PLATE XXI. 






50 Mic ROWS | 
Figs. 188 and 189. Oe. mexicanum Wittr. (Redrawn from Hirn) 
Bigs 190: (Oe oryzae Witt. (Redrawn from Him) etl ee ee 
Figs. 191 and 192. Oe. oryzae v. seriosporum (Lagerh.) Hirn. 
itig Oaths B00) Ae i CPR ion NO UL au Re Ge 164 
210 
