261 



Fig. 557. Poa purpurascens Vasey, Coult. Bot. Gaz. 6 : 297. 

 1881. Purple-top Blue-grass. — A tufted, erect, somewhat wiry- 

 perennial, 2.5 to 3.5 dm. high, with flat leaves and rather densely 

 flowered panicles 1 to 6 cm. long. Spikelets ovate, 3- to 5-flowered, 

 5 to 7 mm. long. Floral glumes obtuse, minutely scabrous on 

 the back and hispid-ciliate on the keel. — Moist hillsides and 

 meadows, California northward to British Columbia. July, 

 August. 



