257 



Fig. 553. Poa unilateralis Scribn. iu Vasey 111. N. Am. Grasses, 

 2= : No. 85. 1893. One-sided Blue-grass. — An erect, densely 

 tufted, leafy perennial, 2.5 to 5 dm. high, with soft, narrow, basal 

 leaves and densely flowered, usually one-sided panicles 2 to 6 cm. 

 long. Spikelcts 4- to 7-flowered, with acute glumes, the floral 

 ones 4 mm. long, a little pubescent near the base, but not webbed. — 

 Bluffs along the coast, California. April, May. 

 19819— No. 17 17 



