MANUAL OF THE GKASSES OF THE UNITED STATES 279 



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Figure 544.-^4, Sphenopholis obtusata. Plant, X 14; glumes and floret, X 10. (Hitchcock 1453, N. C.) 

 B, S. iitiermedia. Panicle, X 1; glumes and floret, X 10. (Clark 1785, Ind.) 



