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Page number:929 
Remarks (internal):This collection is remarkable because of the habit, zonated pileus etc. It comes close to E. pseudosericeoides in habit, colour, and structure of the covering layer of pileus, but the latter species has substantially smaller, isodiametrical spores, and a heterogeneous lamella edge. Entoloma cettoi is a paler species without incrusting pigment, and with abundant clamp-connections. 
Description type:Original description 
Description:Entoloma enderlei Noordel., sp. nov. (fig. 320)
Pileus 30-60 mm, plano-convex, umbilicate, then expanding to plano-concave or subinfundibuliform, not hygrophanous, dark brown to red-brown, darker at centre, more or less distinctly concentrically zoned, finely fibrillose-tomentose, becoming distinctly minutely squamulose to small triangular squamules with uplifted tips with age. Lamellae adnate-emarginate with decurrent tooth, crowded, ventricose, up to 8 mm wide, sordid cream-coloured then with greyish brown tinge, almost without pink, with flocculose, concolourous edge. Stipe 30-70 x 2-4 mm, cylindrical, somewhat broadened at base, grey-brown to grey, with a few scattered paler fibrils, otherwise almost glabrous, but not distinctly polished. Context thin, pallid. Smell indistinct, when crushed somewhat unpleasant.
Spores 9.0-14.0 x 6.0-8.0 (-8.5) ?m, av. 11.8 x 7.1 ?m, Q = 1.5-1.65-1.8, variable in shape, from rather regularly 6-angled to many-angled almost nodulose, with blunt angles. Basidia 18-34 x 5.0-9.0 ?m, 4-, rarely also 2-spored, clampless. Lamella edge entirely sterile, consisting of a dense band of parallel hyphae running along edge with patent, septate terminal endings, terminal elements cylindrical to subclavate, 27-60 x 5.0-10 ?m, pigment less. Hymenophoral trama regular, made up of cylindrical elements with straight septa, 60-200 x 7.0-15 ?m, with granulose, pale brown pigment in some hyphae. Pileipellis a cutis with transitions to a trichoderm, made up of cylindrical hyphae, 5.0-17 ?m wide with long, cylindrical to subclavate terminal elements, 40-200 x 4.0-20 ?m, with pale brown intracellular pigment and a few minute incrustations, particularly on the narrow hyphae in the subpellicular layer. Clamp-connections absent.
Habitat and distribution: terrestrial in mossy grassy vegetation or heaths, close to Betula. So far only known from the type locality in Germany.
 
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