530 



Tabulated Results of Analyses 

 L 1.— TEEES. 



Apple 

 Pear . 



Cherry 

 Plum 



Filbert 

 Walnut . 



Oak . ■ 



Ash . , 

 Elm . 



Fir . 



Larch , 

 Beech 



Birch , 

 Chesnut 

 Lime . 



Poplar 



,Wood . 

 Wood . 

 Leaves 

 Wood . 

 Bark . 

 Wood . 

 Wood . 

 Bark . 

 Leaves 



Wood . 



Wood . 



Bark . 

 Leaves 

 Wood . 

 Wood . 

 Bark . 

 Wood . 

 Bark . 

 Leaves 

 Wood . 

 Wood . 

 Bark . 

 Leaves 



Wood . 



Wood . 

 Leaves 

 Wood . 

 Bark . 

 Wood . 

 Bark . 

 Leaves 



ri7 old 



General Division. 



Dried at 212" Fahr. 



Authority. 



Liebig . 

 Liebig . 



De Saussure 

 De Saussure 

 De Saussure 



Berthier . 



Berthier 



Berthier . 

 De Saussure 



Liebig 



De Saussure 



De Saussure 

 De Saussure 



Berthier . 



De Saussure 

 De Saussure 

 Berthier . 



De Saussure 

 De Saussure 

 De Saussure 



99-7 

 89-6 



93-0 



94-0 

 94-5 



99-4 

 86-6 



99-2 

 92-8 

 90'7 



0-28 

 10-37 



0-5 

 6-2 

 7*0 



1*57 



COMPOSITION OF EACHl 



Organic or« 



Ultimate Elements. 



Authority. 



Boussingault 1 

 and Payen. ' 



Payen 



Boussingault 

 and Payen. 



Payen 



Boussingault 

 and Paj'en 



Boussingault 

 and Payen . 



Proximate r 



1-59 1-92 



1-5' 



Azotised. 



Authority. 



. For all practical purposes the analyses by Liebig in this Table must be reduced by the amount of Carbonic Acid (say 

 ought not to contain any Carbonic Acid, but as the Ash left after the combustion of any substance, where organic Acids 

 other ingredients present in the Ash. The quantity of Ash contained in trees, according to Liebig, depends upon the 

 the various woods is from a table in the 'Rural Encyclopajdia,' where it states that it varies considerably with the age 

 Salts, or earthy Carbonates. I have taken the mean of the two Alkalies as the base, and the earthy Carbonates are 



the amount of the Salts only. d. I have not attempted to give the entire composition of a tree, because, in the first 



varying, as they do, with the growth and age of the tree. I may here mention that all the analyses of leaves in this 



