Vervain

Vervain is the holy herb, counted among the great plants of medicine and of charm. Healers use it against fevers, and for wounds and ulcers. It is held to guard against witchcraft and plague. It is called Herb of the Cross and Simpler’s Joy. It is said to have been used to staunch the wounds of the crucified, which is why it is held so sacred.

See also: Garlic, Aconite