Edward Stone (natural philosopher) piece of bark from a willow tree and was struck by its extremely bitter taste. Knowing that the bark of the Peruvian cinchona tree − from which quinine (used in the treatment of malarial fevers) is derived − has a similarly bitter taste, he surmised that the willow might also have therapeutic properties. Stone's interest in willows was due to the ancient "doctrine of signatures" – whereby the cause of a disease offers a clue to its treatment. According to Stone: "As this tree delights in a moist or wet soil, where agues chiefly abound, the general maxim that many
Tree of the Virgin Tree of the Virgin The Tree of the Virgin is a sycamore tree in the El Matareya suburb of Cairo, Egypt. According to local beliefs, the Virgin Mary and Saint Joseph stopped at El Matareya (then a small village) on the Flight into Egypt. Mary rested against the tree and a spring of water sprang up near it for Mary to wash Jesus. For many years its bark was taken by Christians in the belief that it had miraculous properties. It has been a place of pilgrimage for Coptic Christians for many centuries, who come to pray by it or