303 



Fiu. 599. Agropyrou diveigens Nees in Steud. ISyu. PI. (jram. 

 347. 1855. {TrUicum dinrgeiis Steud.) Wire Bunch-grass. — A 

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

 with narrow, i\ni, or involute leaves, and terminal, usually erect 

 spikes « to 20 cm. long. Spikelets rather distant, 3- to 6-tiowered, 

 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 lauds, Wash- 

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

 August. 



