Oleum Aurantii Florum (Ol. Aurant. Flor.), Oil of Orange Flowers, N.F. (Oil of Neroli).—A volatile oil.

Nearly insoluble in water; soluble in alcohol.

Action and Uses: Flavoring agent.

Oleum Bergamottae (Ol. Bergam.), Oil of Bergamot, N.F.—A volatile oil.

Practically insoluble in water; freely soluble in alcohol.

Action and Uses: Flavoring agent.

Spiritus Odoratus (Sp. Odorat.), Perfumed Spirit, N.F.—Oils of bergamot, lemon, rosemary, lavender and orange flowers, acetic ether, water and alcohol. Absolute alcohol content about 80 per cent.

Oleum Betulae Empyreumaticum Rectificatum (Ol. Bet. Empyr. Rect.), Rectified Oil of Birch Tar, N.F. (Rectified Empyroligneous Oil of Birch, Oleum Rusci Rectificatum).—An oil obtained by the dry distillation of the bark and wood of white birch.

Insoluble in water; soluble in dehydrated alcohol, ether and chloroform.