266 



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

 Tliurb. in Brewer and S. Wats. Bot. Calif. 2 : 314. {Jlrizopurum 

 doiifilassii Hook. & Am.) Douglass' Sand-grass.— A slender, 

 tnl'ted perennial, 1.5 to 3 dm. high, from long, creeping root- 

 stocks, with nnmerous, convolute radical leaves, ilat culm leaves, 

 and densely llowerod panicles 2 to 4 cm. long. Spikelets 3- to 5- 

 flowered, about 8 nun. long, witli 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-wo(dly 

 bp,],,^v. — In sands along the coast, California and northward. 

 May. 



An excellent sand binder. 



