Peyote

The peyote cactus by nature is normally found in desert or semi-arid environments. Peyote has been used for centuries in the Americas by Native Americans in religious ceremonies. Native Americans still use peyote for this purpose, the only use allowed under law in the United States.

Mescaline, the active psychotropic ingredient in peyote, producing similar effects and comparative "trip" lengths to that of LSD. A normal dosage of peyote may vary from 350 to 500 milligrams. Peyote normally is ingested but also may be dried and smoked.