentucky, Mrs. T . F. Roemele, The San FranciscC! Garden Club, 3214 Wren Road, Room 133, FaIrmont Hotel, Louisville, Ky. San Francisco, Calif. Garden Club of Ohio, Town and Country Garden Club of Cleveland Mrs. Frank B. Stearns, Mrs. W. H. Wood, • 15830 S. Park Blvd., Anderson and Green Road, Cleveland, Ohio. S. Euclid, Cleveland, Ohio. Garden Department. Hemet Women's Club, Trowel Club, Mrs. David K. ' White. Mrs. Theodore Joslin, Pres., Box 564, Hemet, ·Calif. 4934 Indian Lane, Washington, D. C. Georgetown Garden Club, Mrs. Edmund M. Talcott, Washington Garden Club, 3229 R St., N. W., Mrs. Frederick H. Taylor, Washington, D. C. 817 Prince St., Alexandria, Va. Lake Washington Garden Club, Mrs. J. M. Blackford, Woodridge Garden Club, 3048 E. Laurelhurst, 'Woodridge Branch Library, Seattle, Wash. Washington, D. C. Magnolia Circle, vVorcester Co unty H orticultural Society, 950 Bay St., N. E., 30 Elm Street, St. Petersburg, Fla. vVorcester, Mass. [ i ] The National Horticultural Magazine Vol. 16 Copyright, 1937, by THE AMERICAN HORTICULTURAL SOOIETY No.4 OCTOBER, 1937 CONTENTS Garden Ecology. R. S. STURTEVANT ........................................................ 219 Sun Roses and Rock Roses. SYDNEY B. MITCHELL. ............................... 224 Iris in the Garden, 1937. SHERMAN R. DUFFy...................................... 229 Training the Kwanzan ·Cherry Tree. VV. E. WHITEHOUSE ................... 236 For Better Tulips, Omit Fertilizers, R. M. CARLETON .......................... 249 Rhododendron N otes .................................................................................. 253 Rhododendron catabiense album. POWELL GLASS ............................ 253 Some Azalea N otes. JOSEPH B. GABLE ............................................ 253 Notes. CLEME NT G. BOWERS .................................................... _ ........ 256 Rhododendron se1Tulatu111 . .................................................................. 260 A Book or Two ............................................................................................ 261 The Gardener's Pocketbook: Thalietnm~ roeh ebru111·a ll"ll111. F. E. McILVAINE .............................. 264 A Dilemma and A Question. F. E. McILVAINE .............................. 266 Que1'Cus Robblr var. peetillata. BERNARD HARKNESS ...................... 266 his t£nguiettlaris. ROBERT C. iON CURE ............................................ 268 Aq'L£ilegia longissi11la. ROBERT C. MONCURE .................................... 268 Agastae he eana .................................................................................... 268 H yme·nocallis A 1na'l I-we s .................................................................... 270 H ymenocallis ea1--ibaea ........................................................................ 272 Hip peastrU11'L ea lyp tratum .................................................................. 272 L onie em s emp e1'V i1' e1'1s ........... ............................................................. 274 Cole h-ieu1ns ............................................................................................ 274 A Chance to Save the American Chestnut ................................................ 276 Index ............................................................................................................ 277 Published quarterly by The American Horticulbural Society. Publication office, 32nd St. and Elm Ave., Baltimore, Md. EdLtorial office, Room 821, Washington Loan and Trust Building, Wash· ington, D . O. Oontributions from all members .. re cordially invited and should be sent to the Editorial office. A subscription to the magazine is included in the annual dues to aU members; to non-members the price is seventy-five cents the copy, three dollars a year. [ ii ] Garden Ecology R. S. STURTEVANT TI-IE gardener seeks success with tained as in nature many efforts are plants. To one, success may be a due to a transitional stage. selected plant grown to perfection; My interest is primarily in a maxi­ to another it is a group of plants so mum effect with a minimum amount arranged as to please the eye. In of care and my ten to twenty year either case we must consider both experience is wholly in New England the needs of the plant for varying though with two very different types amounts of light, air, and water at of soil; the first a very light gravelly various seasons and our own require­ loam, the second a rather poor and ments as to ease of culture and de­ poorly drained -clayey loam. Natu­ sired effect. rally there have been areas of sun Each plant has ·certain periods of and shade, low wet spots and high active growth that alternate with pe­ dry slopes, and varying amounts of riods of rest. In the tropics or un­ root competi tion of different sorts, der cultivation activity may be al­ and yet so difficult is it to analyze most continuous. To the far north the conditions that I know not how or in certain types of vegetation the to classify my experiences in a way resting period is prolonged. We gar­ that may prove helpful. den in a certain climate but we may Over large areas cat-tails or wil­ seek to maintain optimum conditions lows, alders or larch may indicate to secure a maximum growth of flow­ varying amounts of wetness in the ers (and weeds) or we may prefer to lowlands and nut trees or white pines make the most of what nature pro­ relatively good well-drained areas vides and thus limit our plant mate­ but within the limits of a yard we rial.
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