303 



Fig. 599. Agropyron divergens Nees in Steud. Syn. PL Gram. 

 347. 1855. (Triiicum divergens Steud.) Wire Bunch-grass. — A 

 rigid and often wiry, densely tufted perennial 3 to 9 dm. high, 

 with narrow, flat, or involute leaves, and terminal, usually erect 

 spikes 8 to 20 cm. long. Spikelets rather distant, 3- to 6-flowered, 

 with rigid and usually acute empty glumes (a) about one-half as 

 long as the spikelet. Flowering glumes 8 to 10 mm. long with 

 widely divergent arms. — Dry, rocky soil and bench lands, Wash- 

 ington and Oregon to Montana, Colorado and Nevada. June- 

 Au«>ust. 



