m Tho PREPACGSE 
Knees, that he might creep into the Thick- 
ets; when I talked with the Man a= 
bout bis Refearches, they were after 
fome new Kind of Mofs : He never 
had confidered Plants, except to know 
how they differ from one another... 
in this Situation, when Knowledge is 
_ perplexed with unintelligible Terms, and 
the Memory of the Student confounded 
with a Multiplicity of Names; when the 
Ignorant only, who have written con= 
cerning Plants, have given themfelves — 
any Trouble about their Virtues; when 
_ Pbyfic isbecoming intirely chymical, and 
a thoufand Lives are threwn away daily. 
by thefe Medicines, which might be faved 
by a better Praétice; it appeared a ufeful 
Undertaking, to feparate the necefjary. 
from the frivolous Knowledge; and to 
lay before thofe who are inclined to do 
Good to their diftrefjed Fellow-Creatures, 
«all that it is neceflary for them to know. 
Of Botany for that Purpofe, and that 
in the moft familiar Manner ; and to 
add to this, what Experience has con~ 
fried of the many Things written by 
Phe ey 
