138 MISC. PUBLICATION 200, U. S. DEFT. OF AGRICULTURE 



FIGURE m.-A .,Briza minor Plant X H; spikelet and floret, X 5. (Hitchcock 2597, Calif.) B, B. maxima, 

 XYz. (Baemtz, Dalmatia.) C, B. media. Panicle, x H- (Oakes, Mass.) 



