A genus of small mushrooms in the family Strophariaceae. Some species are known for their hallucinogenic properties.
Psilocybine
The major of two hallucinogenic components of Teonanacatl, the sacred mushroom of Mexico, the other component being psilocin. (From Merck Index, 11th ed)
Mushroom Poisoning
Poisoning from ingestion of mushrooms, primarily from, but not restricted to, toxic varieties.