Lophophora williamsii
Photo: Frank Vincentz

A spineless, tufted, blue-green, button-like cactus, known botanically as LOPHOPHORA WILLIAMSII, is the most famous of the hallucinogenic cacti and was the first hallucinogenic compund isolated by man. 

It grows wild from Central Mexico to Northern Texas. It’s known history dates back to pre-Columbian times; possibly as early as 300 B.C. It was in 1896 that Arthur Heffter extracted mescaline from Peyote and tested it upon himself.  About 350 mg of mescaline is required for a psychotropic experience, although definite effects can be felt from as little as 100 mg.

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