GENERA OF GRASSES OF THE UNITED STATES. 75 
of leaves and spikelets connected by the slender internodes. This 
species and two others, 7’. avenacea H. B. K. and 7. nealleyz Vasey, 
YA 
oo 
— 
== 
SSA as aN Wen a 
SZ GMS 
ty LEE 4 Hp WN f 
LES | Z y 
- f 
Plant, X 3; spikelet and floret, X 5. 
Fic, 34.—Triodia pulchella, 
agree in having deeply 9-lobed lemmas, the midnerve excurrent be- 
tween thelobesasanawn. The last two species and 7’. pilosa (Buckl.) 
Merr. have short, spikelike panicles, but the last species differs in 
