IMPROVEMENT OF PHYSIC. 219 
that the water avens is looked on as a 
fuccedaneum to the bark by the people 
of Canada. The water figwort that cor- 
rects fenna *, the bark^ See . were commu- 
nicated by the Barbarians. 
* 5 - 
The negledl of reading botanical writers'^ ef- 
pecially thofe, who in thefe latter times have 
faithfully fet forth what they knew, by cer- 
tain experiments concerning the vertues of 
plants. 
Of this kind are Rheede, Sloane, Feuillee, 
&c. The ufe of the cor is is unknown 
to moft people, who have not feen what 
Shaw fays on that fubjeCt. The vertues 
of the ftalks of the bitter-fweet purifying 
the blood were a fecret, till our presi- 
dent brought them to light. Before him 
the apothecaries gave only the garden 
night-Jhade , or the leaves of the bitter- 
fweet , yet few here have found any good 
effeCt from them j as we have rarely given 
this remedy hitherto in Sufficient dofes. 
The reft -harrow is Seldom preferibed, be- 
caufe phyficians have not learned its vei> 
tues in the Hungarian fever from Scyl- 
ler. The antients recommended the cot- 
ton - 
