Featured on PDR in the essay Brilliant Visions: Peyote among the Aesthetes

Used by the indigenous peoples of the Americas for millennia, it was only in the last decade of the 19th century that the powerful effects of mescaline began to be systematically explored by curious non-indigenous Americans and Europeans. Mike Jay looks at one such pioneer Havelock Ellis who, along with his small circle of fellow artists and writers, documented in wonderful detail his psychedelic experiences.