ASHES. 



59 



QUANTITY OF ASHES CONTAINED IN THE DIFFERENT PARTS OK 

 VEGETABLES, ACCORDING TO M. DE SAUSSURE.* 



NAME OF THE PLANT. 



[Times when taken 

 for analysis. 



Oak leaves 



Ditto do. . . . 



Oak branches barked 



Bark of these branches . 



Oak wood distinct from alburnum 



Alburnum from same wood 



Bark of same tree . 



Liber of the preceding bark 



Leaves of poplar 



Ditto ditto 



Trunk of ditto . 



Bark of trunk of ditto . 



Spanish mulberry-tree wood 



Alburnum of mulberry . 



Bark of ditto . 



Liber of ditto 



Chestnut-tree leaves 



Ditto ditto 



Flowers of chestnut-tree 



Ripe chestnuts 



Peas flowering 



Peas in pod . 



Beans in flower 



Ditto in pod . 



Bean straw 



Beans .... 



Jerusalem artichoke in flower 



Ditto in seed 



Wheat straw . 

 Wheat . 

 Bran 



Indian corn straw . 

 Indian corn . 

 Barley straw . 

 Barley .... 

 Oats .... 

 Pine-tree leaves (Jura) . 

 Ditto ditto (Brocken) 

 Pine-tree branches without leavc~ 



! 10 May 

 27 September 

 10 May 



May 

 September 



10 May 



23 July 



10 May 



5 October 



20 June 

 20 June 

 20 June 



Ashes. 



0,053 

 0,055 

 0,004 

 0,060 

 0,002 

 0,004 

 O.OGO 

 0,073 

 0,066 

 0,093 

 0,008 

 0,072 

 0,007 

 0,013 

 0,089 

 0,088 

 0,072 

 0,084 

 0,071 

 0,034 

 0,095 

 0,081 

 0,122 

 0,066 

 0,115 

 0,033 

 0,137 

 0,093 

 0,043 

 0,013 

 0,052 

 0,084 

 0,010 

 0,042 

 0,018 

 0,031 

 0,029 

 0,029 

 0,015 



All these estimates of ashes refer to plants dried during several 

 weeks in a stove heated to 25° cent. (77° Fahr.) By such drying, 

 however, vegetable substances are very far from losing the whole 



* Saussure, Recherches chimiques, p. 283. 

 5* 



