DESCRIPTIVE MANUAL 



339 



Fig. 196-A. Distribution of Ox-eye. 



Black-eyed Susan, Nigger-head, Cone-flower (Rudbeckia hirta L.). 



Description. — A rough, hairy biennial 1-2 ft. high with stems 

 simple, or branched, bearing a long pedunculate head ; leaves 

 nearly entire, the upper sessile, oblong or lanceolate, the lower 



Fig. 197. Black-eyed Susan (Rudbeckia hirta). Common in sandy fields 

 (Photographed by Colburn.) 



