The pith of Sassafras officinalis.

Characters. - In slender cylindrical pieces, often curved or coiled, light, spongy, white, inodorous, insipid. Macerated in water it forms a mucilaginous liquid, which is not precipitated on the addition of alcohol.

Preparation.

Dose.

Mucilago Sassafras Medullas (sassafras pith, 2 parts; water, 100 parts).......................

Ad libitum.

Uses. - As a demulcent either internally or externally.