In the 1970s, two of the most influential thinkers of the psychedelic era gathered what was then known about psilocybin botany and culture and presented it in Psilocybin: Magic Mushroom Grower’s Guide. Writing under pseudonyms, the McKenna brothers provided simple, reliable, and productive methods for magic mushroom propagation, including black-and-white photographs that showed the techniques of the time.The development of more modern cultivation technique...