152. Liriodendron.—Tulip-tree bark.
152. LIRIODENDRON.—TULIP-TREE BARK. From Lirioden'dron tulipi'fera Linné. Habitat: United States westward to Kansas. In quills and curved pieces obtained from the branches. These quills and pieces are about 2 mm. (1/12 in.) thick; outer surface purplish-brown, with thin ridges forming elongated meshes; nearly inodorous; taste pungent and bitter. Tonic, febrifuge and vermifuge. Dose: 1 to 2 dr. (4 to 8 Gm.) in infusion or fluid extract.
Preparation of Liriodendrin.—Concentrate the alcoholic tincture; add water until a permanent turbidity commences to appear. Set aside to evaporate spontaneously. It forms, when purified, white needles or small scales. Insoluble in water, soluble in ether and alcohol.