135 



Fig. 117. Alopecurus occidentalis Scrihn. ( A . pratenais alpestria 

 A. Gray). Mountain Foxtail. An erect, rather slender grass 

 6 to 9 dm. high, with shorter aud thicker heads thau those of 

 Meadow Foxtail. Wet meadows aud hanks of streams, high moun- 

 tains of Montana, Idaho, Wyoming, and Colorado. June-Septem- 

 ber. A valuable hay grass. 



