vi 
P 
R 
E 
F 
A 
C 
E. 
the 
d 
to 
ft 
fh with preci 
r. 
all tliofe 
P 
which are 
dired:ed for medicinal ufe by the Collei^es of London and Ed 
but to furniih him at the fame time 
their n 
J 
ftantial detail of 
fpedive virtues, and of the difeafes in which they have b 
moll fuccefsfully employed by different wr 
s 
J 
* 
'^ 
I 
-1. 
A diftin£live and charaderiftic knowledge of natural objeds ihould 
certainly precede the confideration of their different properties and 
qualities; and with refped to plants, this knov/ledge is feldom to be 
I 
adequately attained by a mere verbal defcription : accura.te delineations 
therefore become neceffary, and this department is committed to Mr. 
owerby, an artiil of eftabliihed reputation, whofe talents are not lefs 
confpicuous in the corrednefs than in the beauty of his defi 
"N 
\ 
It is juftly a matter of furprife, that notwithflanding the univerfa,! 
adoption of the Linnsean fyftem of Botany, and the great advances 
made in natural fcience, the w^orks of Elackwell and Sheldrake 
fhould ftill be the only books in this country in which copper-plate 
figures of the medicinal pi 
forei 
J / 
are 
iven; while fplendid 
publ 
of them, by Regnault, Z 
d Plenl 
have 
pp eared 
the 
of a ^ery few years. Thefe works however 
far from fuperceding that now offered to the public : for without 
• ) 
refort 
perfections 
the invidious tail?: of pointing c 
the author has the fatisfadion of 
their errors and ira 
exhibited Ic 
of feveial rare and valuable plants, which have never been completely 
any precedmg work whatever : and by fubjoining fome 
figured in 
account of the botanical and medical hiftory of each fpecies, curiofity 
is more fully giatified, and a double intereil is excited in the mind of 
the lludent. - 
Di/pkx eft dos lihtUi, 
Refpedlng 
v 
^ 
