APPENDIX A. 



The leaves of the IV. period were from the same tree, but 

 had been gathered in the end of November, 1860. They had 

 withered on the tree, and were quite dry. 



One hundred parts by weight of the fresh beech leaves con- 

 tained : — 



Dry substance 

 Water . 



30-29 

 69-71 



h 

 22-04 

 77-96 



21-53 

 78-47 



II. m. 



. Period Period 



d 



21-52 4413 43-23 



78-46 55-87 56-77 



One thousand fresh leaves contained, in grammes : 



Dry substance . . . 10-01 15-90 32-63 

 Water 22-61 57-26 118-91 



6000 

 218-31 



116-16 117-53 

 147-04 154-33 



Total weight of 1000 leaves . 32-62 73-16 151-54 

 Ash of dry leaves per cent. . 4-65 5-40 5-82 



278-31 263-20 

 5-76 7-57 



271-86 

 1015 



The amount of water in the air-dried leaves of the IV. 

 period was 11-89 per cent. The quantity of ash left by the 

 dried leaves was 8*70 per cent. 



For the ash analysis of the leaves of the period I., an equal 

 number of leaves 6, c, d, were incinerated. 



One hundred parts of the ash of the leaves contained : — 



Not determined. 



