Fig. 607, K 
1815.4 TA 
Lem. grooved 
hd, long; flowering glume of the central — 9-10 mm. (4}’-5") long, 
sans 20-24 mm. (10-127) long. Lateral spikelets neutral.—Along irri- 
Dre ditches, Arizona. "— Apri roe 
— las nodosum by its taller habit of growth, attenuate, 
te, not 
terete, Spt as eie longed woth and awns, and flattened or sulcate, 
