. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . 1205. Clustered roots of thegarden dahlia. arborea has never been sufficiently described as abotanical spe
. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . 1205. Clustered roots of thegarden dahlia. arborea has never been sufficiently described as abotanical species, but plants have been cult, for manyyears under this name. Var. anemonasflora, of lilac or yellow tubular florets; rays flat. AA. Plant medium, averaging 3 ft., commonly from 2-5 ft., rarely exceeding these extremes. B. Lrs. once pinnate: st. not branching from the base: habit creel. C. <S/. usually not glaucous: rays fertile. D. Rays of the single fls. not recurved at the margins; of the double fls. never flat, but cupped. rSsea, Cav. (D. variabilis, Desf. D. Bdrkerise and D. Roi/leaiia, Knowl. <t Westc? D. superflua. 206. Dahlia rosea tor D. variabilis). (XH) D. purpiirea, Poir. D. nana. Andr. D. crocata, corondta. Hort). Fis. 1206. Lvs. typically oncepinnate, sometimes bipTnnate; Ifts. ovate, toothed,broader and coarser than in the other species. 1885.—The original of practically all theold-fashioned dahlias, particularly the Single, Pompon,Show and Fancy types. It is therefore the parent ofthe vast majority of the horticultural varieties. Thisis a wonderfully variable species. Some plants aredensely hairy, others scarcely at all. The lvs. are some-times bipinnate in parts of plants or throughout anentire plant. In double forms the rays usually haveabortive pistils. Many ganlen forms have glaucoussts. Some authors have doubted whether this speciesis distinct from D. coccinea, but the two types are verydifferent in the garden,
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Keywords: ., bookcentury1900, bookdecade1910, bookpublis, booksubjectgardening
