32 SOME RECENT RESEARCHES IN PLANT PHYSIOLOGY 



1 



t 



Dextrose* Levulose c 



Cane 



Maltose 



Time 6P.M. 8 10 12 A.M. 4 



NIGHT 



10 12 2P.M. 4 



DAY 



FIG. 2. CARBOHYDRATES IN MANGOLD LEAF CALCULATED AS 

 CARBON. 



