184 



PROCEEDINGS OF THE CHEMICAL DEPARTMENT 



100-16 



100-20 



100-48 



99-75 



And these when re-calculated, after deduction of carbonic 

 acid, sand, and charcoal, and with the sulphur in the pods con- 

 verted into sulphuric acid, give : — 



100-00 



100-00 



100-00 



100-00 



The proportion of the different constituents of the plant at 



pur acre : — 



this stage without leaves was in lbs 



* Owing to the difficulty of completely hurning the ash of the pods, a small 

 quantity of sulphuric acid was reduced to sulphur, which was carefully esti- 

 mated. In the re-calculated analysis, this has been converted into sulphuric acid. 



