. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. DAHLIA 449 all the florets were sterile. D. arborea has never been sufficiently described, but plants hare been cultivated for many years under this name. The tree forms of Dahlias are not sufficiently known. AA. Height medium, averaging S ft., commonly from 2-5 ft., rarely exceeding these extremes. B. Lvs. onc
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. DAHLIA 449 all the florets were sterile. D. arborea has never been sufficiently described, but plants hare been cultivated for many years under this name. The tree forms of Dahlias are not sufficiently known. AA. Height medium, averaging S ft., commonly from 2-5 ft., rarely exceeding these extremes. B. Lvs. once pinnate: stem not branching from the base: habit erect c. Stems not glaucous rays fertile D. Bays of the siiioJ fi t , â,, 1 ,t the margins of the donhl r6sea,Cav. {/).!., nal of practically al 1 I ii is larly the Single, I'o i i "-' ' I ' J types. It is therefori thi i unit t thi \ ist majority of the horticultural virieties Lvs typically once pinnate sometmies bipmnate leaflets ovate, toothed broader and coarser than in the other species B R 1 55 B M is a wondertullv variable speties Some plants are densely hairy others scarceh at all. The lvs. are sometiiiKs liipmmti. m parts of plants or throughout m ntir jlint In double forms the rays u i IK 1 \ 1 i tive pistUs. Many gardin t nii \\ \ In cous stems. Some auth i h \ ! ul t I whether this species is di tiULt ti m /' cinea, but the two types are very distmtt particularly in the garden although there are intermediate forms m nature DD. Bays of the single fls with recurved mar (jins: of the double fls not cupped, but Inttij, flat and pointed, and some at leant irith recurved margins Juarfizii, Hort. (/> Tuarfsii Hort ) Figs 665, 666. The parent of the pure Cactus D ih lias. These all originated from one plant which was flowered m Europe for the fii t time in 1864, and first pictured m G C II 12:433 (1879). 1879 383 Gn 18, p 589 19:283; 50, p. 236. cc. stems glaucous rays not fertile coccinea, Cav. Fig
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