117 
Fie. pophorum wrightii S. Wats. PURPLE-GRASS.—a, A spikelet;: }, 
the pa with h the outer glumes Droge gis c, the pt esa a, of the perfect 
— flattened oat: and seen — e back; d, palea. in Bul. 7 illus- 
s a second species of this gen 
PAPPOPHORUM Schreb. ~Fh Bt 78t. 179. ogee ets 1-2-, rarely 
Ppsnibse ns sags articulated aa as lower glumes, 1-2-flowered, her- 
— oteetnyale e uppermost often staminate. Lower soanged patties 2, persistent, 
me! us, acute, carinate, nerveless on the sides or with 1-3 nerves on 
pe gigs flowering Sompan broad at base, ce aaaiee: 0 ly many- 
nerv! erved, divide rar LK 88 : : UPI 9-3.n celia. empty. 
ther i i 1 fi ales tones be 
an down glume, rather broad, 2-carinate near the 
ceeding the entire part of the-glume. rennial (or aa ue 2 steer 
grasses, with narrow, usually convolute oe spike-like panicles, often 
— hat ae awns hamgeees tum: 
