166 PLANT AND ORGANIC CHEMISTRY 



late was detected by qualitative tests. A similar method, 

 employed for its estimation in extract (i), was used to de- 

 termine it quantitatively. 



The precipitate yielded 0.305 per cent. 



" ofash 0.155 " 



Organic substance 0.150 " 



Extract (3), the Green Part oj Leaf. 



The powder used in the dilute soda maceration was washed 

 with distilled water and suspended in water containing i per 

 cent, of hydrochloric acid. Iron and calcium phosphate were 

 detected in the extract. The leaves were examined under the 

 microscope, and a blue color was developed by an aqueous 

 solution of iodine, indicative of starch granules. Starch was 

 also present in the yellow base of the leaves. 



TOTAL QUANTITATIVE RESULTS. 



