Under the guidance of his friend Dr Humphry Osmond Mayhew ingested 400 mg of mescaline hydrochloride and allowed himself to be filmed for the duration of the trip.
In Mexico, Aztekium ritterii it is called “Peyotillo.” However, even though it contains N-methyltyramine, hordenine, anhalidine, mescaline, N,N-3,4-dimethoxyphenethylamine, pellotine, and 3-methoxytyramine, there have been no ethnobotanical reports that state that it has ever been used by native Indians.
Classical or serotonergic psychedelics (agonists for the LSD (also known as "acid"), psilocin (the active constituent of psilocybin mushrooms, commonly known as "magic mushrooms" or "shrooms"), mescaline (the active constituent of peyote), and DMT (the active constituent of ayahuasca and potentially an endogenous psychedelic compound).