(seq. 217)

208

Materia Medica

Tonics

this subject I refer you to Dr Roys dissertation.

Prunus Virginiana or more properly Cerasis
Virginiana or Wild Cherry. The
berries possess a narcotic quality, the bark of the root exerts
the properties of the tree most powerfully = though that of the
trunk is most commonly used = it is a verry valuable tonic in
many diseases, and it is verry durable in its effect = I think
I have seen it cure one case of lumbar abscess, attended with
Hectic fever. In Pulmonary Consumption, I have seen it
usefull and known it relieve cough.

Salix Alba or Common Willow. The bark is bitter and
astringent and nearly equal to the oak bark in the process
of tanning = it has been used with success in intermittant
fevers dose from ℈i to ℈ij [1 to 2 scruples].

Esculus Hippocastinum or Horse Chestnut.
As a substitute for the Peruvian Bark it has been
recommended by several verry respectable writers, in intermittants
it is a good tonic and might be used with advantage* [footnote back 1 page]

Cornus Florida. Or Common Dogwood,
deserves our notice, the bark is considerably astringent, I have