436 



EXPERIMENT STATION BULLETIN. 



Fig. 236 (207) . 



Black-eyed Susan. Yellow Daisy. Rudbeckia hirta L. A very rough, bristly, hairy, erect, bi- 

 ennial, 30-80 cm. high; each stem bearing a single head; leaves narrow, 3-5-nerved; ray flowers orange 

 yellow, often darker at the base, center of the head dark purple, very rarely green. Dry soil, a na- 

 tive in the state; introduced east mixed with clover seeds. 



