nonactive

Macroscopic feat.:

• Cap/Pileus: 1-4 cm broad. Obtuse to hemispheric to convex and finally broadly convex in age. Occasionally with an umbo. Light yellow to deep straw yellow when fresh, not hygrophanous. Surface smooth, viscid to extremely viscid to glutinous from a separable gelatinous pellicle. Flesh form, watery buff, not bruising.
• Gills/Lamellae: Attachment adnate, broad, close to subdistant, with one to two tiers of intermediate gills. Grayish when young, becoming purplish brown with spore maturity, edges remaining pale to whitish.
• Stem/Stipe: 30-120 mm long by 2-5 mm thick. Equal to slightly enlarged downwards. Surface below annular zone, whitish to nearly concolorous with cap, viscid to extremely viscid to glutinous in the lower two thirds of the stem. Partial veil glutinous, leaving an annular zone of fibrils, soon darkened. Flesh stuffed with a yellowish pith at first, and becoming hollow with age. No bruising reaction.

Microscopic feat.:

• Basidio/Spores: Dark purplish brown in deposit, ellipsoid, 15-19 by 8-10 µm.
• Basidia: 4-spored.
• Cheilocystidia: Present, narrowly fusoid-ventricose with a long, flexuous neck, 26-38 by 6-9 µm.
• Pleurocistidia: Difficult to find, 32-46 by 9-14 µm.

Habitat: Single to gregarious on cow or horse dung in the spring, summer, and fall. Widely distributed throughout North America and much of the temperate regions of the world.

Comment: Not active. Psilocybe semiglobata, formerly known as Stropharia semiglobata, is included here because this mushroom is prolific in habitats also frequented by the active Psilocybes and Panaeoli. I have often found Psilocybe merdaria, Psilocybe coprophila and Panaeolus papilionaceus sharing the same habitat with Psilocybe semiglobata. The natural affinities between these Psilocybes is obvious to all who have collected them. The uniquely glutinous veil disthinguishes this species from close relatives.

source - Paul Stamets "Psilocybin Mushrooms of the World"

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