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''Psilocybe hoogshagenii'' is species of psilocybin mushroom in the Strophariaceae family. The mushroom has a brownish conical or bell-shaped cap up to wide that has an extended papilla up to 4 mm long. The stem is slender (up to 3 mm thick) and long. The variety ''P. hoogshagenii'' var. ''convexa'' lacks the long papilla. The species is found in Mexico, where it grows singly or in small groups in clayey soils in subtropical coffee plantations, and from Colombia and Brazil in South America. The mushroom contains the psychedelic compounds psilocybin and psilocin, and all parts will stain blue or bluish black when handled or injured. ''P. hoogshagenii'' is used for divinatory purposes by some indigenous groups in Mexico. ==Taxonomy== The species was first described scientifically by French mycologist Roger Heim in 1958.〔 It was one of several species described and illustrated in the popular American weekly magazine ''Life'' ("Seeking the Magic Mushroom"), in which R. Gordon Wasson recounted the psychedelic visions that he experienced during the divinatory rituals of the Mixtec people, thereby introducing psilocybin mushrooms to Western popular culture;〔 it was however, mislabeled as ''Psilocybe zaptecorum''.〔 Similarly, ''Psilocybe'' specialist Gastón Guzmán suggests that ''P. zapotecorum'', as described by Rolf Singer in 1958,〔 is misidentified as it agrees well with the type of ''P. hoogshagenii''.〔 The species ''Psilocybe caerulipes'' var. ''gastonii'', described by Singer in 1958,〔 is a synonym of ''P. hoogshagenii''.〔 The species is named in honor of American anthropologist Searle Hoogshagen,〔 who helped Heim and Wasson in their search for entheogenic mushrooms in Mexico.〔 The mushroom is known locally by several common names. In Spanish, it is called ''los niños'' or ''los Chamaquitos'' ("the little boys"), in Mazatec as ''pajaritos de monte'' ("little birds of the woods"), in Nahuatl as ''cihuatsinsintle'' or ''teotlaquilnanácatl'' ("divine mushroom that describes or paints"), and in Mixe as ''Atka:t'' ("judge") or ''na.shwi.ñ mush'' ("mushrooms of the earth").〔 The variety ''P. hoogshagenii'' var. ''convexa'' was described by Guzmán in 1983 to account for mushrooms without an acute papilla that were otherwise roughly the same as the type variety. ''Psilocybe semperviva'', described by Heim and Roger Cailleux in 1958,〔 was later determined by Guzmán to be synonymous with ''P. hoogshagenii'' var. ''convexa''.〔 The varietal epithet ''convexa'' refers to the convex shape of the cap.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Psilocybe hoogshagenii」の詳細全文を読む スポンサード リンク
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