JACQUES LOEB 

 TABLE I. 



453 



Fig. 5. Piece of stem with 4 nodes, a, b, c, d, split longitudinally. One half 

 cut transversely into two pieces, a', b' , and c', d'. The half o, b, c, d, produces 1 

 shoot which about equals in mass the 2 shoots produced by a', b', and c', d'. 

 Duration of experiment December 9, 1921 , to January 4, 1922. 



