'To READER 
fiderable UTe, which if it had dcaped our 
Notice we fhould never come to know. 
Plow ridiculous then muft it appeaj to a 
Man v/ho is in fearch after natural Things 
to hear an ignorant and incurious Ferfon 
asK him, What is that good foy ? without 
fiifl bellowing the Pains ‘to look upon 
the Thing itfelf, about the ufe of which 
he wants to be informed. Surely nothing 
can be more rational than to keep up a 
Rock of Knowledge of Things lor future 
Diicoveries. Had the Knowledge ofthofc 
Things of which we know fomeUfes, not 
been previous to the Difcovery of luch 
nfes, we Ihculd not even have been ac- 
quainted with the Virtue of any one of the 
molt known Vegetables, if the Canary 
Mels called Orcella had not been taken 
Notice of, we fhould never have found out 
its UTe in Dying, nor that of the Derby- 
fnire Stone Mol's called Co'/'k or Ai'ceL 
i 
Tho’all Plants non Exam ination might ■ | 
be applied to Phylical Ufes; yet are we not ^ 
to think that they were all principally de- 
ligned for luch Purpofes. Some have a 
niore manifeft Phyficai Virtue than others, | 
, feme rather fer ye for Food of Men and 
Animals \ 
