702 
Journal of Agricultural Research 
Vol. XXXI, No 8 
Fig. 1.—A, leaf of maize infected with Ophiobolus heterostrophus, showing abundance and size 
of lesions in specimens collected near Sanford,. Fla., Sept. 22,1923. X7 
Ba-Bq, conidia of 0. heterostrophus produced on diseased maize leaves in damp chamber at 
summer temperature (25 to 30° C.) X 474 
Ca-Ce, conidia germinating by production of 2 polar germ tubes. X 474 
Da-De, conidiophores emerging from stomata as found on material collected in the field. X 474 
