377 



1008. The ashes of peat, as might be expected, 

 contain less alkaline salts than those of wood ; they 

 usually contain a considerable quantity of gypsum 

 (237). The following table shows the composition of 

 three sorts of Dutch ashes analyzed by Sprengel : — 



1000 



1000 



1000 



1009. Kelp, the ashes of sea-weeds (218, 891) re- 

 32* 



