181 



Fig. 163. Trisetum canescens Buckl. ; Brewer and Wats., Bot. 

 Calif., 2 : 296. Silvery Oat-gkass. — An erect perennial 3 to 12 

 dm. high, with flat leaves, and more or less densely flowered pan- 

 icles 12 to IX cm. long. — In dry, open ground, open woods, thickets, 

 and wet meadows, California to British Columbia, east to Mon- 

 tana. May-September. 



