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



Figure 1692.— A, Tripsacum dacty hides. Plant, X Yi, pistillate spikelets with rachis joint and pair cf 

 staminate spikelets with rachis joint, X 5. (Amer. Gr. Nat. Herb. 229, Va.) B, T. floridanum, X 1. 

 (Hitchcock 686, Fla.) 



