[Illustration: Orange.]

Now, when orange-flowers are distilled with water, we procure the otto
of the blossom, which is known commercially as oil of neroli. The neroli
procured from the flowers of the Citrus aurantium is considered to be
the finest quality, and is called "neroli petale." The next quality,
"neroli bigarade," is derived from the blossoms of the _Citrus
bigaradia_, or Seville orange. Another quality, which is considered
inferior to the preceding, is the neroli petit grain, obtained by
distilling the leaves and the young unripe fruit of the different
species of the citrus.

The "petale" and "bigarade" neroli are used to an enormous extent in the
manufacture of eau de Cologne and other handkerchief perfumes. The petit
grain is mainly consumed for scenting soap. To form the esprit de
neroli, dissolve 1-1/2 oz. of neroli petale in one gallon of rectified
spirits. Although very agreeable, and extensively used in the
manufacture of bouquets, it has no relation to the flowery odor of the
extrait de fleur d'orange, as derived from the same flowers by
maceration; in fact, it has as different an odor as though obtained from
another plant, yet in theory both these _extraits_ are but alcoholic
solutions of the otto of the flower.

The water used for distillation in procuring the neroli, when well freed
from the oil, is imported into this country under the name of eau de
fleur d'orange, and may be used, like elder-flower and rose-water, for
the skin, and as an eye lotion. It is remarkable for its fine fragrance,
and it is astonishing that it is not more used, being moderate in price.
(See _Syringa_.)