EXPERIMENT STATION BULLETINS. 



425 



Fig. 236 (207) . 



Black-eyed Susan. Yellow Daisy. Rudbcckia Mrla L. A very rougli, bristly, hairy, erect, bi- 

 ennial, 30-80 cm. higli; eacli stern 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. 



