On the Ashes of some Epiphytic Orchids. 
a «> By W. A. Dixon, F.LC., F.C.S., Lecturer on Chemistry, 
3 Technical College, School of Arts, Sydney. 
[Mead before the Royal Society of N.S.W., 6 December, 1882.] 
analyses of the inorganic 
rn. Royal Society of 
ication is a continua- 
ts. 
ate considerable difficulties os : o 
obiain: e difficulties in the way of a resident of Sydney = 
place bef a supply of these plants, I have but few results to) 
ee va ore you—too few indeed to allow of much diseussion, but 
Yenture to publish such as I have, as the subject opens & new 
hac phyto-chemistry. 
thoas 1, the ease of the ferns referred to, it was evident that in 
se plants the ash constituents, which are present in consider- 
‘ills cba i e was found in the 
or leaves, This dust was removed as far as possible be- 
Feit cw ineration, but it was impossible to do so completely with- 
wlan. up the plants and washing them, which, from their 
eae as ; SHER - th 
venture to say definite . 
ash constituent, without 4 further careful 
f th ‘D 
