APR I] EESULTS, 321 



CHAPTER XVII. p. 312. General experiments. 



Experiment No. 1. 



An experiment under vei y favourable conditions gave the 

 values 



A (dry weight of Spirogyra used) =21*5 grs. 



B (dry weight of Spirogyra obtained 



after 24 hours) = 24-1 grs. 



For twenty-four hours. 



Increase in dry weight = 2-6 grs. 

 Increase of proteids = *8 grs. ) , _ 



(Nx 6*3) for 21-5 gr, of 



Spirogyra, 

 Increase of cellulose =1'3 grs. j 



Experiment No. 2. 



Using leaves of Sparganium natans sixteen days. 

 A B 



in distilled in a culture 



water. solution. 



Starch 0-4 6'5p.c. 



Ash 1-1 4-8 p.c. 



The p.c. are calculated for material dried at 100 C. 

 Experiment No. 3. 



Values for a set of experiments with hemp seed. 

 "Weights of three portions of original seed. 



A. B. C. 



10-0 grs. 10-0 grs. 10-0 grs. 



Weights of A, B and C after experiment. 



A. B. G. 



10-0 grs. 4-2 grs. 11-1 grs. 



D. A. 21 



