GENERA OF GRASSES OF THE UNITED STATES. 143 
the glumes; glumes about equal; lemma equaling or longer than the 
glumes, 3-nerved, often bearing a slender awn just below the tip. 
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Fie. 79.—Hare’s-tail grass, Lagurus ovatus. Plant, * 4; spikelet and floret, 5. 
Tall cespitose perennials, with open, narrow, or spikelike panicles. 
Species 15, northern South America to Mexico, 5 extending into the 
southwestern United States, 
