490 



COMPOS1TAE. 



VOL. III. 



i. Coreopsis lanceolata L. Lance-leaved 

 Tickseed. Fig. 4492. 



Coreopsis lanceolata L. Sp. PI. 908. 1753. 

 Coreopsis lanceolata var. angustifolia T. & G. Fl. N. 

 A. 2: 344. 1842. 



Perennial; stem slender, glabrous, or sparingly 

 hispid near the base, i-2 high. Leaves glabrous, 

 the lower and basal ones slender-petioled, spatu- 

 late or narrowly oblong, very obtuse, 2'-6' long, 

 entire, or with 1-3 lateral obtuse entire lobes; 

 stem leaves few, sessile or nearly so,- lanceolate 

 or oblong, obtuse or acutish, usually quite entire ; 

 heads few or solitary on elongated slender pedun- 

 cles, ii'-2i' broad, showy; peduncles often 12' 

 long; involucre depressed-hemispheric, its bracts 

 glabrous or ciliate, lanceolate or ovate-lanceolate, 

 the outer narrower than the inner, but nearly as 

 long ; rays 6-10, bright yellow, cuneate, 3-7-lobed ; 

 achenes oblong, broadly winged, about i" long; 

 pappus of 2 short teeth. 



In dry or moist soil, Ontario to Virginia, Michigan, 

 Illinois, Florida, Louisiana and Missouri. Escaped 

 o from cultivation eastward. May-Aug. 



2. Coreopsis crassifolia Ait. Thick-leaved 

 or Hairy Tickseed. Fig. 4493. 



Coreopsis crassifolia Ait. Hort. Kew. 3: 253. 1789. 

 Coreopsis lanceolata var. villosa Michx. Fl. Bor. Am. 

 2 : 137. 1803. 



Perennial; stem hirsute or villous-pubescent 

 below, ascending, little branched, 8'-2o' high. 

 Leaves rather thick, hirsute or pubescent, all 

 entire, the lower and basal ones petioled, oblong 

 to obovate-spatulate, mostly very obtuse, i'-3' 

 long, 4"-io" wide ; stem leaves few, short-peti- 

 oled or sessile, obtuse or acutish, narrower ; heads 

 few, i '-2' broad, borne on slender, puberulent pe- 

 duncles often i long, similar to those of C. lan- 

 ceolata, as are the rays, involucral bracts and 

 achenes. 



Dry soil, Illinois and Missouri to Kansas, Louisi- 

 ana, east to South Carolina and Florida. May-Aug. 



3. Coreopsis pubescens Ell. Star Tick- 

 seed. Fig. 4494. 

 C. pubescens Ell. Bot. S. C. & Ga 2: 441. 1824. 



Perennial; stem pubescent or puberulent, leafy, 

 little branched or simple, erect, 2-4 high. Leaves 

 firm in texture, pubescent or glabrous, entire, or 

 some of them 3-5-lobed or divided, the basal and 

 lower ones slender-petioled, obovate-oval, obtuse, 

 the upper short-petioled or sessile, broadly lan- 

 ceolate or oblong, acute or acutish, 2'-3' long; 

 heads few, i'-ii' broad, long-peduncled ; invo- 

 lucre depressed-hemispheric, glabrous, star-like, 

 its lanceolate obtuse or acute outer bracts nearly 

 as long as but much narrower than the ovate 

 inner ones ; rays 8-^10, yellow, cuneate, lobed at 

 the apex ; achenes similar to those of the preced- 

 ing species or broader. 



In dry woods, Virginia to Illinois and Missouri, 

 south to Florida and Louisiana. June-Aug. 



