CH. XIIl] ON SUOAES. 271 



(6) leaves of do. which have been cut off from plant 

 during active assimilation, kept in the dark for forty-eight 

 hours, and then killed with chloroform. 



Extract with (1) benzene, (2) alcohol, (3) cold water. 



After removing tannins, etc. from (2) mix the solution 

 with extract (3) and estimate glucoses, cane-sugar, and 

 inaltose by the process described on p. 267. 



