Mescaline Mexico. Europeans noted use of peyote in Native American religious ceremonies upon early contact, notably by the Huichols in Mexico. Other mescaline-containing cacti such as the San Pedro have a long history of use in South America, from Peru to Ecuador. In traditional peyote preparations, the top of the cactus is cut off, leaving the large tap root along with a ring of green photosynthesizing area to grow new heads. These heads are then dried to make disc-shaped buttons. Buttons are chewed to produce the effects or soaked in water to drink. However, the taste of the cactus is bitter,
Marah (plant) bubbles. It is likely that the substance enters the fish's circulation through the gill arches where only a single-cell epithelium separates the water from the animal’s red blood cells. The affected fish float to the surface. Like many medicinal plants, at least some "Marah" species are toxic if ingested and deaths have been reported from ingesting them. Seeds of "Marah fabaceus" have been reported as being hallucinogenic. Marah (plant) Marah (the manroots, wild cucumbers, or cucumber gourds) are flowering plants in the gourd family (Cucurbitaceae), native to western North America. They are also commonly called Old man in the ground.