STOMATAI, RESPONSE TO SUDDEN CHANGE. 

 7.15a.m. 7.30 7.45 8.00 



53 



3 



10a.m. 



IZ 



2p.m. 



FIG. 17. Curves for experiments 112, 115, and 117. Verbena ciliata. 

 marked j are curves of stomatal movement. 



The lines 



Experiment 112. June 19, 1905 (fig. 17). Verbena ciliata. Burette potometer. 

 Placed in dark room at 9 a. m. 



TABLE 3 1 . Rates of transpiration. 



