Oil of cinnamon is made from the pieces and chips of the bark, it is
of a red-yellowish color. Eighty pounds of bark yields about 8 ozs.
of oil. It is very stimulating. It is often adulterated with oil of
cassia, oil of cassia buds, oil of cherry laurel, and oil of bitter
almonds--the latter is a very dangerous mixture.
Cinnamon leaves yield an oil resembling oil of cloves, with which it is
often mixed.
The ripe berries of the cinnamon tree yield a volatile oil, similar to
oil of juniper, and from the root is obtained camphor.
Cassia oil is obtained from the leaves, buds, or bark. It is of a
golden-yellow color, but turns brown with age. It is considered good
for influenza.
Cassia buds resemble nails with heads of different size and shape,
according to the period of growth when collected.
There is also a kind of wild cinnamon, or cassia, which grows in Cuba,
but its taste resembles more that of cloves than of cinnamon.