MANUAL OF THE GRASSES OF THE UNITED STATES 431 



blades elongate, involute, flexuous, 

 about 1 mm. thick, tapering to a long 



Figure 619. — Sporobolus tharpii. Panicle, X 1 ; glumes 

 and floret, X 10. (Type.) 



Figure 620. — Blepharoneuron 

 tricholepis. Plant, X X A\ 

 glumes and floret, X 10. 

 (Shear 1182, Colo.) 



