STOMATAL RESPONSE TO SUDDEN CHANGE. 



57 



TABLE 35- Ratios bet-ween transpiration rates and stomatal diffusive capacities. 

 LIGHT TO DARKNESS. 



TABLE 36. Ratios of change in transpiration rate and diffusive capacity of stomata. 



DARKNESS TO LIGHT. 

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



