TRANSPIRATION AND LEAF-WATER 



11 



TABLE V 



Black horizontal. Atmometer rates reduced to unity, 2-3 hour. August 21, 1910. 



TABLE VI 



Fouquieria splendens. Tucson, Arizona, August 11, 1910. Percentage of water to 

 dry weight of leaves, taken from a zone of a branch at the same distance from the 

 ground, for three different individuals. 



Fouquieria splendens. Tucson. Arizona, August IS, 1910. Percentage of water to 

 dry weight in the leaf, in three different individuals. 1, An old, thicJ: stem; 2, A 

 young, thin stent; 3, Medium stem,. 



