CHRYSANTHEMUM 



Alphabetical list o£ species of Chrysanthemums de- 

 scribed below (many of these names :\n- moiv familiar 

 as Pvrethrums): C. achillea?folium, 1: an. 1111^.1111111, 'J ; 

 atrosinigiiiiieiim, 10; au,rHni,i; HaNaimia, IL' ; liiir- 

 ridi/miiitm, 5 ; carinatum, 5 ; cineraria iiilinin, II; n.o- 

 cineum, 10; coronarium, 7; corymboMim. J ; Iht h 1,. Iti .')-. 

 fcenieHlaceum,9; frutescens, 8; hybriihiiH. Id; hi.liiiiiii, 

 19; Japonicum, 19 ; lacustre, 15 ; Uilif'ihtun. 1,1: L.u- 

 canthemum, 18; maximum, 16; moril.iliuni, 2m; nnilti- 

 caule, 14; parthenifolium, i ; Partheniuni. :i ; pra^altum, 

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

 color, 5 ; Tchihatchewii, 6; uliglnosum, 17; venustum, 5. 



A. iis. cut to the midrib or nearly so. 



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



c. Hftys ifcllow. 



1. acMlIeaefdlium, DC. {Achillea aiimi. Lam.). Per- 

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

 the creeping and rooting base : stems and Ivs. covered 

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

 about 1 in. long, >iin. 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. J^ays white. 

 D. Stems tjrooved, striate, or angled. 



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

 stem branched at the apex : Ivs. sometinirs r. in, long. 

 3 in. wide, widest at middle and tapi-riim l"iili ways, cut 

 to the very midrib, the segments alhriiaiiim aluiiLT tlic 

 midrib. Eu., N. Africa, Caucasus. 1 .. c. 1 1. 2ii : Linl. - 

 Rare in cult. Segments may be coarsely ur tiucly cut, 

 and Ivs. glabrous or villous beneath. 



3. Parthenium, Bernh. Feverfew. Glabrous per- 

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

 toward the top: flower cluster sometimes very open and 

 loose, especially in cultivation: fls. %\ii. across, whitish : 

 rays twice as long as the involucre : pappus a minute 

 ci'own. Naturalized from Eu. and escaped from old gar- 

 dens in Atlantic states.— The single form 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. praeiltum. Vent. {P. parnienifdUnm,^]!^.). Per- 

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



CERYS ANTHEM UM 



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

 Minor, Persia. Var. aiureum, Hort. (P. a»(r»wi,Hort. 

 the Golden Feather commonly used for 

 carpet bedding. It has yellow foliage, 

 which becomes green later in the season, 

 especially if flowers are allowed to form. 



It is used toi edgmgs Fig 459 Var afireum crispum, 

 Hort , IS dwarf, compact, with foliage culled like parsley. 

 Var selaginoldes and var lacimitum, Hort , are distinct 

 horticultural forms "S ni glaucum Hort , has dusty 

 white foliage and d 1 s n 1 II w 1 iiitil the second year. 

 Int. by Damman & < I Ml il se varieties are 



prop by seeds— This 1 1 n 1 kied not distinct 



from No 3 by Voss m \ iliii m i luraengartnerei. 

 BB Fh boine smglij, on the blanches 01 stems. 

 c Disk da-}k purple 



5. cannatum, Scho 

 Glabr us innuil 2 ft 

 rathii H sh\ tl^ il 



fii l» \n(\ ) Fig. 460. 

 t I 1 1 h branched : Ivs. 

 nil tvpically white 

 rays in I i\ell « lu 1 mer These two 



coloi t , till 1 \Mtli il lisk gave rise to 



the name tiictl 1 II 1 |i 1 1 uu mtioduced into 

 EngUnd from Moroi_L in 1 Is ,\ i pictured m B.M. 508 

 (li99) Bv IS06 signs rf doubling appeared (F. S. 

 11:1099) In 18 jb shades ot red m the rays appeared in 

 a strain introduced by F K Buiiidge, of Colchester, 

 Eng , and known as C Bio 1 id(ji()rnim, Hort (see B.M. 

 5095, which shows the ring of red on the rays, adding 

 a fourth coloi to this remarkably brilliant and varied 

 flower and F S 13 1313 which Us sb hs r rinustum, 

 Hort , in which the ravs an 1 1 1 

 original yellow ciicle at the b 1 

 is another name for the kinds \\ 1 

 maroon or purple (R H 1869 i 

 is the name of another seed gi \ 1 I 

 full double forms in yellow mai^^intd 

 margined red the fls 3 in acioss (see 

 See, also, Gn 2b p 440 10, p 213 and 21 

 p. 412 S H 2 477 -The commonest and gaudiest of 

 annual Chrysanthemums, easily distinguished by the 

 keeled or ridged scales of involucre and the dark purple 

 disk 'Carinatum means "keeled ' 

 cc DtsL uellou 

 D fftK/ht leis than 1 ft 

 6. Tchihitchewii, Hort Turfivo Daisy Densely 

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



