No. 50. 

 ORCUTTIA GREENEI Vasey. Rot. Gaz. xvi. 140. 



Plant apparently animal, in snnill tufts of about a dozen culms from a root. 



Culmn erect or ascendiiig, rigid, terete, finely ])ul)eseent, 5 to 10 inches liijili. 



Leari'H of culm 5 to 8; slieatlis ojjen, loose, striate, pubescent or somewliat gla- 

 brate, shorter than the nearly equal internodes: blades erect, rigid, liposely insolitte, 

 scabrid, 2 inches or less long; ligule obsolete. 



I nflonacenee a narrow, spicate. Jagged jjanicle. 1 to .'} inches long, usually included 

 at base in the u])per sheath. 



tSpikclets sessile, appressed, ovate or oblong, comjjressed, !•- to la-llowered, 1 to fi 

 lines long; empty ghnnes oblong, wider above, oblicpie, ."J-toothed at the apex, searious- 

 niargined. rigid, iiroiniuently 7- toOnerved. sjiarsely pubescent, about 1' lines long; sec- 

 ontl glume slightly larger; tloral glume broadly oblong, somewhat carinate, rigid, 

 scarious-margiued, .sparsely pubescent, 2i lines long, with '> to 7 piominenl nerves 

 teriTiinating in as many teeth and as many oi' more less jiromiiient iieives terminating 

 at the siiuises; palet oblong, wider toward the crosely I toothed ai)ex.'_' lines long, with 

 2 rigid green keels; grain ovate-oblong, yellow, oiiaqne. 1 line long; internodc of 

 rachilla J line long, nearly smooth. 



Plate L; a. si)ikelet enlarged t limes; !>, lioral ghinu's; c jialet. dorsal \ie\^. 



Chico, northern California. 



