Ga 
ADVLRTISEMENT. 
IN the year 1769 was printed an inaugural differtation, in- 
tituled, «« Obfervationes ad vires Thez pertinentes.” 
In the year 1772 was publithed, «The Natural Hiftory of 
“the Tea-tree, with Obfervations on the Medical Qualities of 
_* Tea, and Effects of Tea-drinking,” which not only contained : 
a tranflation of the Thefis, but likewife the natural hiftory of 
this vegetable, and which having been long out of print, it was. 
thought a fecond edition would be sige! received. ”s the 
publick. 
In Sir George Staunton’s Embafly to China, lately vibhlbied, 
there are fome remarks on Tea, which are eccafionally referred © 
to in the prefent edition; and they are referred to with the 
fatisfaction of confirming the relation firft offered to the mers 
in 1772. | 
‘As the Preface inferted. at that time affords fome hints re- 
fpecuing the introduction of the Fea-tree into Europe, it is pre 
fixed to the prefent edition. 
PREFACE | 
