194 



Fig. 490. Calamagrostis vaseyi Beal, (Irasses N. Am. 2 -.'Mi. 

 1890. Vasey's Rked-gkass.— a densely cicapitose, erect peren- 

 nial, 6 to 7.5 dm. Ligh, with flat and rather rigid leaves and con- 

 tracted, spike-like, often interrnpted panicles to 8 cm. long. 

 .Spikelets abont 4.5 mm. long; flowering glume 3 mm. long with 

 a nearly straight awn 3 to 4 mm. long.— Mountains of Washington 

 and Oregon. July, August. 



