Cornus sericea. 119 
CHEMICAL ANALYSIS. 
Under this head, in the article on the Cornus florida, will be 
found Dr. Walker’s analysis of the Cornus sericea. His compara- 
tive experiments, of the properties of the Peruvian bark and these 
two species of Cornus, are extremely interesting, and have produced 
results highly favourable to these articles, as medicines. 
MEDICAL PROPERTIES, 
~ 
The medicinal virtues of the iting Diogueaadl, are the sdine 
as those of the common Dogwood; and both are allied in their ef. 
fects to the Peruvian bark. The Cornus sericea is therefore a 
stimulant and tonic, and. may be used in powder, or in tincture 
with proof spirit. About a scruple and an half, and from that 
quantity to a drachm of the former, may be given at a dose, and 
repeated three or four times a day. The usual proportion of the 
spirituous tincture may be used. I am inclined to think that the 
