Psilocybe pseudocyanea

Psilocybe pseudocyanea (Desm.) Noordel


synonyms:
Psilocybe pseudocyanea (Desmazieres: Fries) Noordeloos
Stropharia pseudocyanea (Desmazieres) Morgan
Stropharia albocyanea (Desmazieres) Quelet


probably nonactive

Macroscopic feat.:
  • Cap/Pileus: 1-3 cm, conic-convex, expanding to acutely to bluntly umbonate, whitish with azure to bluish green tinges, fading to straw or cream colored. Surface viscid from a separable gelatinous pellicle. Margin adorned with remnants of the partial veil. Flesh bluish green, fading to azure, then pale bluish green and eventually straw colored.
  • Gills/Lamellae: Attachment adnate, pale fawn to purplish, with toothlike edges.
  • Stem/Stipe: 35-70 mm long by 2-5 mm thick, equal, slim, flexuous, bluish green to azure blue to straw colored, soft, easily breaking, pruinose-flocculose particularly towards the apex. Partial veil membranous, leaving a membranous annulus, degrading into an annular zone.

Microscopic feat.:
  • Basidio/Spores: Purplish brown in deposit, ellipsoid, 7-9 by 4-5 µm.
  • Basidia: 4-spored.
  • Cheilocystidia: Capitate-clavate to lageniform capitate, 24-44 by 4-8 µm by 4-5 at apex when narrowing, or 6-12 µm when swollen.

Habitat: Prefers tall grass in wetlands, marshes, and meadows, or tall shrubs along trails at field-forest interfaces. Known from the British Isles, much of northern Europe, and the Pacific Northwest. Probably more widely distributed.

Comment: Activity unknown. Due caution is advised. Psilocybe pseudocyanea is closely related to Psilocybe aeruginosa and Psilocybe caerulea. All of these species were formerly placed in the genus Stropharia but recently transferred to Psilocybe by Noordeloos (1995). The smaller spores, soft stem, and wetland habitats are classic features. The edibility of this species is not well documented. The bluish color and its close taxonomic relationship to active species makes Psilocybe pseudocyanea a likely candidate for activity. However, caution is always recommended with these less-studied species that lack an experiential history.

source - Paul Stamets "Psilocybin Mushrooms of the World"

Pictures at www.mushroomobserver.org

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Psilocybe pseudocyanea_0
link: Psilocybe pseudocyanea - foto 1


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link: Psilocybe pseudocyanea - foto 2



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