A New Mexican Psychotropic Drug
The first scientific identification of Salvia divinorum, published in Harvard's Botanical Museum Leaflets. Wasson reports ingesting the Mazatec 'leaves of the Shepherdess' at two ceremonies in Oaxaca in 1961-62, attended on the second occasion by Albert Hofmann and his wife.
External source1962
Academic Article
Ethnobotany
R. Gordon Wasson