Bui. 60, Bureau of Plant Industry, U. S. Deot. of Agriculture. 



Plate V. 



Fig. 1.— Raw Radish Three Days After Inoculating Pieces 2 and 3 with 



THE Calla Organism. 



Fig. 2.— Side View of Pieces 1 and 2 Nine Days After Inoculating 



No. 2. 



