The botany and chemistry of hallucinogens schuttes richard hofmann alfred 9780398064167 books amazonca. The botany and chemistry of hallucinogens richard evans schultes 9780398024017 books amazonca. Definitive masterful wonderful coverage of the plant entheogens organized by botanical families and well illustrated with drawings photos and chemical formulas much on ethnobotany history and chemistry as well many new intriguing species to explore special chapters on possible new hallucinogens. The botanical and chemical distribution of hallucinogens richard evans schultes phd out of the vast array of species in the plant kingdom variously estimated at from 200000 to 800000 a few have been employed in primitive societies for millennia to induce visual auditory tactile and other hallucinations. The botany and chemistry of hallucinogens alcohol and alcoholism volume 8 issue 3 1 july 1973 pages 122 https doiorg 101093 oxfordjournalsalcalca046