Chelido'nium ma'jus, Chelidonium, Celandine. -- The entire plant, collected when beginning to flower, U.S.P. 1880-1890; Europe, N. America. Perennial light green plant, .6 M. (2 degrees) 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, a- and s-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 amenorrhea, as a vulnerary. Dose, dried plant, gr. 15-60 (1-4 Gm.); fresh plant, 3j-2 (4-8 Gm.).

Chelidonium Majus: showing fruit, flowers, ovary, and seed.