STOMATAL RESPONSE TO SUDDEN CHANGE. 



-I 1 1 1 1 1 1 1 1 



49 



54_ 

 - 47~ 



46 



46 



FJQ. 14. i 



la.m. 234 5 6 7 8 9 10 II 12 6pm. 7 

 Curves of experiments 46, 47, and 54, Fouquieria splendens. Plotted so as not to intersect. 



20 



14 



10 



.68.1, 



2a.m. 4 



2p.m. 4 



FIG. 15. Curves for experiments 45 and 68, Fouquieria, splendens. s, curves of stomatal 

 movement; t, transpiration curves. 



