318 



Fig. 614. Elymus macounii A'asey, Bull. Torr. Bot. Club, 13 : 

 119. 1886. Macoun's LyiME-grass. A slender, upriglit, smooth, 

 Ciespitose perennial 3 to 8 dm. high, with narrow, erect leaves and 

 slender, nearly cylindrical spikes 6 to 10 cm. long. Spikelets 1- to 

 3-flowered, with narrowly lanceolate empty glumes (a) 8 to 10 mm. 

 long. Rather moist soil, South Dakota to Colorado and Montana. 

 [British Columbia.] .Tune-August. 



