268 



Fig. 2."ii). Eragiostis sessilispica Buckl. ; Britton and Brown, 

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

 tose perennial 3 to !» dm. high, with narrow, mostly in volute leaves 

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

 spikelets sessile along the spreading branches. — Dry prairies, 

 Kansas to Texas. June-October. 



