﻿BOTANICAL GAZETTE 



extract from the seed end, but there was no appreciable increase 

 in the extract from either end during the rest period. It may be 

 concluded, therefore, that the cessation of the rest period is not due 

 to a gradual increase of diastase activity. 



TABLE I 



TUBERS SPROUTING ON MARCH 26 





















^478 





0J57 

 0.393 



February 3 



March 26 



20° C. tO 22° C. 

 22° C. tO I 7 ° C. 

 20° C. tO 22° C. 



21° C. to 23° C 



TABLE II 









Seed end 











0.6 S5 

 !-35 



o.745 



il 





TABLE III 



Total sugar; McCormick potatoes planted in wet sawdust in greenhouse; 



