EXAMINATION OF BEECH-LEAVES. 



333 



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

 tained : 



I. Period. II. III. 



< > Period. Period. 



Dry substance*. 

 Water . . 



a 



30-29 

 69-71 



22-04: 

 77-96 



c 



21-53 



78-47 



d 

 21-52 



78-46 



44-13 

 55-87 



43-23 



56-77 



One thousand fresh leaves contained, in grammes : 



Dry substance 10-01 



Water 22-61 



Total weight of 1000 leaves. . 32-62 



Ash of dry leaves per cent. . . 4'65 



15-90 32-63 60-00 116-16 117'53 

 57-26 118-91 218-31 147'04 154'33 



73-16 151-54 278-31 263-20 271'86 

 5-40 5-82 5-76 7'57 10'15 



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-TO per cent. 



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

 number of leaves &, e, d, were incinerated. 



One hundred parts of the ash of the leaves contained: 



* Not determined. 



