A F F E N D I X. 
emits a fmell very much refembling that of a mixture of 
balfam of Tolu and benzoin, fomewhat approaching to 
ftorax. It is perfedly foluble in fpirit of wine, but not in, 
water, nor even in efTential oil of turpentine, unlefs it be 
digefted in a ftrong heat. The varnifh which it makes with; 
either is very weak, and of little ufe. With refped to its. 
medicinal qualities, Mr. White has found it, in many cafes, 
a good pedoral medicine, and very balfamic. It is not 
obtainable in fo great abundance as the red gum produced by. 
the Eucalyptus relinifera. 
The plant which produces the yellow gum feems to be 
perfedly unknown to botanifts, but Mr. White has commu- 
nicated no fpecimens by which its genus or even clafs could, 
be determined. 
THE 
