Caltha palustris

Natural History.
      Marsh Marigold. N. O. Ranunculacee. Tincture of fresh shoots and flowers.

Clinical.
      Cancer.
      Pemphigus.

Characteristics.
      This is an unproved remedy, but it has irritant properties like the other Ranunculacee. Hansen gives as indications: "Pemphigus, bullae are surrounded by a ring, much itching.
      On the third day they are transformed into crusts.
      " Cooper has used it with excellent effect in a case of uterine cancer, giving single doses of the f tincture at long intervals.