101 



Fig. 95. ORYZOPSIS EXIGUA Thurb. ill Wilkes V. S. Explor. Exped. 17: 

 481. 1874. LITTLE MOUNTAIN RICE.— A slender, native perennial 1..5-4 dm. 

 (6'-16') high, with filiform leaves and narrow, simple, few-flowered panicles 2-6 

 cm. (l'-'2i') long. Branches short, appressed. Empty glumes (b) 4-5 mm. {2"-2i") 

 long, nearly equal, and abruptly mucronate-pointed, a little longer than the 

 thinly pubescent flowering glume {c,d); callus short and obtuse; awn about 

 4 mm. (2") long, twisted below. Palea as long as its glume and similarly hairy. — 

 Among rocks in canyons and on mountain tops, Montana and Wyoming to 

 Utah, Oregon, and Washington. June to August. 



