The alkaloid from Banisteria Caapi is also in pharmacological terms identical to the harmine, an alkaloid from Peganum Harmala, in chemical, clinical, and physical studies as confirmed by Gunn. The pharmacological points of attack are in the warm blood of the certain brain centers, primarily the Thalamostriian system and the brain cortex. The characteristic reaction is a continuous shaking of the whole body and a mental state of excitation after toxic doses of epileptiform convulsions.