ON THE ASHES OF SOME EPIPHYTIC ORCHIDS. 177 
D. Linguaforme. 
Potash ae tk Ne a 17-11 
Soda ee 8G ue ae tie Wc < be-d & 
Chloride of sodium pi te 4 ANE Sel 
Lime * .... “ id tas on 3. Se Ue 
esia ... foe ? ao ee 10°93 
Ferric oxide Be a Sie ee ... traces 
i Sin yes 8°12 
Phosphoric oxide bis nes oe “14 
Sulphuric ,, ... ns bas ee fale i eee 
Soluble silica... 8 a a. So eS 
100°48 
Ash of the composition given... .... 4°56 per cent. 
sgt mall quantity of phosphoric oxide in this ash is peculiar, 
#18 also the large quantity of soda; but second determinations 
no ade by my assistant quite independently, I have no doubt 
e 
accuracy of the numbers. 
