104 
Fic. 78, Gymnopogon ambiguus (Mi chx,) B racemosus Beauv.). 
NAKED BEARD-GRASS. a. A spikelet : 6. the empty pa sien ec, a toma 
tg ogee rere pe glumes removed. Fig. 192 in Bul 7 illustrates a second spe 
uv. Agrost. 41 t. 9. f. 3. 18 812. Spikelets 1-flowered, 
subsessile, t along one side of a slender filiform rachis is, forming 
— ‘unilateral spikes; ei art lendated steve the ; empty glumes and 
Empty 
) 
glumes 2, very narrow, subequal, as long as or longer th 
flowering glume wonder, 3: nerved, bearing a A slender, Straight’ awn’ below 
oe ome are Grain ine 
ul grasses, with short, vathen'b Soocssen and rigid leaves and numerous saieitek 
"sein fone in Ctl, the others American. at species in thee: Hastert 
and Southern States. 
