PLATE 6 
Results of inoculation with pure cultures of different strains of Phytophthora terres- 
tria and with Pythiacystis citrophthora on young lemon trees (orange stock at lower 
inoculated cut). Inoculated April 20, 1914, photographed August 26, 1914. (See 
Table XI.) 
A. —Control cuts without inoculum. 
B. —Inoculated with Phytophthora terrestria from Isle of Pines. Bark cut away to 
show extent of lesions. 
C. —Inoculated with Pythiacystis citrophthora from California. 
D. —^Inoculated with Phytophthora terrestria from Cuba. 
E. —^Inoculated with Phytophthora terrestria from Florida. 
