San Pedro cactus
From Taimapedia
The San Pedro cactus is a green cactus with small spines and 4-6 ridges. It contains mescaline along with the Peruvian Torch cactus and Peyote. In the United States, it is legal to cultivate only for decorative purposes.
[edit] See Also
Cacti
Consuming psychoactive cacti
Mescaline
