266 



Fig. 562. Poa douglassii Nees, Ann. Nat. Hist. 1: 284. 1838. 

 Thiirb. in Brewer and S. Wats. Bot. Calif. 2 : 314. {Brhopyriim 

 doHf/lassii Hook. & Arn.) Douglass' Saxd-grass. A slender, 

 tnfted perennial, 1..5 to 3 dm. liigli, from long, creeping root- 

 stocks, with numerous, convolute radical leaves, flat culm leaves, 

 and densely flowered panicles 2 to 4 cm. long. Spikelets 3- to ;")- 

 flowered, about 8 mm.. long, with acute empty glumes (a c) and 

 acute flowering glumes which are 6 mm. long, ciliate-pubescent 

 on the keel above, and softly hairy or more or less crisped-woolly 

 below. In sands along tlie coast, Calilornia and northward. 

 May. 



An excellent sand binder. 



