212 



APPENDIX III. 



detected, the ash was treated with sulphuric acid, 

 and heated to expel the excess of acid; the dry 

 residue was extracted with absolute alcohol, the 

 solution filtered, evaporated to dryness, and the 

 residue taken up in a drop of water and tested by 

 the spectroscope. 



In Alcoholic Extract. 

 No lithium. 



Lithium distinctly. 

 No lithium. 



Lithium distinctly. 

 Trace of lithium. 



No lithium. 



Slight traces of lithium. 

 Traces of lithium. 

 Lithium distinctly. 



Lithium shown distinctly. 



Lithium very faintly. 

 Lithium very distinctly. 

 Faintly. 



No lithium. 



Savoy Cab- 

 bage. 



No. 1. Lithium distinctly. 



2. No lithium. 

 Tea. 

 No. 1. 



2. 



3. 



4. 



5. 



6. 



7. 



