oct. is, 1925 Leaf spot of Maize Caused by Ophiobolus heterostrophus 705 
Fig. 2.—Conidiophores and conidia of Ophiobolm heterostrophus developed on 30-day-old cornmeal 
agar plates, arising from somewhat prostrate sporophoric filaments. The dotted lines represent 
sections of the sterile basal portions of the sporophores omitted for laek of space. X475 
