Caltha palustris, Cowslip.

Botanical name: 
Please read the introduction to Boericke's tinctures.

Pain in abdomen, vomiting, headache, singing in ears, dysuria and diarrhoea. Anasarca.
Skin.--Pemphigus. Bullae are surrounded by a ring. Much itching. Face much swollen, especially around the eyes. Itching eruption on thighs. Pustules. Uterine cancer.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.