Coptis trifolia. 104 
wholly unmerited, and attributes the benefit which has attended its 
use, to other stimulating and astringent articles which have been 
combined with it. I have had no further experience with this plant, 
than simply in a few trials to ascertain its tonic and stomachic vir- 
tues ; and in these, the results fully confirmed the promise which the 
sensible properties of the root held out. It is one of the purest bitters 
I am a¢quainted with, and though not so intense as quassia, is some- 
what similar to it. It may be safely recommended for its tonic and 
bitter powers. 
