Chelido'Nium Ma'Jus, Chelidonium, Celandine. The entire plant, collected when beginning to flower, official 1880-1900; Europe, N. America. Perennial light green plant, .6 M. (2°) high, emitting when wounded a saffron-yellow, opaque juice; leaves pinnate, 10-20 Cm. (4-8') long; flowers yellowish; root reddish-brown, several-headed, branching; fruit capsule, linear, 2-valved; seed numerous; odor unpleasant when fresh; taste acrid; contains chelerythrine, chelidonine, α- and β-homochelidonine, chelidoxanthin, sanguinarine, protopine, chelidonic (jervic) acid, chelidoninic (ethylenesuccinic) acid, gum, chlorophyll; solvents: water, alcohol. Cathartic, diuretic, diaphoretic, expectorant; used by ancients as now for jaundice, dropsy, intermittent fever, scrofula, skin diseases; externally - warts, corns, eczema, urticaria, itching eruptions; fresh herb in amenorrhoea, as a vulnerary. Dose, dried plant, gr. 15-60 (1-4 Gm.); fresh plant, 3 j - 2 (4-8 Gm.); extract, gr. 10 (.6 Gm.); fluidextract, 3ss-l (2-4 Ml. (Cc.)); infusion, 5 p. c, ℥j-2 (30-60 Ml. (Cc.)); expressed juice (fresh plant), x-20 (.6-1.3 Ml. (Cc.)).
Fig. 150. - Chelidonium majus: showing fruit, flowers, ovary, and seed.
2. Glau'cium Glaucium (lu'teum), Yellow Horned Poppy, and G. cornicula'tum. - Both are similar to chelidonium; contain yellow juice and nearly identical alkaloids, hence used for about the same purposes.
3. Bicucul'la (Dicen'tra) canaden'sis, Corydalis, Squirrel Corn; Canada to Ky. Small perennial; tubers often in 3's, 6-10 Mm. (1/4-2/5') thick, yellowish, horny, bitter; corydaline, fumaric acid, bitter extractive, resin, starch. Tonic, diuretic, alterative; syphilitic, scrofulous and cutaneous affections. Dose, gr. 10-30 (.6-2 Gm.); fluidextract (75 p. c. alcohol); comp. elixir, 6 p. c,. + .