148 



Fig 14'^ CAI^AMAGROSTIS CRASSIGL-CTMIS Thurb. in S. Wats. Bot. Calif. 

 2 • 281 1880 -A rigid, erect perennial 1.5-4 dm. (i°-U°) high, from creeping 

 rootstocks,Avath plane or involute leaves .5-10 cm. (2'-4') long, 3-6 mm. (U"--3") 

 wide and dense, oblong, spike-like panicles 4-6 cm. (U'-2i') long. Spikelets 

 (a b)' ovate, acute, 4-5 mm. {2"-2i") long, the outer glumes very firm m texture, 

 a little exceeding the broad flowering glume (c), which is awned just below 

 the middle; awn stout, as long as or slightly exceeding the glume. Callus 

 hairs (d) abundant, two-thirds as long as the glume.-Wet ground and gravelly 

 lake shores, California to Vancouver Island. July, August. 



Allied to a hyperborca, from which it differs in its small size, short and com- 

 paratively wide leaf-blades: small panicle; broad-ovate, acute, and very thick, 

 empty glumes. 



