20 



TRANSPIRATION IN A DESERT PERENNIAL. 



.05 



.03 



.005 



.003 



.001 



E f 



E ,- 



T/ 



7 9 11 1 3 



FIG. 7. Graphs for transpiration of c, March 13. 



PJxp. III. 



TABLE 4. Transpiration of a branch in leaf (d) of an adult tree. Experiment IV. 



