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Fig. 554. Poa gracillima Vasey, C'ontrib. Nat. Herb. 1 : 272. 

 1893. Slender Speak-grass. A smooth, densely tufted, erect 

 perennial, with soft, narrow, flat leaves and open panicles 8 to 10 

 cm. long. Spikelets (a) 3-to5-Howered, 6 to 8 mm. long, with rather 

 distant llorets, acute empty glumes and obtuse flowering glumes, 

 which are 3 to 4 mm. long and scabrous or pubescent on the keel 

 and nerves below. Dry, rocky soil on ridges and mountain sides, 

 central and northern California to Washington and British Colum- 

 bia. May-August. 



