179 



Fig. 161. Trisetum raontanum Vasey ; Beal, Grasses X. Am., 2 : 

 37i». Rocky Mountain < >at-gbass. — A slender, erect, or ascend- 

 ing native grass 3 to 8 dm. high, with narrow, Hat leaves and 

 many-flowered, more or less contracted panicles 8to 12 cm. long. — 

 Mountains of Colorado and New Mexico. July, August. 



