141 



Fig. 135. AGROSTIS HUMILIS Vasey, Bui. Torr. Bot. Club, 10 : 21. 1883. 

 {A. varians Trin. Agrost. 2 : 314. 1841, not Thuill. 1790. A dwarf slender 

 perennial, 6-12 cm. (2i'-5') high, with short, flat leaves and contracted, pur- 

 plish panicles 2-3 cm. (f-li') long. Spikelets (a) about 2 mm. (1") long, with 

 nearly equal, acute, empty glumes (6) which slightly exceed the broadly 

 obtuse flowering glume (c).— Moist meadows or mossy and springy places, at 

 2,100 to 3,000 m. (7,000O-8,000°) altitude, on the mountains of Colorado, Wyo- 

 ming, Washington, Oregon, and Montana. August, September. 



