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 water and burned, spirits can be summoned" and "The seeds are like "langdang" ("Hyoscyamus niger"), if burned, spirits can be summoned; but this [sorcery] method has not been observed." (tr. Li 1977: 167). Li Hui-Lin notes this plant "has not been noted as a hallucinogenic plant in modern works. In fact, as far as I am aware, it has not been investigated medicinally or chemically" (1977: 168). The "fangkui" ( ""Peucedanum japonicum"") root is used in Chinese medicine, and, like the previous cat's claw, has not been noted as a hallucinogenic in modern works. The c. 510 "Tao Hongjing mingyi