317 



Fig. 299. Agropyron scribneri Vasey ; Beal, Grasses N.Am., 

 2 : (338. A densely ca-spitose perennial 2 to 5 dm. high, with 

 ascending culms, flat leaves, and bearded spikes 5 to 7 cm. long, 

 which readily break up at maturity. Summits of mountains 

 (alt. I,800to4,200 m.), Montana to Colorado and Arizona. August. 



