40 EUCALYPTS CULTIVATED IN THE UNITED STATES. 
dients is eucalyptol, which constitutes about 60 per cent of the oil 
from the Blue Gum. 
The medicinal properties of the various component parts of eucalyp- 
tus oii differ widely. Hence the oils from different species have very 
different medicinal values. Unless eucalyptol, the chief ingredient of 
Blue Gum oil, has the same effect upon the human system as phelland- 
rene, the prominent ingredient of the Peppermint Tree oil, the oils. 
from these two trees must necessarily have different medicinal proper- 
ties, and the oil from a forest of mixed species must have very uncertain 
medicinal properties. The Eucalyptus oil produced in America, where 
the groves from which leaves are obtained for oil are commonly of one 
species, and where, with rare exceptions, a single species (Blue Gum) 
is the source of all the oil extracted, will necessarily be a product 
whose properties are better known and more constant than that pro- 
duced from mixed native forests. Hence the importation of eucalyp- 
tol or Eucalyptus oil from Australia or elsewhere is both unnecessary 
and a disadvantage to the consumer. As Hon. Abbot Kinney remarks 
in his ‘** Eucalyptus”: 
The increased use of the eucalyptus oils derived from the solid plantations of 
E. globulus in California and Algiers is thus seen to rest upon reasonable grounds and 
must give increased reliability to medicinal preparations from the Eucalyptus. 
Eucalyptus oil is so useful, and popular information concerning it is 
so meager, that a few words concerning it will not be out of place here. 
This oil has been used for about forty years, but only during the past 
ten years has it been employed in medicine very extensively. Its use 
is now constantly increasing, as its properties and medicinal value 
become better known. All druggists questioned on the subject stated 
that the demand for Eucalyptus oil was rapidly increasing. Two 
wholesale druggists of Los Angeles both stated in letters to the writer, 
written in response to inquiries ov this point, that their sales of the 
oil had increased very much during the past few years. 
The fact that it is nonpoisonous and nonirritant makes it especially 
safe and valuable. As much as a fourth of an ounce has been taken 
internally without injury, and it may be freely applied to the most 
delicate tissue. Notwithstanding the fact that it is neither danger- 
ously poisonous nor irritating to the human system, itis a very effective 
antiseptic and disinfectant, and has come to be used quite extensively 
for dressing wounds, ulcers, and other diseased tissues. It enters into 
the composition of several antiseptic preparations. The oil is also a 
well-known remedy for malarial and other fevers, and is used in treat- 
ing diseases of the skin, and of the stomach, kidneys, and bladder, and 
is especially valuable for affections of the throat, bronchi, and lungs. 
In using Eucalyptus oil it is important that a pure article be pro- 
cured. Unfortunately there is considerable adulteration of this oil 
with cheaper, inert, or harmful ones. No doubt this remedy would 
