Bui. 27, Div. Veg. Phys & Path , U. S. Dept, of Agriculture. 



Plate II 



Fig. 1.— Root Tufts Produced on Jannovitch Cotton by Repeated Partial 



Infections by the Wilt Fungus. 



Fig. 2.— Egyptian Cotton Plants from Infected and Noninfected Soil, Showing 

 Dwarfing Effect of the Wilt Fungus. 



