328 MISC. PUBLICATION 200, IT. S. DEPT. OF AGRICULTURE 



Figure 653.-^4, Agrostis spica-venti. Plant, X M; glumes and floret, X 5. (Martindale, N. J.) B, A. 

 interrupta. Panicle, X Vi, glumes and floret, X 5. (Bonser 3, Wash.) 



