431. Fraxinus americana.—White ash. 432. Fraxinus sambucifolia.—Black ash.

431. FRAXINUS AMERICANA Linné.—(Fraxinus, N.F.) WHITE ASH. (Bark.) Quills or curved pieces, having an ash-gray periderm and a white inner bark, and breaking with a splintery, coarsely fibrous fracture. Emmenagogue. Dose: about 15 gr. (1 Gm.).

432. FRAXINUS SAMBUCIFOLIA Lambert.—BLACK ASH. (Bark.) Habitat: United States. Tonic and astringent. Dose: 1 to 4 dr. (4 to 15 Gm.).

A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.