320 



Fig. 302. Asperella hystrix (L.) Moench (Asprella \V. not 

 Schreb. ; Hystrix pat ula Moench; Gymnostichnm hystrix Schreb.). 

 Bottle Brush. — A smooth, csespitose perennial 6 to 12 dm. high, 

 with rather broad, flat leaves and terminal spikes 6 to 12 cm. long. 

 Spikelets widely spreading at maturity. — Fertile, rocky woods, 

 New Brunswick and Ontario to Georgia, Alabama, Arkansas, and 

 Minnesota. June-August. 



