184 



Fig. 166. Avena mortoniana Scribn. ; Bot. Gaz., 21:133. 

 Moiiton's Oat-grass. — A deusely ca'spitose, erect perennial 1 to 

 2.r> dm. high, with rather rijjjid leaves and narrow, sinqile i)ani- 

 cles of one- to two-llo\vt!red si)ii\elet8. — At 3,900 to 4,200 m. alti- 

 tude, mountains of Colorado. August. 



