Bui. 64, U. S. Dept. of Agriculture. 
Plate II. 
Fig. 1.— Stem-End Browning of Potatoes Due to Fusarium Oxysporum. Tubers 
from Wilted Plants, Burbank Variety, Middle River, Cal. 
JL> 
Fig. 2.— Net Necrosis of Potato, Showing Nonparasitic Internal Discoloration 
of Tubers. 
