OF THE ASH OF FORES3' TREES. 



33& 



18. Miscellaneous Analyses. 



1. Leaoet of the Iron-wood, collected September 30. Yard of the State House. 



Silica 



Eakthy phosphates : 



Phosphate of peroxide of iron - 5 "575 



Phosphate of lime - - - 0-719 



Phosphate of magnesia - - 0'125 



Phosphate of silica - - • 7 '325 



Phosphoric acid - - - 11 -SSI 



Lime . . - 

 Magnesia 

 Potash 

 Soda - 



Chloride of sodium 

 Sulphuric acid 

 Carbonic acid 

 Organic matter 



Water 



Dry matter - 



Ash 



PROPORTIONS. 



10-500 



Ash calculated dry 



25-325 



37-484 



0-075 



7-369 



5-902 



1-900 



0-223 

 10-400 



2-850 



102-028 S. 



54-680 

 45-320 



4-260 



9-399 S. 



2. ji $pecie» of foreign Rose-wood. Color dark, and much used in ornamental cabinet work. 



Silica • - - 

 Earthy phosphates 

 Lime ... 

 Magnesia 

 Potash 

 Soda . 



Chloride of sodium 

 Sulphuric acid 

 Carbonic acid 

 Organic matter 



9-475 



4-150 

 61 189 



0-527 



0-791 



4-185 



0-276 



0-051 

 20-205 



3-175 



100-924 S. 



[AoBICtJLTUKAL RePOKT — VoL. II.] 



42 



