(seq. 147)

138

Materia Medica

Tonics

menstrua so that they reside in a resin. Dr Percival thought
it corrected the pubescency of bile, he took a ℈i [1 scruple] which had no
effect on his pulse, he recommends it in yellow fever but I hope
no Physician will trust the cure to this medicine; but it is
only in the second stage it can be usefull, he used it also in
vomiting, Cholera Infantium &c. Dr Percival says it is most
agreeable when combined with Cort. Aurant. bit. Dr Cullen
says it is little used in Britain and possesses no peculiar
power in correcting pubescency, he says he has used it in Cholera
Morbus without any previous purging with the happiest
effects. Dr G Brown says he does not think it entitled to the
encomium it has received. In chlorosis it has been used
by Dr Johnson in large doses with the happiest effects Dr
Monroe and Haygarth found it usefull in billious fevers. In
dispepsia it is one of the most powerfull and and
agreeable bitters we know. I prefer the root in substance, the wartery
infusion or decoction should never be used, except it be given
in a days time, for the mucilage it contains will ferment and
it will not be fit for use. I have used the powder with the rust
of Iron this is a most powerfull tonic the dose should be regulated