PLATE 5 
A. Recovery from tomosis disorder. Seedling of Egyptian cotton at Bard, 
Calif,, 1911, showing abrupt recovery of the normal leaf-form after severe tomo¬ 
sis injuries to several of the lower leaves. (One-half natural size.) 
B, C, and D. Relation of oil glands to tomosis. Leaves of seedlings of Pima 
cotton showing tomosis in several stages, beginning with translucent spots around 
dead oil-glands. Figures B and C about natural size. Figure D a section from 
near the middle of figure C, magnified about 4 diameters. 
