APR I] RESULTS. 319 



Values for ripe and unripe apples. 



Experiment No. 2. 



Unripe Ripe 



Acidity. apples. apples. 



[Calculated as 1-2 0-3 p.c. 



Sugars. 



Glucoses 0-8 4-6 p.c. 



Cane-sugar nil 0'9 p.c. 



Maltose nil nil p.c. 



The p.e. in experiments 1 and 2 are calculated for fresh 

 tissues. 



Using leaves of etiolated and normal potato plants values 

 obtained were 



Experiment No. 1 (p. 302). 



Normal leaves. Etiolated leaves. 

 Ash (sulphated) 4*7 2-5 p.c. 



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

 Experiment No. 2. 



Values for ash from grains and young leaves of wheat. 



Ash from young Ash from 



leaves. grains. 



P 2 O 5 4-0 48 -5 p.c. 



The p.c. are calculated for ash i.e. represent weights of 

 P 2 O 5 and alkali in 100 grs. of ash of each of the substances not 

 in 100 grs. of each of the substances compared. 



Experiment No. 3. 



Values for CaC 2 O 4 in young and old leaves of Semper- 



vivum. 



Young leaves. Old leaves. 



Calcium oxalate (CaC 2 4 ) 1-3 4'1 p.c. 



The p.c. are calculated for fresh leaves. 



