This article encompasses the mythology and shamanic ethnobotany (or entheobotany) of coca (Erythroxylum coca Lamarck, Erythroxylum novogranatense [Morris] Hieronymus [each having two varieties—var. coca Lamarck and var. ipadu Plowman; and var. novogranatense (Morris) Plowman and var. truxillense (Rusby) Plowman; respectively], and likewise several wild Eryth- roxylum-species which may be...
A summary is presented of human self-experiments or psychonautic bioassays of pharmahuasca--capsules containing crystalline N,N-dimethyltryptamine (DMT) plus harmine, as well as combinations of other psychoactive tryptamines with other beta-carbolines. The 1967 Holmstedt-Lindgren hypothesis of the ayahuasca effect--oral psychoactivity of DMT consequent to monoamine-oxidase (MAO) inhibition from...