354 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Figure 728.- A, Phleum pratense. Plant, X Vi, glumes and floret, X 10. (Mearns 2209, Wyo.) B, P. 

 alpinum. Panicle, X 1; glumes and floret, X 10. (Clements 337, Colo.) 



