Cinchona in quinology to examine the contents of these components in assays. The yields of quinine in the cultivated trees were low and it took a while to develop sustainable methods to extract bark. In the meantime Charles Ledger and his native assistant Manuel collected another species from Bolivia. Manuel was caught and beaten by Bolivian officials leading to his death but Ledger obtained seeds of high quality which were offered to the British who were uninterested, leading to the rest being sold to the Dutch. The Dutch saw its value and multiplied the stock. The species later named as "Cinchona
Tree of the Virgin touch it, believing that it will heal illness. Next to the tree is a small chapel in El Matareya. 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