Verbesina 



Compositae 



979 



Map 2141 

 Adinomens alternifolia IL1 DC 



0" 50 



Map 2142 



Verbesina helianthoides Michx 



~T0 



Map 2143 



Coreopsis lanceolata L 



common throughout the state, although there are no reports from the 

 northwestern counties. It is a coarse weed preferring moist situations, and 

 found usually in alluvial soil along streams in open woodland and pastures. 

 N. Y. and Ont. to Iowa, southw. to Fla. and La. 



9218. VERBESINA L. Crownbeard 



1. Verbesina helianthoides Michx. (Phaethusa helianthoides (Michx.) 

 Britt.) Map 2142. Infrequent in the southern part of the state. It is 

 generally found on open black and white oak slopes and less frequently on 

 level ground in sandy soil in open woodland and along roadsides. 



Ohio to Iowa, southw. to Ga. and Tex. 



9227. COREOPSIS L. 



[Sherff. Revision of the genus Coreopsis. Field Mus. Nat. Hist. Publ. 

 Bot. Ser. 11: 277-475. 1936.] 



Leaves entire. 



Plants essentially glabrous 1. C. lanceolata. 



Plants pubescent, at least the leaves and base of the stem 



la. C. lanceolata var. villosa. 



Leaves not entire. 



Leaves sessile, deeply 3-cleft, but not to the base 2. C. palmata. 



Leaves petiolate (at least the lower ones). 



Style tips truncate or nearly so; outer involucre shorter than the inner; rays yellow 

 with a more or less crimson brown base; achenes linear-elliptic, about 2 mm 

 long, wingless; leaves bipinnately parted, the segments linear-lanceolate to 



linear; annual. (See excluded species no. 672, p. 1101) C. tinctoria. 



Style tips cuspidate; outer and inner involucres nearly equal; rays yellow the 

 entire length; achenes winged; leaves 3-5-parted; perennial. 

 Rays palmately lobed; achenes orbicular, about 2-5 mm long; lower leaves simple. 



3. C. grandiflora. 



Rays entire, blunt; achenes elliptic, mostly 5-6 mm long; none of the leaves 

 simple. 



