No. 99. 



ELYMUS TRITICOIDES Niitt. in Kuckl. Troc. Acad. Pbila. for 1862, 99 



(18(J2). 



Plant perennial, from a strong rootstock. 



Culms erect, often branching at the base, leafy tlirongbout, sinootb, 3 to ') feet tall- 



//fwrr.s- of the cnltii 5 to 7; sheatiis striate, sniootli, nsiially exceeding the inter- 

 nodes; blades flat, or involnte toward the points, striate, smooth beneatli, hispid and 

 oft^Mi tliinly pubescent above, li to 4 lines wide, (i to 12 inches long; ligule obtuse, .J 

 line long or less. 



Inflorescence an erect, spicate panicle, usually somewhat interrupted or loosely 

 tlowercd, 1 to S inches long, witli I to 3 spikelets at each node of the rachis, usually 

 exceeding the internodes. 



Spikelets '>■ to 10-flowered, 7 to 10 lines long; first empty glume subulate, hisind. 

 Inerved, rigid, i to lines long; second empty glume very narrowly ovate, rigid, 

 liispid, .3 nerved below, about 1 line longer than the first; tloral glume lauce-ovate, 

 ivcute or more often distinctly awned, smootli below, hispid near the apex, 7-uerved. 

 4 to 5 lines long; p det lance-ol)loiig, <)l)tnse or einarginate, liis])id on the prominent 

 green keels and minutely ciliateou the margins above, two-thirds as long as the glume; 

 stamens 3, not exserted ; ovary pubescent. 



Plate XCIX; a, spikelet; b, floral glume, dorsal view; c, palet opened. 



California to Washington. 



