&€ rofe and deadly. ‘piphtethidas co- 
( ar > 
_dearned Body, the annual prize me- 
dal upon Dr. Prieftley, decreed to 
him‘as an honourable teftimony of 
their approbation of the fuccefsful 
labours beftowed by him upon the 
doctrine of air. ** From thefe difco~ 
< veries,” fays he, ‘* we are aifured, 
“ that no vegetable grows in vain, 
=. putt vat, from the oak of i foreft 
« to the <—e in the field, eve: 
“dividual plant is Revicgsble to 
«* mankind; if not always. diftin- 
“ suifhed ‘by fome private’ virtue, 
“¢ yet. making a part of the whole, 
oes eowhich. cleanfes and pusies our 
- operate: nor is the herbage, nor 
“the woods that flourith in ‘the 
“moft remote and unpeopled - Te- 
~ gions, unprofitable to us, nor we 
oad to eee Ces how: con- 
es cogent 
