This is obtained from the seed, root and tissue of the celery plant (apium graveolens) by distillation with water. It is a . colorless oil of 0.881 specific gravity, and freely soluble in alcohol. - Mus-pratt's Chemie.

Essence Of Celery

It is prepared by cutting one ounce of the oil in the ordinary way with pumice and sugar, dissolving in eight ounces of alcohol and diluting with eight ounces of water.

Tincture Of Celery

This can be prepared from the fresh plant or from the seeds; the latter must be bruised in a mortar. Macerate one pound of the sliced and cut plant or of the bruised seed with five pints of diluted alcohol. Transfer to a percolator if desired and exhaust.