History of aspirin tree in 1758 and noticed an astringency reminiscent of the standard—and expensive—ague cure of Peruvian bark. He collected, dried, and powdered a substantial amount of willow bark, and over the next five years tested it on a number of people sick with fever and agues. In his letter, Stone reported consistent success, describing willow extract's effects as identical to Peruvian bark, though a little less potent. (In fact, the active ingredient of Peruvian bark was quinine, which attacked the infectious cause of malaria, while the active ingredient of willow extract, salicin, relieved the symptoms of malaria but could not cure
Son of the Tree Son of the Tree Son of the Tree is a science fiction novella by Jack Vance. It was first published in "Thrilling Wonder Stories" magazine, June 1951, and in book form as half of an Ace Double in 1964 together with "The Houses of Iszm". The version that appears in the Ace Double is still less than novel length at about 31,000 words, but is essentially the same as the original magazine version. "Son of the Tree" was re-published as a stand-alone volume in 1974 by Mayflower. One of Vance's earliest efforts, and part science fiction, part espionage story, protagonist