123 



Fig. 117. ALOPECURUS OCCIDENTALIS Scribn. Bot. Gaz. 1 1 : 170. 1886. {A. 

 pratensis alpestris Thiirb. in A. Gray, Proc. Acad. Nat. Sci. Phila. 1863 : 79. 1863, 

 not Wahl. 1812. (MOUNTAIN FOXTAIL.— An erect, rather slender grass 6-9 dm! 

 (2°-.3°) high, with shorter and thicker heads than those of Meadow Foxtail. 

 Spikelets (a) 3.5-4.5 mm. (lj"-2i") long, compressed; empty glumes acute, long, 

 silky-hairy on the keels and pilose on the sides; flowering glume {b) a little 

 shorter than the empty ones, pubescent near the apex, and awned from below 

 the middle; awn about 6 mm. (3") long.— Wet meadows and banks of streams, 

 high mountains of Montana, Idaho, Wyoming, and Colorado. June to Sep- 

 tember. 



A valuable hay grass for no^-thern latitudes. 



