320 NEW YORK STATE MUSEUM 



In dry woods and on banks, Maine and Ontario to Minnesota, south 

 to Georgia, Tennessee and Arkansas. Flowering from July to September. 



Lance-leaved Tickseed 



Coreopsis lanceolata Linnaeus 



Plate :!6oa 



An erect, perennial herb, i to 2 feet high, stems slender, striate, smooth 

 or more or less pubescent, especially below. Leaves smooth or somewhat 

 hairy, opposite; the basal and lower stem leaves spatulate or oblong, entire, 

 sometimes with a pair of lateral lobes, 2 to 6 inches long, on slender petioles; 

 upper stem leaves few, lanceolate to oblong, nearly sessile. Heads of 

 flowers usually few, i^ to 2^ inches broad, showy, bright yellow, borne on 

 long, slender peduncles often S to 12 inches long. Involucres rather flat- 

 tened, their bracts ovate-lanceolate, in two series, the outer narrower than 

 the inner but nearly as long. Ray flowers six to ten in number, wedge- 

 shaped, three to seven-notched at the apex, fomiing a single row around 

 the darker yellow disk. Achenes oblong, winged on the edges, with two 

 short teeth projecting from the summit, giving it somewhat the appearance 

 of a bug. ■ It is from this character of the achene that the generic name 

 Coreopsis, meaning " buglike," is derived. 



In moist or dry soil, Ontario to Michigan, south to New York, Mrginia, 

 Florida, Louisiana and Missouri. Flowering from June to August. 



Small Rose or Pink Tickseed 



Coreopsis rosea Nuttall 



Plate j6ib 



Stems slender, smooth, wiry, erect or at least the tips ascending, 6 to 

 24 inches high, perennial by slender, creeping rootstocks, usually much 

 branched and smooth. Leaves opposite, linear, entire, i to 2§ inches long, 

 sessile. Heads of flowers small, one-half to i inch broad or less, on slender 

 peduncles. Each head consisting of four to eight pink or rose-purple rays, 

 oblong to obovate and slightlv three-toothed or sometimes entire, sur- 



