303 



Fig. 297. SCRIBNERIA BOLANDERI ( Thurb. ^ Hack. Bot. Gaz. 13:105. 

 1888. {Lepturus bokmderi Thurb. Proc. Am. Acad. 7 : 401. 1868.)— A slender, 

 purplish, wiry, caespitose annual 1-2 dm. (4'-8') high, with short, narrow leaves 

 and terminal, slightly compressed spikes. Spikelets («, b) 4-6 mm. (2"-S"} long, 

 single or sometimes two at each joint of the rachis; empty glumes very thick 

 except at the scarious margins, flowering glumes (c) membranous, keeled, bear- 

 ing a .stout awn between the teeth at the apex. Palea (d) hyaline, 2-nerved, 

 2-keeled, exceeding the glume. Rachilla very short, extended as a short! 

 tufted awn (c). The grain is shown by f.— Sterile grounds, hillsides, and road- 

 sides, Washington to California. May. 



