CHRYSANTHEMUM 



Alphabetical list of species of Chrysanthemums de- 

 scribed below (many of these names are more familiar 

 as Pyrethrums): C. achilleaefolium, 1; anethifolium, 9; 

 atrosaiiguineum, 10 ; atiremn, i ; Balsamita, 12 ; Bur- 

 ridgeanum, 5 ; carinatum, 5 ; cinerariaefolium, 11; coc- 

 cineum, 10; coronarium, 7 ; corymbosum, 2; Dttnnetli,5; 

 fCBnicHtaceunijQ; frutescens, 8; hybrid urn, 10; Indicum, 

 19; Japoniciim , 19 ; lacustre, 15 ; latifolitim, 15 ; Leu- 

 canthemum, 18; maximum, 16; morifolium, 20; multi- 

 caule, 14; parthenifolium, 4 ; Parthenium, 3 ; prfealtum, 

 4; P.roseum, 10; C. segetum, 13; Sinense, 20; tri- 

 color, 5 ; Tchihatohewli, fi; uliginosum, 17; venustum, 5. 



A. Zrvs. cut to the midrib or nearly so, 



B. Fls.borne in corymbs, i.e., flat-topped, dense clusters. 



c. Says yellow. 



1. aohilleaeJolium, DC. {Ae'liillea aitrea. Lam.). Per- 

 ennial, 2 ft. high : stem usually unbranched, except along 

 the creeping and rooting base : stems and Ivs. covered 

 with fine, soft, grayish white hairs, oblong in outline, 

 about 1 in. long, iiin. wide, finely cut: rays 7-8, short, a 

 little longer than the involucre. Siberia, Caucusus.— 

 Rare in cult. Less popular than the Achilleas with larger 

 flower clusters. 



cc. Itays white. 

 D. stems grooved, striate, or angled. 



2. corymbdsum, Linn. Robust perennial, 1-1 ft. high: 

 stem branched :it tin- ajNX : l\ s. sometimes 6 in. long, 

 3 in. wide, widt>t ^ii iniM.ll. ;iii.l t;ipering both ways, cut 

 to the very midnli. iIm >ri;iii. nts alternating along the 

 midrib. Eu., N. Afn.a. ( au.asus. G. C. 11. 20: 201.- 

 Rare in cult. Si:'gnicnts may be coarsely or finely cut, 

 and Its. glabrous or villous beneath. 



3. Parthenium, Bernh. Fevekfew. Glabrous per 

 ennial, 1-3 ft. high : stem usually branched, especially 

 toward the top: flower chi-^t.r x.ini.tiiius very open and 

 loose, especially in cultivati.. II : tN. Sin. across, whitish: 

 rays twice as long as the invcjlui-r. : jiappus a minute 

 crown. Naturalized from Ku. an.l .-..aiici from old gar- 

 dens in Atlantic states.— The single fi.nn cult, in old 

 physic gardens, and the full double white form com- 

 monly cult, for ornament. Foliage has a strong, bitter 

 odor. The foliage plants commonly advertised under 

 this specific name belong to No. 4. 



DD. Stems not grooved or striated, 

 i. prae41tum, Vent. (P. parthenifdlium, WiUd.). Per- 

 ennial, 6 in. high or more : pubescent, or becoming 



CF.RYSANTHEMUM 



311 



nearly smooth: rays thrice as long as the involucre. Asia 

 Minor, Persia. Var. aikreum, Hort. {P.aiireum, Hort. ), is 

 the Golden Feather commonly used for 

 carpet 1 edd n It ha j ellow fol age 



aureum crispum, 



ti I I u 1 d like parsley. 



lac malum Ho t., are distinct 



glaucum Ho t., has dusty 



1 er unt 1 the second year. 



All the ■ - 



n lered not di; 



is h n m t h r 1 g u. Thire are 



full d ul 1 t m n yellow marg ned red, and white, 



ma g n d r 1 the fl 3 m across (see R H. 1874: 410). 



Se 1 o Cn p 440 10 p 213 and'l 319. R.H. 1874, 



p 41 S H 4 —The commonest and gaudiest of 



annual Chr santhemum ea Iv d t ngu shed by the 



k 1 d o r dged s ales of mvol ere and the dark purple 



disk. " Carinatum" means "keeled." 



cc. Disk yelloxv. 



D. Height less iJian 1 ft. 



6. Tchih^tchewii, Hort. Turfing Daisy. Densely 



tufted plant for carpeting dry, waste places. Height 2-9 



