SUMMARY 



193 



carried out with a seedling of Zea Mays, the record being 

 taken without balance. The up-curve at the beginning 

 exhibits the normal rate of growth (0-49 [x per second). 



Fig. 114. Effect of wireless stimulation; unbalanced growth. 



Up-curve of growth reversed to contractile down-curve followed 



by slow recovery (Zea Mays). 



Application of stimulus at the horizontal arrow induced 

 a contraction exhibited by the reversal of the curve 

 80 seconds after the application of stimulus. On the 

 cessation of stimulation the normal rate of growth was 

 gradually restored (fig. 114). 



Summary 



Pulvinated and growing organs exhibit response to a 

 high-frequency alternating field of electric force. 



