The folk-lore tales of the settlement called Milpa Alta, in the Federal District, Mexico, not far from Mexico City, have preserved many legends from old Aztec times, as this community was originally settled by some noble Aztec families fortunate enough to escape with their goods from the Spaniards at the time of the conquest by Cortés. In several of these legends the chalchihuitl (a green stone, often nephrite or jadeite) is mentioned. Thus it is said that when some minor divinity sees fit to confer upon a man or woman the endowments of a _tlamátque_ or “sage,” he gave warning of this in a dream, and the truth of the vision was confirmed when, during the ensuing day, the dreamer found on the ground within his enclosure idols of _chalchihuitl_, or fragments of obsidian, which were believed to have fallen from the sky, this usually occurring during a rainstorm. Evidently the rain had washed them out of the earth or volcanic ash in which they had been buried. These objects were immediately picked up and preserved, as they signified that the person whose dream had thus been verified was admitted to the companionship of the gods. There appears to have followed some initiation ceremony to render definite the consecration of the chosen _tlamátque_, and this was to be connected with a fiery ordeal, the traces of which in scars or severe burns, and sometimes even in the loss of eyesight, served to recommend the “sage” to those seeking his aid. This was called for in cases of illness and also for the finding of hidden treasure and for predictions of the weather. In attempting to effect cures, the _tlamátque_ made use of pieces of jade as talismans, fortified by elaborate exorcisms and prayers.[615]