308 



Fig. 302. ASPERELliA HYSTRIX (L. j Humb. in Roem. and Ust. Mag. Bot.7: 

 5. 1790. {ElymushystrixL.^^.P\.ed.2. 124. 1762: HystrixjJatula Moench.M.eth. 

 295. 1794.) BOTTLE-BRUSH.— A smooth, csespitose perennial 6-12 dm. (20-4°) 

 high, with rather broad, flat leaves, and terminal spikes 6-12 cm. (2i'-5') long. 

 Sheaths smooth or minutely scabrous above; leaf-blades 12-25 cm. (5'-10') long, 

 6-16 mm. (3"-8") wide, scabrous. Spikelets (a) about 1 cm. (i') long, at firs*- 

 erect, but widely spreading in fruit; empty glumes awn-like, usually present 

 in the lower spikelet, which they sometimes equal in length; flowering glumeh 

 (5) 8-12 mm. (4"-6") long, acuminate into a scabrous awn about 2 cm. {!'] 

 long.— Fertile, rocky woods, New Brunswick and Ontario to Georgia, Alabama^ 

 Arkansas, and Minnesota. June to August. 



