182 



b *ia 



Fig. 164. Trisetum cernuum Trin. ; Beal, Grasses N. Am,, 2 : 

 379. Nodding Oat-grass. — A slender perennial 6 to 10 dm. high, 

 with rather broad, flat leaves and loosely flowered, nodding pani- 

 cles 12 to 20 cm. long. — Alaska to northern California and 

 ward to Idaho. May-July. 



