Bui. 1195. U. S. Dept. cf Agriculture. 
Plate VIM, 
Fig. I. — Good Seed-Ball Production in Response to Open Pollination 
in Seedling 39477. 
Fig. 2.— Solanum chacoense, Plant CV20. 
Seed balls resulting from crossing with plant C-18 which is highly self-incompatible and also cross- 
incompatible to several plants. See Table 4. 
