BOTANIC MATERIA MEDICA, 201 
calyx is cylindrical, and encloses many tubular 
florets; anthers black and united; in their 
midst may be seen a double filiform style. 
Odor aromatic and peculiar; taste bitter and 
somewhat herby. Thoroughwort contains sz- 
ar, tannin, gum, resin, ash, volatile oil and eu- 
patorin, which is a bitter glucoside. Eupato- 
rium is tonic, diaphoretic and febrifuge in its 
effects, and in large doses a prompt emetic, 
Given in form of an infusion in doses of 1 or 2 
fluid ounces. The fluid extract is officinal, the 
dose of which is 10 to 60 drops. Name is said 
to be derived from Eupater Mithridates, King 
of Pontas. It is claimed that he first used it as 
a remedy, 
Gaultheria, Checkerberry, Gaultheria Pro- 
cubens.—Natural order Ericacez, commonly 
known as the box-berry or partridge berry, 
also wintergreen, but according to Prof. Gray, 
the partridge berry rightly belongs to the 
Michella, and that of wintergreen to Pyrola, 
the sub-family. This small evergreen peren- 
nial plant has a creeping horizontal root, send- 
ing up one or two red looking stems, adorned 
with rounded oval or obovate leaves, with short 
petioles, their surface being smooth, glossy and 
the edges serrated. They have an agreeable 
odor and an ayomatic, astringent taste; they 
contain sugar, tannin, gum, arbutin and ercolin, 
also a volatile oil having a specific gravity of 
1.17, yielding, with nitric acid, several com- 
pounds which will be discussed under another 
head. Flowers in clusters of from 3 to 5; co- 
Tolla white and tinged with pink, calyx five 
toothed and furnished at the base with two 
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