174 



Fig. 156. Deschampsia elongata (Hook.) Muiiro; Beal, 

 Grasses Js. Am., 2 : 371. Slendeu Hair-ghass. — A slender peren- 

 nial 3 to 12 dm. liii^li, with narrow })aiiicles 15 to 38 cm. long. — 

 Montana to British Columbia and southward on the Pacitic Slope 

 to Mexico. May-Angnst. 



