In the medieval period preparations with hallucinogenic herbs were part of the practice of veneficium, or poison magic. This collection of magical arts used poisons, herbs, and rituals to bewitch, heal, prophesy, infect, and murder. In the form of psyche-magical ointments, poison magic could trigger powerful hallucinations and surrealistic dreams that enabled direct experience of the Divine. Smeared on the skin, these entheogenic ointments were said to enable witches to commune with various local goddesses, bastardized by the Church as trips to the Sabbat--clandestine meetings with Satan to learn magic and participate in demonic orgies. Examining trial records and the pharmacopoeia of witches, alchemists, folk healers, and heretics of the 15th century, Thomas Hatsis details how a range of ideas from folk drugs to ecclesiastical fears over medicine women merged to form the classical 'witch' stereotype and what history has called the 'witches' ointment.' He shares dozens of psychoactive