260 EXPLANATION 
followed, and confequently not to be met 
with in the firft Table, he will probably 
find it in the fecond, which will refer him 
to the firft. 
By thefe Tables, properly ufed, in Con- 
junction with the Book itfelf, it is con- 
ceived, that the Reader may arrive not only 
@t an Acquaintance with the Principles of 
the Science, but even at a practical Know- 
ledge of the Diftinctions of Vegetables, much 
fooner than he could by reading the Deferip- 
tions, and in{pecting the Figures given by 
old Writers, whofe Colle€tions are either 
without Method, or difpofed according to 
fuch Syftems as have been exploded ; for by 
what we have laid before him, he will be 
enabled to confult the Productions of Na- 
ture, and compare them with what is de- 
livered in the Book; or, in other Words, ta, 
mix the Practice with the Theory; without 
which the Study of this Science would be 
dry and taftelefs, and the progrefs made in 
it of little Advantage. As we cannot but 
recommend this ufeful Amufement to the 
Reader in the ftrongeft Manner, fo we fhall 
attempt to affift him farther, by a few Hints 
for the methodizing of his Endeavours. 
The firft thing he fhould aim at is, to 
get a thorough Knowledge of the Diftinc- 
tions 
