434 



COMPOSITAE. 



[Vol. Ill, 



8. Coreopsis lanceolata L. Lance- 

 leaved Tickseed. (Fig. 3932.) 



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

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

 N. A. 2: 344. 1842. 



Perennial; stem slender, glabrous, or spar- 

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

 glabrous, the lower and basal ones slender-peti- 

 oled, spatulate or narrowly oblong, very obtuse, 

 2 / -6 / long, entire, or with 1-3 lateral obtuse en- 

 tire lobes; stem leaves few, sessile or nearly so, 

 lanceolate or oblong, obtuse or acutish, usually 

 quite entire; heads few or solitary on elongated 

 slender peduncles, i^' -2 ^' broad, showy; pe- 

 duncles often i2 / long; involucre depressed- 

 hemispheric, its bracts glabrous or ciliate, lan- 

 ceolate or ovate-lanceolate, the outer narrower 

 than the inner, but nearly as long; rays 6-10, 

 bright yellow, cuneate, 3-7-lobed; achenes ob- 

 long, broadly winged, about 1" long; pappus of 

 2 short teeth. 



In dry or moist soil, western Ontario to Virginia,. 

 Florida, Louisiana and Missouri. May-Aug. 



9. Coreopsis pubescens Ell. 



Coreopsis pubescens FH. Bot. S. C. & Ga. 2: 441. 



1824. 



Perennial; stem pubescent or puberulent, 

 leafy, little branched, or simple, erect, 2-4 

 high. Leaves 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 lanceolate or oblong, acute or acutish, 

 2 / -3 / long; heads few, i'-iJ^' broad, long-pe- 

 duncled; involucre depressed-hemispheric, gla- 

 brous, 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 preceding species or broader. 



In dry woods, Virginia to Illinois and Missouri, 

 south to Florida and Louisiana. June-Aug. 



Star Tickseed. (Fig. 3933.) 



10. Coreopsis crassifolia Ait. Thick- 

 leaved or Hairy Tickseed. (Fig. 3934.) 



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, S / -20 / high. 

 Leaves rather thick, hirsute or pubescent, all 

 entire, the lower and basal ones petioled, oblong 

 to obovate-spatulate, mostly very obtuse, t / -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, puber- 

 ulent peduncles often i long, similar to those 

 of C. lanceolata, as are the rays, involucral 

 bracts and achenes. 



Dry soil, Illinois to Louisiana, east to South 

 Carolina and Florida. May-Aug. 



