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 case and was legalized by the American (10[1])Indian Religious Freedom (10[1])Act. The “road” of this “sacred medicine” alternately names the Native American Church widespread in the Southwest. For 10 points, name this hallucinogenic cactus. ■END■ (10[1])