PLATE 63 



A. — BlackhuU kafir, 4 feet high, heading. Used for transpiration experiments in 

 1916, 



B. — Pride of Saline com at period of full leaf development. Pleight of plants, 6 feet. 

 Used for transpiration experiments in 19 16. 



C. — Dwarf milo heading. Plants 3 feet 3 inches high. July 24, 1917. 



D. — Dwarf milo. Pride of Saline com, and Dwarf BlackhuU kafir. July 26, 1916. 



