155 



Fig. 431. Stipa macounii Scribn. Macoun Cat. Can. PI. 5: 390. 

 1890. (.S'. richardsonii A. Gray, 1856, not Link, 1833.) Macouk's 

 Stipa.— A slender, densely cjpspitose perennial 3 to 6 dm. high, 

 with very narrow leaves and few-dowered panicles 4 to 10 cm. 

 long. Empty glumes (a) about 4 mm. long, the pubescent flower- 

 ing glumes a little shorter than the empty ones. Awn, 8 to 10 

 mm. long.— Maine to Lake Superior and northward. July- 

 August. 



