24 



TRANSPIRATION IN A DESERT PERENNIAL. 



were placed in the open and brought into the laboratory for weighings. The 

 wind velocity was high all the morning, remaining so without apparent 

 change until 2 o'clock, when it increased to at least 25 miles an hour. 



TABLE 6. Transpiration of potted plant No. 1. Experiment VI. Date, April 12, 1911, 



.25 

 .20 

 .15 

 .10 



.05 



.00- 

 .05 



.04 

 .03 

 .02 

 01 



oo- 



.007 

 .006 

 .005 

 .004 

 .003 

 .002 

 .001 



10 11 



Fid. 



10. Graph for transpiration of potted plant No. 1, 

 Exp. VI. 



