DAHLIA 



i)-c« has never been 

 are been cultiTated 

 The tree fonns of 



:. suOir 



all the florets were sterile. 

 sufficiently describtd, Imt 

 for many years u 

 Dahlias 



AA. Seight medium, .u-mnjlmj .-; ft., commonly from 

 S-5 ft., rarely exceeding these extremes. 

 B. Lvs. once pinnate: stem not branching from the 60, f 

 habit erect. 

 c. Stems not glaucous : rays fertile. 

 D Bays of the single fls not recurved at the margins 

 of the double fls neier flat, but cupped 

 rosea Civ (7) i andbihs , Dest ) Fig 663 The 

 „ I I |i II llN ill the old fashioned Dahlias, 

 1 ~ Pompon '^hovi' and Fancy 



1 I 1 t ri the piient of the vast 



,1 , 1, rtKuItiml vinetus Ivs 



DAHLIA 449 



often rising 2-3 ft. above the foliage. The rays are very 

 short and often roundish, with a short sharp point in- 

 stead of 3 minute teeth. There are no red, yellow or 

 white forms in nature. The roots of this and D. coccinea, 

 being slenderer than those of 1). rosea, must be pre- 

 served with greater care during winter. 



D. Zimapani. See Cosmos diversifolius. W.M. 



Propagation.— There are four methods by which 

 Dahlias are propagated : by cuttings (an important 

 commercial method) ; by division of roots (the amateur's 



1885 - 1 1 

 Some pi 1 

 at all 1 

 parts ot I 

 In doul.l 



COUS sti 



whether 1 



liDUt an entiie pHnt 

 s usualh have aboi 

 u forms have glau 

 rliors have doubted 

 list met from D cot 

 s ire very distinct 

 11 ilthough there are 



DD Bays of the single fls with recui 1 1 d m, 

 gins, of the double fls noteiipjnd 1 

 long, flat and pointed, and ^oiiu 

 least uith leiuned maiguis 



Juar«zu, Hort (/> Tua)fzu,B.ort 1 li 

 €65, 666 The parent of the pure C n tiis 1) 

 has These all originated from oir j 1 i 

 which was flowered in Europe foi the h 

 time in 1864, and first pictured m G C 

 12 433 (1879) P M 1879 383 Gn 18, p 51 

 19 283, 50, p 23b 



cc Stim\ glaucou!, lays not fettile 



coccinea, C av Fig 667 , see B M 762 

 (1804) Alwa\s more slender than Z> josea, 

 with niriowtr It ifl( ts and in the wild at 

 least, (1« It II 11 till D rosea The 



color nil 1! 1 and does not in 



elude Willi t i>f purple or crim 



son Til I m scarlet through 



orange tu \ 11 1 1 n 1 nl I t ims 



and it has bttu ti (ii ni 1 1 1 H 1 il 1 [ t 

 cies will not h-slm h I lu 



named varieties p lui 1 1 nd 



533 (1881), which ti. .inihn, ,1 I tn 



be varietieb of D comnta iie piobd h „ar 

 den forms of D rosea The only characters that 

 tamly distinguish D coccinea from D tosea arc 

 • glaucous stems and infertile rays of the former, 

 these characters break down in garden forms. . B. M. 

 762. Gn. 19: 270. G.C. II. 12: 525. 



BB. Lvs. twice pinnate: stems branched from the base: 

 habit spreading. 



MSrckii, Lehm. (D. glabr&ta, Lindl.). Fig. 668; 

 confer B.M. 3878 (1841). Height 2-3 ft.: roots much 



slender than those of I). 



and 



pinnate: floral bracts 

 i-iillafr: outer involu- 

 ' . I. II. l;i: 270 (1881). 

 I I ml. and is worth 

 111 - Si Ills of species 

 ■ \i. ■• In Pringle have 



n Ill station lately. 



'lla^T makes it vastly 

 i"lia-e III' most of the 

 .( il..-.- stedlings had 

 liage. The plants are 

 much dwarf er and wider spreading than most florists' 

 Dahlias, and show no stem while growing. The branched 

 flowering stems are remarkably long, slender and wiry, 



665. The orieinal Cactus DahUa (XK). 



Photographed and reduced from the Gardeners' Chronicle, 



where it was first pictured. 



method); by grafting to perpetuate rare kinds; and by 

 seeds, to produce new varieties. 



Dici.iioii of /("oofs. —This is the easiest and most sat- 

 isfactory to amateurs. As the eyes are not on the 

 tubers, but on the crown to which the tubers are at- 

 tached, care must be taken that each division has at 

 least one eye, otherwise the roots will never grow. It 

 is, therefore, best to start the eyes by placing the roots 

 in a warm, moist place a short time before dividing. 

 The ront< are sometimes placed in a hotbed, and shoots 



thii 



'Ills mellii"! is u-eil iiiaiuly liy eommercial 



he attention a few cuttings would require 

 I af that it would be cheaperto buy plants. 

 I'lanred closely in benches in the green- 

 .Jaimary, and cuttings are made from the 



