Psilocybe inquilinus (Fr.: Fr.) Bres. Iconogr. mycol. 18: pl. 863. 1931. -- Halmkaalkopje
beknopte beschrijving:
oed 4-20 mm, roodbruin in het midden, naar de rand meer geelbruin, doorschijnend
gestreept tot halverwege, kleverig met een aftrekbare hoedhuid, velum
spoedig verdwijnend bij het uitgroeien. Plaatjes bleek bruin. Steel geel- tot roodbruin,
vezelig.
Sporen 7.0-10 x 5.0-7.0 x 4.0-6.0 µm, ei- tot ruitvormig
in vooraanzicht, dunwandig, met kiempore.
Op dood gras, vooral op Witbol, Holcus lanatus
Het Halmkaalkopje wordt gemakkelijk verwisseld met het veel algemener
voorkomende Graskaalkopje, P. subviscida
uitgebreide Engelse beschrijving:
macroscopy:
Pileus -21 mm, conical or hemispherical at first, expanding to plano-convex or applanate,
often with small, blunt papilla, with slightly deflexed or straight margin, which often e
xceeds the lamellae, hygrophanous, translucently striate up to half or three-quarter of t
he radius, reddish brown at centre, paler towards margin (Mu. 5 YR 4-5/6-8, 7.5 YR 7-6/6-
8, margin 7.5 YR 4-7/4-6), strongly pallescent on drying, strongly viscid with pellicle
entirely separable as a thin, gelatinous membrane. Veil usually distinct in form of small
fibrillose-arachnoid patches, especially in marginal zone, but never appendiculate, often
(partly) disappearing with age. Lamellae, L = 12-26, l = 1-7, moderately crowded, broadl
y adnate with decurrent tooth, sometimes emarginate with decurrent tooth, segmentiform t
o subventricose, pale brown then reddish yellow to reddish brown (7.5 YR (5-)6-7/4-6, ra
rely 5 YR 6/5), lacking a purple or red-brown tint when old, with fimbriate, slightly pa
er edge.
microscopy:
Spores 7.0-10.0 x 5.0-7.0 x 4.0-6.0, average = 7.8-8.6 x 5.9-6.1 x 5.0-5.3; ovoid to subrhomboid or slightly angular, Qf = 1.2-1.4-1.6, ellipsoid-oblong, Qs = 1.4-1.6-1.8 in side-view, with thin or only slightly thickened, pale brown walls, with small to medium-sized apical germ-pore. Basidia, 4-spored. Cheilocystidia 15-32 x 3.0-10 µm, lageniform with 1.5-4.0 µm wide, blunt neck. Pileipellis an 70-130 µm thick ixocutis of narrow, cylindrical, 1.0-3.0 µm wide, colourless or finely incrusted hyphae; subpellis com-pact, made up of cylindrical to inflated elements, 20-90 x 3.0-15 µm with strong brown incrusted walls. Clamp-connections present in all tissues.
Ecology:
Saprotrophic, usually in small groups, on dead leaves of grasses and sedges.
Distribution:
Wide spread all over the temperate zone.
Comment:
