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



Figure 426 -A, Triptasis purpurea. Plant, X Vi, spikelet, floret, and cleistogamous spikelet X 5. (Com- 

 iIGURE m oo S 255, Del.) B, T. americana. Panicle, X 1; floret, X 5. (Curtiss 5570, Fla.) 



