A musical performance named for this substance is characterized by syllabic chants of “hey ne no wa” and is supervised by the Road Man. Women have a lock of hair cut if they menstruate while in Wirikuta due to a belief that their menstruation spoils this substance, which the Huichol people annually “hunt” in a spiritual ritual. John Wilson became known as the “revealer” of this substance for his proselytization of the Big (*) Moon ceremony. This substance led to the Employment Division of Oregon v. Smith (10[1])case and was legalized (10[1])by the American Indian Religious Freedom Act. The “road” of this “sacred medicine” alternately names the Native (10[1])American Church widespread in the Southwest. For 10 points, name this hallucinogenic cactus. ■END■