STOMATAL RESPONSE; TO SUDDEN CHANGE. 57 



Table 35- — Ratios between transpiration rates and stomatal diffusive capacities. 

 LIGHT TO DARKNESS. 



Table 36. — Ratios 0} change in transpiration rate and diffusive capacity of stomata. 



DARKNESS TO LIGHT. 

 [All experiments are with ocotillo, excepting those marked with an asterisk (*) ] 



