534 



PLANT RESPONSE 



Table showing Responsive Effects Common to Pulvini, 

 pljlvinoids, and growing organs 



1 The induction of concavity, of either upper or lower side of the pulvinus, 

 by local stimulation will be found demonstrated in a subsequent chapter. 



Confining our attention to the effects induced at the 

 growing region, we arrive at the following laws of growth- 

 curvature. 



