268 



Fig. 250. Eragrostis sessilispica Buckl. ; Britton and Brown, 

 111. Fl., 1 : 190 (Diplachne rigida Vasey). — A smooth, wiry, caespi- 

 tose perennial 3 to 9 dm. high, with narrow, mostly involute leaves 

 and pyramidal panicles, the five- to twelve-flowered, appressed 

 spikelets sessile along the spreading branches. — Dry prairies, 

 Kansas to Texas. June-October. 



