CHLORIDEAE 111 



I. LeptOChloa mucronata Kimtii. Occasional in the ir- 

 rigated valleys at (he soutiiern end of the State; mostly in the 

 Lower Sonoran Zone. 



2. LeptOCh!oa fascicularis A. Gray. With the last : mostly 

 in the Lower Sonoran Zone. 



3. LeptOChloa nealleyl Vasey. A single specimen of this 

 species has been collected at Carlsbad: in the Lower Sonoran Zone. 



4. LeptOChloa dubia Nees. Spraxgle. in the lower 



mountains and rocky hills of the southern part of the State: in 

 the Ujjper and Lower Sonoran Zones. 



50 BULBILIS Raf. Buffalo Grass 



I. Bulbilis dactyloides (Nutt.) Kaf. Moderately common 

 in small patches among the other grasses on the plains of the 

 eastern and northeastern parts of the State; in the Upper Sonoran 

 Zone, but extending down into the Lower Sonoran. 



