Bul. 59, Bureau of Entomology, U. S. Dept. of Agriculture PLATE IV. 
PROLIFERATION FROM ARTIFICIAL STIMULATION. 
Fig. 13.—Proliferation in seeds following artificial stimulation with injection of water, enlarged 
three diameters. Fig. 14.—Proliferation in carpel and seed following artificial treatment wit 
acetic acid. Fig. 15.—Proliferation from carpel and septum enveloping larva in bo Fig 
16.—Lock of boll burst open by pressure of proliferation formed withil Figs. 14-16 slightly 
enlarged. (Original.) 
