APP. l] RESULTS. 301 



Values for ripe and unripe apples. 

 Experiment No. 2. 



Unripe Bipe 



Acidity. apples. apples. 



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



HAO4.J 

 Sugars. 

 Glucoses 0-8 4'6 p.c. 



Cane-sugar nil 0-9 p.c. 



Maltose * nil nil p.c. 



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

 tissues. 



Using leaves of etiolated and normal potato plants values 

 obtained were 



Experiment No. 1. 



Normal leaves. Etiolated leaves. 



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



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



Experiment No. II. 



Values for ash from grains and young leaves of wheat. 



Ash from young Ash from 



leaves. grains. 



PA 4-0 48-5 p.c. 



n:?o} ''-' '-'p-"- 



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

 PjOj and alkali in 100 grs. of ash of each of the substances not 

 in 100 grs. of each of the substances compared. 



Values for CaCaOj in young and old leaves of Semper- 

 vivum. 



Experiment No. 3. 



Young leaves. Old leaves. 



Calcium oxalate (CaCjOi) 1"3 4-1 p.c. 



The p.c. are calculated for fresh leaves. 



