Erechthites hieracifolia, Fire-weed.

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

A haemorrhagic remedy. Epistaxis of bright blood. Haemorrhage from any part, especially lungs; always attended by excitement of the circulation. Flashes of heat and coldness. Scanty urine, oedema of the extremities.
Skin.--Symptoms like Rhus poisoning.
Relationship.--Compare: Erig; Millef; Hamam; Rhus.
Dose.--Tincture. Locally for Poison Oak.

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