PLATE XIX 
Tuber-rot produced in the laboratory with Fusarium eumartii, n. sp., and control 
potato tuber: 
Fig. i, 2.—Control. 
Fig. 3.—Potato tubers showing a soft-rot, as a result of rapid development. Incu¬ 
bation period 19 days at room temperature. People’s variety. 
Fig. 4, 5.—Potato tubers selected to illustrate the type of rot in slower develop¬ 
ment. Jersey Peachblow variety. 
