MANX) 



AL OF THE GRASSES OF THE UNITED STATES 759 



Figure 1680— -4, Elyovurus barbiculmis, X 1. (Type coll.) B, E. tripsacoides. Plant, X }■;; two views 

 of pair of spikelets with rachis joint, X 5. (Chase 4H4, Fla.) 



