372 CORDYLINE 



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COREOPSIS 

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C0BE6PSIS (Greek, signifying bug-like, from the 

 fruit). Gomp6sita>. Tickseed. Annual or perennial 

 herbs, flowering in summer and autumn. Nearly all na- 

 tives of eastern N. Amer. Lvs. cither opposite or alter- 

 nate : heads pedunculate and radiate ; the broad in- 

 volucre with bracts of two l<inds, the outer narrower and 

 greener, receptacle chaffy ; rays very showy, yellow 

 particolored or rarely rose, neutral : disk fls. yellow, 

 brown or dark. The genus differs from Bidens only in 

 the broad, flat and winged akenes, with short or obso- 

 lete pappus. Many of the species are in the trade under 

 the name Calliopsis. All the kinds are of easiest cul- 

 ture. The perennials are hardy border plants. The an- 

 nuals are raised in any garden soil, and bloom freely 

 with little care. They are all showv plants. 



Index: angustifolia, 2 ; aristosa, 16; aurea, 17; auricu- 

 lata, 6; bieolor, 4; cardaminefolia, 3; coronata, 8; del- 

 phinifolia, 13; Drummondii, 5; elegans, 4; grandiflora, 

 9; lanceolata, 7 ; major, 10; marmorata, 4; palmata, 12; 

 pubescens, 6; rosea, 1; tinctorla, 4; trichosperma, 15; 

 tripteris, 11; vertieillata, 14. 



I c e lark p }le rnji yello c or 



J t t I d elje I 1 1 nl 1 bed 



B O tr t er I br els X rj 1 ort tnang tlar 



2 angustiidha \ t I rcnn al str ct ai 1 tall 1-3 



ft higl glibroi I ir h Irii cl e 1 at tl c sun n it : 



Ks alternate ent r( thi k h b al f e ^ or * ng, 



lower c lulii e elliptical on long petioles, ij . r i arrowly 



spatulate, sessile or reduced to bracts : heads 1-1.5 in. 



broad; rays entirely yellow: akene with lacerate wings 



and setiform awns. Southern U. S. 



3. drdaminefdlia, Torr. & Gray. Annual : low and 

 diffusely much branched from the base, (>-18 in. high, 

 glabrous : basal lvs. numerous-petioled, pinnatifid, di- 

 visions narrowly elliptical, becoming linear in tlie upper 

 lvs. : heads as in the next, but smaller, and often en- 

 tirely dark : akenes winged, smooth ; pappus none. 

 Southern U. S. 



4. tinctdria, Nutt. (C. blcolor, Reich. C (legans, 

 Hort. Cnlli6psismar»iorAta,'iioTt.). Fig. 549. Annual: 

 stem strict, 1-3 ft. high, branched only at the summit^ 

 glabrous: basal lvs. wanting, cauline opposite, sessile, 

 pinnatifid, divisions all long and narrowly linear: heads; 

 %-\%m. broad, small ; rays with dark purple base : 

 akenes oblong, wingless, smooth. Cent. U. S. B.M. 

 2512. B.R. 10:846. Mn.l:85. — Acommon garden annual; 

 showy and good. Var. n&.na, Hort. Dwarf, low and com- 

 pact. Tom Thumb varieties. 



Var. atropurptlrea, Hook. (C. nigra, Hort,). Rays al- 

 most entirely dark. B.M. 3511. 



BB. Outer involncral bracts narrowly linear, 

 equalling the inner. 



5. Drummondii, Torr. & Gray (C. diversifdlia, Hook. 

 C. plfla,iioTt.). Golden Wave. Annual: stem strict, 

 branched above, 10-18 in. high, sparsely hirsute below: 

 basal lvs. wanting, cauline petioled, pinnatifid, divisions 

 short, broadly elliptical, those of the upper lvs. linear: 

 heads 1-2 in. broad, large ; rays usually dark at the 

 base: akene oval, thick, wingless, smooth; pappusnone. 

 Tex. B.M. 3474. S.B.P.G. II. 4; 315. 



AAA. Disk yellow or brown: rays entirely yellow 



{except rarely Ifo. 8). 



B. Rays wedge-shaped, lobed at the apex: peduncles 



6-16 in. long, naked. 

 c. Lvs. all entire or with a few basal lobes : large. 



6. pub§scen3, Ell. (C. auricuUta, Schk. and Hort.). 

 Perennial: tall, 1-4 ft. high, branched above, pubescent 

 or nearly glabrous, more leafy than the following species : 

 lvs. thickish, basal wanting, obovate-oval to oblong- 

 lanceolate, very acute, petioled or nearly sessile, entire 

 or with small, acute, lateral lobes; outer involncral 

 bracts lanceolate, nearly as long as the inner : akenes 

 similar to those of the next species. Southern U. S. 



7. lanceol4ta, Linn. Fig. 550. Perennial : low, 1-2 

 ft. high, sparingly branched, glabrous or nearly so: lvs. 

 few, opposite, mostly near the base, oblong-spatulate to 

 linear, petioled, mostly obtuse, entire (rarely with a few 

 lateral lobes): heads 1.5-2.5 in. broad ; peduncles very 

 long, outer involucre equaling the inner: akenes orbic- 

 ular, papillose, broadly winged; pappus minute or obso- 

 lete. Eastern U. S.-Used extensively for cut fls. 



Var. angnstiSdlia, Torr. & Gray. Low : stems seapl- 

 form: lvs. narrow and crowded, 2-4 lines wide. 



Var. vill6sa, Michx. Lvs. spatulate-obovate to ob- 

 long, villous, as is also the .stem, with jointed hairs. 

 cc. Lvs. mostly pinnatifid, small. 



8. coronita. Hook. Annual: low and often weak, 12- 

 18 in. high, much branched from the base, sparsely hir- 

 sute: lvs. opposite, basal numerous petioled, pinnatifid, 

 divisions ovate, lateral much smaller ; cauline few, re- 



