Table 2. Stimulation or inhibition of lAA destruction in Lens roots, 18 mm. in 

 length. 



Treated-Control 



* Per cent = X lO^. 



Control 

 ** Optimal concentration. 

 t No effect up to 5 X IQ-" M. 



Table 3. Biochemical gradients in Lens roots, 1 8 mm. in length. 



