Marasmius querceus Britzelm.

Diagnosis original:  FLORA AGARICINA NEERLANDICA - VOLUME 3 - Tricholomataceae (2)C. Bas, Th.W. Kuyper, M.E. Noordeloos & E.C. Vellinga. Illust. R.Van Crevel & J. Van Os - A
Pilews 5-35 mm, hemispherical to conico-convex expanding to convex
or planor oapp-lanacte, osomentimevs wieth sxligh tly depressed centre, with margin invoro inlfleuxedt at efir st, then straori rgefhlexted , undulating, strongly hygrophanous, whea moist translucently striate up to centre, pale to dark reddish brown, grey-brown or ochraceous brown, paler towards margin (at centre Mu. 10 YR 3-4/4, at margin 10 YR7-8/4, 2.5 ¥ 8/2), pallescent upon drying to pale grey-brown or greyish ochraceous, dull, glabrous, opaque. Lamellac, L = 17-23, 1 = 1-7, (almost) free, rather crowded, narrowly segmentiform or subventricose, sometimes intervpaele nyelolosw teo ,pal e yellow-(bMur. o1w0 nYR8/3 of 6/3, 2.5 Y¥ 8/4) with entire, concolorous edge. Stipe 40-75 x 1-4 mm, cylindrical, often slightly broadened towards base, rarely compressed8/3 of 6/3, 2.5 Y¥ 8/4) with entire, concolorous edge. Stipe 40-75 x 1-4 mm, cylindrical, often slightly broadened towards base, rarely compressed sometimes intervpaele nyelolosw teo ,pal e yellow, with groove, at apex concolorous with lamellae, downwards sepia or red-brown, dark red-brown to almost black at base (10 YR 7/4 at apex, at middle 7.5 YR 4/2, at base 7.5 = 2.5 YR 3/4 of 5 YR 3/3), finely white pruinose to hairy all over, with white basal mycelium. Context concolorous with surface, Smell strongly like garlic. Taste sharp, like garlic. Spore print white. = Spores 7,5-9.0 x 3.5-5.5 pm,, Q = 1.6-2.5ened walls. Caulocystidia 20-120 3-7, cylindrical, thin-walled, sometimes septate, colourless, with rounded apex. Clamp-connectipornessent
in all tissues. CHEMICAL REACTIONS — No part of fruitbody amyloid or dextrinoid; hyphae at apex of stipe weakly metachromatical in cresyl blue.
HABITAT& DISTR. — Solitary or in small groups on dead leaves of Quercus in humus-rich forest. Rare, known from a few localities incoastal dune-forests and in the eastern and southern parts of the Netherlands.