186 Order CAMPANULALES 
Grand Island; Nebraska City; Niobrara; Valentine; Wahoo; Weeping 
Water. 
3. Verbesina (Eclipta). 984. 
1. Verbesina alba L. 
Along streams in the southeastern part of the state. Crete; Lincoln. 
4. Rudbeckia. 985. 
Hispid; leaves sparingly serrate or entire. 1. R. hirta. 
Glabrous or nearly so; lower leaves pinnately parted or pinnatifid. 
2. R. laciniata. 
1. Rudbeckia hirta L. Black-eyed Susan. 
A common weed in the eastern part of the state. Aten; Cherry 
county; Lincoln; Nebraska City; Newark; New Helena; Pine Ridge; 
Plainview; Plummer Ford; Valentine. 
2. Rudbeckia laciniata L. Tall Cone-flower. 
In woods and thickets in the southeastern part of the state. Frank- 
lin; Lincoln; Nebraska City; Newark; Riverton; Saltillo; Wahoo; 
Wymore. 
5. Ratibida (Lepachys). 988. 
Disk twice as long as thick; leaf segments lanceolate. 1. R. pinnata. 
Disk 3-4 times as long as thick; leaf segments linear. 
2. R. columnaris. 
1. Ratibida pinnata (Vent.) Barnhart. Cone-flower. 
Bluffs and ravines along streams in the southeastern part of the 
state. Bellevue; Nebraska City; Nemaha; Peru; Wymore; Weeping 
Water. 
2. Ratibida columnaris (Sims) D. Don. Prairie Cone-flower. 
Common in dry soil over most of the state. Anselmo; Aten; Bel- 
mont; Broken Bow; Cherry county; Kearney; Lincoln; Mullen; Pine 
Ridge; Squaw canyon; Valentine. 
6. Echinacea (Brauneria). 989. 
1. Echinacea angustifolia DC. Nigger-heads. 
Brauneria pallida (Nutt.) Britton. 
Common on dry prairies throughout the state. Aten; Lincoln; Ne- 
braska City; Squaw canyon; Weeping Water. 
7. Helianthus. 990. 
Sunflowers. 
Disk brownish or dark purple; receptacle flat or nearly so. 
Annuals; leaves mostly alternate. 
Leaves serrate; bracts of the involucre broadly ovate to oblong, 
hispidly ciliate. 1. H. annuus. 
Leaves entire or nearly so; bracts of the involucre lanceolate or 
oblong-lanceolate, seldom ciliate. 2. H. petiolaris. 
Perennials; leaves mostly opposite. 3. H. subrhomboideus. 
Disk yellow; receptacle convex or low conic; perennials. 
Stems glabrous or sometimes pubescent or puberulent above. 
Leaves narrowed at the base, broadest at about the middle. 
10. H. grosseserratus. 
eee or truncate at the base, broadest below the 
middle. 
