( 54 ) 
challenges the Preference. Where a deli- 
cate Flavour, and moderate Degree of bra- 
cing is wanted, Hyfon and fine Green Te# 
are fitteft. The Salt of "Tea diflolves the 
Blood ; its Earth neither attenuates nor thick- 
ens it ; its Oil thickens a little ; its Gum 
very much, whether extracted in a watery, 
or a fpirltuous Liquor ; its Oil and Earth 
united, extremely contrad our Fibres. All 
thefe Properties fome affirm to be local, 
and do not hold ^hen brought out of Afia ; 
a monftrous Affertion ! We find other Ve- 
getables, when exported from their native 
Soil, anfwer the fame Purpofes here ; and 
what fliould hinder this, it were to he 
wifhed they had explained, if they could. 
Now for fome of the more particular Ufes 
of Tea. It is of Service in Diforders of the 
Head , from cold* and fluggilfi Caufes, which 
fo alter the Mafs of Blood and Lymph, that 
they have not a free Courfe through the 
Veffels of the Brain, but adhering to their 
Infides, either fhorten or flout up their Dia- 
meters ; fuch is fizy, thick, flegmatic Dif- 
pofition of the whole Mafs of Blood, which 
when it arrives at the fmall and tender 
Veffels of the Brain, their inherent Force 
not 
