Psilocybe velifera (Favre) Singer, Agar. mod. taxon. 4. edn.: 572. 1986. -- Alpenkaalkopje

beknopte beschrijving:

Hoed 5-20 mm, okerbruin, niet of nauwelijks doorschijnend getreept, iets kleverig, maar hoedhuid niet aftrekbaar, met overvloedig velum op de hoed en afhangend aan de hoedrand als grove vlokken. Plaatjes bleekbruin. Steel 10-30 x 3-3.5 mm, relatief stevig, bruin, met overvloedig velum als een ringvormige zone aan de top en vezeltjes over de hele lengte.
Sporen 7.0-9.0 x 4.0-5.5 x 4.0-5.5 µm, niet afgeplat, met een duidelijke kiempore en vaak met iets uitgetrokken top
In pollen van Zegge (Carex) in subalpine moerassen

Dit is een soort uit de Alpen, waarvan de verspreiding slecht bekend is.

uitvoerige Engelse beschrijving:

macroscopy:

Pileus up to 16 mm, conico-convex to convex with deflexed margin, fleshy, particularly at centre, hygrophanous, slightly translucently striate at margin in water-soaked specimens, deep ochre-brown when moist, slightly viscid, pallescent on d rying to beige, shining.Veil present during a long time in form of white flocks at margin of pileus. Lamellae, L = 18-27, l = 1-3, moderately crowded, adnate to decurrent, up to 3.5 mm, thin, deep brown, not purplish, paler towards white, fimbriate-serrate edge. Stipe up to 30 x 3-3.5 mm, equal, stuffed then fistulose, flocculose in young specimens then densely white fibrillose, pale, almost white at apex, brown below, dark grey-brown at base. Partial veil covering the young lamellae as a membranaceous, whitish structure, which leaves flocks at pileal margin, and rarely also a small ring at stipe when mature. Context grey-brown in the moist pileus, then beige on drying, beige in apex of stipe, dark grey-brown in base of stipe. Smell and taste indistinct. Spores purple when on sterigmata, but ochre-brown in water. Spore print color not known.

microscopy:

Spores 7.0-9.0 x 4.0-5.5 x 4.0-5.5, average 7.7-8.0 x 4.8 x 4.8 µm, slightly flattened, ovoid to submitriform, sometimes almost limoniform in frontal view, Qf = 1.4-1.6-1.8, ellipsoid-oblong, often somewhat amygdaliform or with almost papillate apex in side-view, Qs = 1.45-1.7-1.8, moderately thick-walled, yellow-brown in ammonia, with distinct, often fairly large germ-pore. Basidia 17-22 x 4.0-7.0 µm, 4-spored, clamped. Lamella edge sterile. Cheilocystidia 21-37 x 4.0-7.0 µm, Q = 3.9-5.9-7.8, with subacute to blunt, 1.5-3.0 µm wide apex, thin-walled. Pleurocystidia absent. Hymenophoral trama regular, made up of inflated elements, 15-57(-90) x 4.0-13.5 µm with smooth walls. Pileipellis a cutis of cylindrical hyphae, 2.0-5.0 µm wide, not clearly separated from subpellis; subpellis made up of chains of short, inflated elements, 17-74(-90) x 4.0-12 µm, gradually passing into pilietrama. Pileitrama subregular, made up of inflated elements, 20-120 x 3.0-15 µm. Pigment yellow-brown, membranal and finely incrusting in subpellis and upper pileitrama. Stipitipellis a cutis of 1.5-4.5 µm wide cylindrical hyphae. Clamp-connections present.

ecology:

in tussocks of living Carex in subalpine marsh.

distribution:

poorly known: probably confined to the Alps.

comment: