362 A COMPENDIUM OF 
gent, aromatic, cooling taste. Its specific grav- 
ity is about 0.90, and it contains two distinct 
oils, the larger portion of one of them is termed 
Eucalyptol, which is obtained by redistilling, 
and may be converted into a substance called 
Eucalyptene, by means of acid phosphoric. The 
oil is a stimulant, narcotic and febrifuge, andis 
given in doses of 10 to 15 drops (0.6 to 0.1 gram) 
in capsules, : 
Oleum Feeniculi, Fennel Oil. Obtained from 
the fruit of the Foeniculum Vulgare.—Natural 
order Umbelliferee. This distilled and volatile 
oil is colorless when first prepared, but becomes 
yellow on standing, and possesses, in a high de- 
gree the characteristic odor and taste of the 
fruit; specific gravity 0.96, congeals at 50°F. 
and capable of being separated into a solid and 
liquid stearoptene and eleoptene, the former heav- 
ler than water, and less volatile than the latter. 
Officinal preparations: aqua FENECULI, and 
SPIRITS JUNIPER CO, 
Oleum Gaultherice, Gaultheria Oil, Winter- 
green Oil, Teaberry Oil, Partridgeberry Oil, 
etc. This volatile substance is distilled from 
the leaves, flowers, twigs, etc. of the Gaulthe- 
riz procubens.—Natural order Ericacec, and 
when freshly prepared is nearly colorless, but 
when found in commerce it is of a yellow-brown 
inclining to a red-brown color. Odor peculiar, 
and to most persons agreeable; taste, warm, 
sweetish, and of its own kind. This is the heav- 
lest of all the volatile oils, having a specific 
gravity of 1.17. Boils at 412° F., and when 
mixed with water, the iron salts give it a pur- 
ple color, which is not the case with the other 
