No. 16. 

 STIPA STRICTA Vasey, Bull. Torr. Club, x. 42. 



Plant perennial, somewhat cespitose. 



Culm erect, simple, slender, terete, pubescent at the nodes, 1 to 1£ feet high. 



Leaves from the base, with short sheaths and narrow involute blades 10 to 15 

 inches long - . Leaves of the culm 2 or 3; sheaths rather loose, striate, minutely hispid, 

 longer than the internodes ; blades conduplicate or involute, 1 to 2 lines wide, 3 to 6 

 inches long; ligule membranaceous, lacerate, the lateral teeth longer. 



Inflorescence a narrow, erect panicle included below in the upper sheath ; branches 

 mostly in twos or threes or upper ones single, appressed, unequal, 1 inch long or less, 

 the longer branched and bearing 3 to 5 spikelets beyond the middle. 



Spilcelets oblanceolate, narrow, 5 to G lines long; empty glumes appressed, lance- 

 olate, slender-pointed, convex and herbaceous below, thin-membranaceous and carinate 

 above, sometimes purplish, 3-nerved, or both sometimes 5-nerved at base; first glume 

 5£ to 6 lines long ; second glume usually half a line shorter ; stipe slender, curved, acute, 

 short-bearded, £ line long; floret spindle-shaped, 2£ to 3 lines long, £ line thick; floral 

 glume thin, chartaceous, with 2 ciliate teeth £ line long at the apex, clothed throughout 

 with close, short pubesence, 5-nerved ; awn twisted and pubescent below, naked above, 

 usually bent twice, 1£ to 2 inches long; palet lanceolate, cleft or erose-dentate at the 

 apex, pubescent between the 2 nerves, 1J lines long; lodicules slender, g line long; 

 anthers naked; grain spindle-shaped, olive-brown, 2£ lines long. 



Plate XVI ; a, panicle ; b, spikelet partly dissected enlarged 3 times. 



In the Sierra Nevada Mountains from central California to Washington. Probably 

 a good species for sheep pastures. 





