V 



Fig. 3. Stem elongation of the 'Burpee Hybrid' cucumber and the 'Blue Lake' bean, 

 120 hrs. subsequent to terminal bud applications of gibberellins A3 (left) and A^ 

 (right). Top to bottom: 10 ^1. per plant of 3 X 10"'. 3 X 10"'. 3 X 10= M, and 

 water (control). 



