April 1959 the National HORTICULTURAL Magazine
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TIIE NA-TIONA-L ~GAZINE JOURNAL OF THE AMERICAN HORTICULTURAL SOCIETY, INC. * April 1959 The National HORTICULTURAL Magazine to accumulate, increase, and disseminate horticultural information *** OFFICERS EDITOR STUART M. ARMSTRONG, PRESIDENT B. Y. MORRISON Silver Spring, Maryland MANAGING EDITOR HENRY T. SKINNER, FIRST VICE-PRESIDENT Washington, D.C. JAMES R. HARLOW MRS. WALTER DOUGLAS, SECOND VICE-PRESIDENT EDITORIAL COMMITTEE Chauncey, New York 6- Phoenix, Arizona '·V. H . HODG E, Chairman EUGENE GRIFFITH, SECRETAR Y JOHN L. CREECH Takoma Park, Maryland FREDERIC P. LEE MISS OLIVE E. WEATHER ELL, TR EASU RER CONRAD B. LINK Olean, New York 6- Washington, D.C. CURTIS MAY DIRECTORS The National Horticultural Maga zine is the official publication of the Tel'ms Expiring 1959 American Horticultural Society and is Donovan S. Correll, T exas issued four times a year during the Frederick W. Coe, California quarte rs commencing with January, April, July and October. It is devoted Miss Margaret C. Lancaster, Maryland to the dissemination of knowledge in Mrs. Francis Patteson-Knight, Virginia the science and art of growing orna Freeman A. Weiss, District of Columbia mental plants, fruits, vegetables. and related subjects. Original papers increasing the his Terms Expiring 1960 torical, va rietal, and cultural knowl John L. Creech, Maryland edges of plant materials of economic Frederic Heutte, Virginia and aesthetic importance are wel R alph S. Peer, California comed and will be published as early as possible. The Chairman of the Edi R . P. White, District of Columbia torial Committee should be consulted Mrs. Harry Wood, Pennsylvania for manuscript specifications. Reprints. saddle-stapled, will be fur nished in accordance with the follow Emeritus ing schedule of prices. plus postage, Mrs. Robert Woods Bliss, DistTiet of Columbia and should be ordered at the time the Mrs. Mortimer J . Fox, New York galley proof is returned by the author: Mrs. J. Norman Henry, Pennsylvania Copies 2 pp 4 pp 8 pp 12 pp Covers Mrs. Arthur H oyt Scott. Pennsylvania 100 $6.60 12.1 0 25.30 36.30 12.10 Entered as second class matter in the post office at Baltimore, Maryland . in accordance with the Act of August 24. 19 12. Additional entry for Washingon. D .C .• was authorized July 15. 1955. in accordance with the pro visions of Section 132.122. Postal Manual. A subscription to The National Horticulural Magazine is included as a benefit of membership in the American H orticultural Society. the dues being $5.00 a year. The National Horticultural Magazine VOL. 38 Copyright, J 959, by THE AMERICA N HORTICULTURAL SOCIETY, INC. No. 2 APRIL 1959 CONTENTS A Portfolio of Lily Portraits. Introduction and Descriptive otes by FREDERIC P. LEE ._____________________ 61 The Flowering Dogwood on Long Island, New York. WILLIAM J. TvlILLER 82 The Cultivated Eugenias in American Gardens, Part I. EDWIN A. MENNI 'GER ___________________________________________ . __ ._______________________ ._. ___ ._ 92 Wilt-Resistant lVIimosa Trees. D. L. GILL ____________________ . __________ . ___ . ________ . _____ 105 A Book or Two _______ ._________________ . __ . _________ . ________ . _________________ ... _____ ._____________ . ____ .. _. ___ _ 108 The Gardeners' Pocketbook Two New Hybrid Yellow vVaterlilies __________________ ._________________ .___ ._. ____ . ________ 114 A Black Leaf Turflily ________________________________________________________ . ____ . ______ .__ . ________ 115 Zep hyranthes atamasco _________________________________________________________________________ ______ 116 Extremely Dwarf Apple Trees ________ __ ________________ _______ ____________ .. ______ ._. ___________ 116 Experience With One Pre-Emergence Herbicide ________________________________ . __ . 118 ] u no Iris ________________________ _________________________ .___________________________ ____________ ____ __ __________ 118 Addi tional Notes on Lycoris _______________________________________________ .______________ . ___ .. _.. 120 G 10 ri os as _____ __________________________________________ _______ ____ __ _________________________ . ___ . _______ . __ ._____ 121 Concerning the Incidence of Tree Seedlings _____________ ._______ . ______________________ 122 COVER ILLUSTRATION, SEE PAGE 61 Pfeiffer Lily (L. martagon X L. hanson i) Hybrids Norma E. Pfeiffer, until her recent retirement, a botanist with the Boyce Thompson Institute for Plant Research at Yonkers, New York, is the breeder of many fine lilies. H er group of the same parentage as the Backhouse Hybrids has stalwart plants with stiff stems, fine foliage, and large flower spikes. The flowers are yellow and pinkish yellow, heavily spotted, with outside of the petals pinkish. Introduced in 1956 by Straw berry Hill Nursery. Other fine Martagon-Hansoni Hybrids are found in the named clones and the seedling strains of Edgar L. Kline and F. L. Skinner. G. HA lI.·IPFLER . LONCWOOD G:\RDF.NS Nymphaea 'Aviator Pring' See, " T wo N ew H ybrid Yellow fVaterlilies," Page 11 4 A Portfolio of Lily Portraits Here are a few suggested lilies for both the beginning lily gardener and the space age specialist desirous of rocketing to lily fame. For the beginner there are shown in this Portfolio: Aurelian and Backhouse Hybrids and hybrids of Lilium davidi var. willmottiae and L. X macula tum; for the specialist, L. nepa lense, L. ochmceum, and L. balzeTianum, and CaTdio cTinum giganteum. With several of these latter some lily growers of the Northwest Pacific Coast area are already doing well. Intermediate in difficulty of their cultural problems are L. canadense, L. testaceum, and the L. auratum X L. speciosum hybrids. One detail to facilitate understanding of the nomenclature used in a few of the accompanying notes- Among the dwarf and shorter stemmed lilies there is a group of Japanese garden hybrids and derivatives that now go under the name of Maculatum Hybrids (L. X mandatum), probably hybrids of L. dauTicum and L. conca lOT. The Maculatum Hybrids include such lilies as have been known as L. elegans and L. thunueTgianum and their numerous named varieties; also European crosses of the Japanese garden hybrids with L. bulbiferum and its variety cro ceum, sometimes known as Hollandicum Hybrids (L. X hollandicum) or Umbellatum Hybrids (L. X umbellatum) . Here we refer to them all as L. X macula.tum. They all have erect, upward facing flowers in yellow, orange, and orange red. Some have stoloniferous bulbs running under ground like those of one of the parents, L. dauTicum. Many of the photographs used for the Portfolio and much material for the notes have been furnished by A. D. Rothman, proprietor of the Straw berry Hill Nursery, Rhinebeck, New York. The gardener interested in lilies will find much help in the series of American Lily Yearbooks. Those for 1939, 1940, 1942, and 19461 were pre p ared by the Lily Committee of the American Horticultural Society of which L. H . MacDaniels of Ithaca, N ew York, was chairman, and published by the Society. The activities of this Committee resulted in the formation of the North American Lily Society in 1947.2 Since tha t time the NALS h as issued the Yearbook annually and George L. Slate of Geneva, New York, present president, has edited the series3 throughout its life. Cultural data will be found in the Yearbooks and in the NALS Special Publication No.3, GTOw ing Lilies fTom Seed.-FREDERIC P. LEE. lCopies of each in AHS Library. 20rganized "to promote interest in the genus Lilium, scientific research in its breeding and culture, sta ndard ization of its varietal names , the dissemination of in fo rm a tion concerning the above, and to promote such other purposes as may advance th e culture of lilies." Calendar Yea r Dues : Regular: $4 . U. S., $3 . Overseas; Sustaining: $5. or more. Life Membership: $100. Write to E. F. Stokes, 21 Oa kland Street, Lexington 73, Massachusetts. ·Number I ( 1947 ) through N umber II ( 1958), copies of each in AHS Library. Nos. 1·6. $2. each. 3 for $5.; Nos. 7·10, $3. each; No. II, $4. Available frem Mr. Stokes. r61 ] 62 THE NATIONAL HORTICULTURAL MAGAZINE Lilium sargentiae The Aurelian Hybrids are a good group for beginning lily gardeners, combining sturdiness, endurance, and beauty. They are crosses of the Sargent Lily shown above and the Henry Lily (L. henryi). The July blooming Sargent Lily from western China grows three to six: feet with nodding trumpets white within and reddish purple, brownish, or greenish without. The Henry Lily from central China grows up to ten feet tall but it is floppy. It has nodding turkscap orange flowers that bloom in August. The original Aurelian cross (L. aurelianense) by Edouard Debras of France, flowered in 1928. APRIL 1959, VOLUME 38, NUMBER 2 63 A urelian Hybrid of Sunburst Type Several American hybridizers have recently developed fine Aurelian hybrids of both the trumpet and sunburst (flaring) types. Above illustrated is a new Aurelian from a cross of L. sargentiae hybrids and L. henryi. The flower is a clear lemon yellow, unspotted, and seven inches across. The plant is five feet tall and blooms in Augus.t. Some shade is needed to prevent bleaching. Among the fine Aurelians (some have L. centifolium as well as L. aurelianense blood) are the named clones and the seedling strains of Carleton Yerex, Mrs. William T. Wears, Jan de Graaff, Edgar L. Kline, L. N. Freeman, Leslie Woodriff, Tom Barry, and E. F. Palmer. 64 THE NATIONAL HOllTICUL TURAL MAGAZINE WALT£.R 8. WILDER Lilium hansoni The Backhouse or Martagon-Hansoni Hybrids are another good group for the inexperienced lily enthusiast. The Hanson Lily and a white form of the Martagon Lily (L. martagon) were the basic cross. The Hanson Lily comes from Korea. The height is three to four feet and the nodding turkscap flowers are orange yellow and spotted brown; the petals are very thick, .. .The Martagon Lily ranges across Europe to Siberia except in the far North. The nodding flowers of turkscap form come on three to six feet stems and are a pale to a deep red purple. There are unspotted and white varieties.