Psychedelic experience sources of some psychedelic drugs such as ayahuasca and mescaline-containing cacti are sometimes referred to as "plant teachers". Similarly, in a follow-up to the psilocybin and mysticism study at Johns Hopkins, researchers observed that psilocybin: "occasions personally and spiritually significant mystical experiences that predict long-term changes in behaviors, attitudes and values". Psychedelic experience includes the full range of mystical or religious experiential phenomena. Two scientific studies have concluded that psilocybin (a typical psychedelic compound that occurs naturally in psilocybin mushrooms) reliably triggers mystical-type experiences. The more recent study at Johns Hopkins University identified mystical experiences by means of several questionnaires
Hallucinogenic plants in Chinese herbals English herbal, pharmacopoeia, or materia medica. This word compounds "ben" "(plant) root/stem; basis, origin; foundation; book" and "cao" "grass; herb; straw". Although "bencao" is sometimes misinterpreted as "roots and herbs", the approximate meaning is "[pharmaceutics whose] basis ["ben"] [is] herbs ["cao"]" (Unschuld 1986: 14). These works deal with drugs of all origins, mainly vegetable but also mineral, animal, and even the human body. The Chinese botanist, academic, and researcher Hui-lin Li (1911-2002) wrote seminal articles about the history and use of hallucinogenic plants in China. Li cites a story in Li Shizhen's 1596 magnum opus "Bencao gangmu" as the first