Plants of the Gods

Few books in this field carry the authority of Plants of the Gods. Richard Evans Schultes spent decades in the Amazon and effectively founded the discipline of ethnobotany; Albert Hofmann synthesised LSD and isolated psilocybin; Christian Rätsch, who revised and expanded the book for its 2001 edition, was the leading German-language authority on psychoactive plants. Together they produced what is still the most readable overview of how human cultures have used hallucinogenic plants — peyote, the psilocybin mushrooms, ayahuasca, iboga, the fly agaric, cannabis, datura, San Pedro, morning glory seeds and others — in ritual, healing and daily life.

The book is organised in three parts. An opening section explains what hallucinogens are, how they act on the body and how they are distributed around the world, with Hofmann's chemistry made accessible through clear diagrams of the tryptamine, phenethylamine and other molecular families. A lexicon then catalogues 97 plants with botanical illustrations and one-paragraph summaries. The heart of the book is the third part: fourteen long chapters, each devoted to one major plant or plant complex, illustrated with photographs, historical engravings and indigenous art. The writing is scholarly but never dry, and the layout — this is a large-format, heavily illustrated volume — makes it a book to browse as much as to read. Its limitation is scope: it is about plants and fungi in traditional cultures, so LSD, MDMA and modern clinical research get only passing mention.

For microdosing practitioners it offers something the protocol literature rarely does: context. Understanding that psilocybin mushrooms were used ceremonially in Mesoamerica for thousands of years, that mescaline cacti are a sacrament rather than a recreational drug in the cultures that know them best, and that dosage, preparation and setting have always been surrounded by rules, changes how one approaches even a sub-perceptual dose. It also makes clear how narrow the modern focus on two or three substances is compared with the pharmacopoeia humans have actually explored.