164 
Fi. 460, SPOROBOLUS JONESII Vase y, Bot. Gaz, 6: 207- 
RUSH-G RANA. ema d wiry, densely tufted, erect 
gum high with numerous short, rigid, involute, about 
spreading panicles 3-6 cm. (1/2) long. Spikelets o 
ap) long, with nearly truncate or erose-dentate empty 
ud wat one-half as as the acute flowering glume 
the palea in texture, firm membranaceous, finely be summit, 
M ^ with a distinct callus,—Sode Springs, nest 
