Download e-book for iPad: Manual of Cultivated Conifers: Hardy in the Cold- and by P. den Ouden

Nonfiction 8

By P. den Ouden

As an creation to the current ebook i need to provide an explanation for the way it was once, that I, a advertisement nurseryman, grew to become so keenly attracted to Conifers and their nomen­ clature. In August 1924 the Dutch Dendrological Society used to be based and even as a Committee for Nomenclature of woody vegetation was once arrange and that i served in this committee as one of many individuals. Our first job was once to deliver the catalogues of a number of the prime nurserymen within the Netherlands into line with the overseas ideas of Botanical Nomenclature and in addition to envision their nursery inventory. previously those catalogues had proven a slightly harassed nomenclature, nurserymen having often made use of quite a few inconsistent books as publications in compiling their catalogues. during the paintings a detailed co-operation among clinical and useful employees constructed. even though I had additionally absolutely contributed to the proper naming of hardy shrubs and perennials, 1 was once such a lot drawn to Conifers. I had attempted out numerous species, had grown a large number of backyard varieties and chosen forms of specific benefit for propagation. My precise love for Conifers bring about the book of my Name-list of Conifers (1937), which used to be followed as a typical for varietal names on the overseas Horticultural Congress in Berlin (1938). Later I ready my e-book 'Coniferen, Ephedra en Ginkgo' within the Dutch language (1949); compiling the Conifers cultivated or recognized to be grown within the Netherlands and Belgium at that time.

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Extra info for Manual of Cultivated Conifers: Hardy in the Cold- and Warm-Temperate Zone

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Exce/sa) is not hardy but grown in pots and tubs as a small house plant. - - cv. 'Albospica' A. exec/sa var. ) Rehd. (1923) 244: Elitacta exec/sa a/hospica Senecl. (I S6S) 3S: A. exce/sa variegata a/ha Carr. (I 867) 61 I ; A. we/sa 'Si/rer Star' Bail. & Raff. , Stand. Cycl. Am. Hort. I: 395 (1914). Leaves and shoots silver-variegated, often becoming green. - - cv. 'Aurea Variegata' i::I1/acta exalsa allrea varicf[a/a Carr. (1867) 611; A. excelsa mricf[a/a Gord. (1875) 46. Differs from 'Glauea' by its branehlets and leaves which are strongly striate with pale yellow.

A. pinsapo Boiss. in BioI. Univ. Geneve 13: 402 (r838). Spanish Fir. 5 cm wide, entire; bracts hidden, small; seeds obovate-ovoid, angular, 7 mm long, dark brown; wing obovate-ovoid, 15 mm long, top 10 mm wide, thinly membranous, light brown. A. pinsapo grows in a limited area in the mountains ofSerrania de Ronda at an altitude of rlOO- 1200 m, on the Sierra d'Estepone and on the Sierra de las Nieves; Amer. Zone VI. Introduced in 1837 by Boissier who sent seeds to the Vilmorin nurseries, France.

Known in cultivation since 19 29. 42 Abies sibirica - - var. nemorensis A. sachalinensis var. nemorensis Mayr, (1890) 42; A. wilsonii Miyabe & Kudo in Trans. Sapporo Nat. Hist. Soc. 7: 132 (1919). 5 mm wide. Introduced in 1914. According to Hillier, Cat. 1949: 166 the leaves resemble A. veitch ii, but they are longer and less silvery beneath, and the plant is subject to injury by spring frost. A. sibirica Ledeb. Fl. Alt. 4: 202 (1833); A. pichta Forb. (1839) 113. Siberian Fir. Tree slender, pyramidal, 40 m; bark blackish-grey, smooth, with numerous resinknobs; branch lets yellowish-grey, minutely pubescent, seldom glabrous; winter-buds small, globose, brownish-yellow, strongly resinous; leaves very soft, crowded and directed forward on upper side of branchlets, linear, 10-15 mm long, the laterals up to 32, sometimes to 40 mm long, all about I mm broad, usually very flat, rounded or bifid at apex, grooved above, often with 2-3 short lines of stomata near apex; with narrow greyish bands beneath; cones sessile, cylindrical, 5-8 cm long, 3-4 cm broad, purplish when young, light brown at maturity; scales broadly wedge-shaped, fimbriated on the sides; bracts hidden; seeds obovate-ovoid, 6-7 mm long; wing 10 mm long, thinly membranous, purplish.

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