218 A TEXT-BOOK OF GRASSES 
There are many other species in the southwestern states and 
in Mexico, but the 3 described above are the best-known economic 
species. 
245. Bulbilis Raf—Buffalo-grass. The single species, 
B. dactyloides (Nutt.) Raf. (Buchloé dactyloides (Nutt.) 
Engelm.) (Figs. 48 and 49), a common and often the 
dominant grass on the Great Plains, is a low stoloniferous 
perennial that forms a firm sod. The staminate inflores- 
cence consists of 2 or 3 short 1-sided spikes on a culm a 
few inches high; the pistillate spikes are hidden among 
the leaves near the ground. 
Fie. 49. Bulbilis dactyloides. Pistillate plant, 
x; cluster of spikelets and floret, <4. 
