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Page number:130 
Remarks (public):Entoloma sericeoides is closely related to Entoloma sericeum on account of the colours of pileus and stipe and the isodiametrical spores, but differs in having a deeply umbilicate pileus and in the absence of clamp-connections 
Description type:Non-original description 
Description:Entoloma sericeoides (J.Lange) Noordel. in Persoonia 10: 483. 1980. -Fig. I l l.
Rhodophyllus sericeoides J. Lange, Fl. agar. dan. 5: VIll. 1940; Leptonia sericeoides (J.Lange) PD. Orton in Trans. Br. mycol. Soc. 43: 176.1960.
Sel. descr. & figs. - Noordel. in Persoonia 10: 483-485, fig. 24: 1980.
Pileus 15-30 mm, convex with rather shallow to deep umbilicus, with involute then straight margin, hygrophanous, when moist dark sepia brown at centre (Mu. 10 YR 3/2 to 5 YR 3/2), slightly paler towards margin (about 7.5 YR 3/2-4/2), translucently striate up to half of radius, pallescent on drying to moderately dark brown (10 YR 6/3), brilliantly shiny. Lamellae. L = about 40, I = 3-5, crowded, broadly adnate with decurrent tooth to slightly ascending-emarginate, segmentiform to narrowly ventricose, brown then with pink tinge (7.5 YR 6/4 to 5/4) with slightly irregular, concolorous edge. Stipe 35-40 x (2-) 3-5 mm, cylindrical or tapering upwards, sometimes twisted, concolorous with dry pileus, fibrillose-striate, shiny. Context cartilagineous, white. Smell indistinct or weakly farinaceous. Taste not known.
Spores 7.5-9.5 x (6.0-)6.5-8.0 µm, Q = 1.0-1.25. Q av.=1.1, 5-6-angled in side-view. Basidia 30-36 x 10.5-1 1.5 µm, 4-spored, clampless. Lamella edge fertile. Cystidia absent. Pileipellis a cutis of radially arranged, cylindrical 6-12 µm wide hyphae. Pigment minutely incrusting the hyphae of pileipellis and upper pileitrama. Clamp-connections absent.
Habitat. & distr. - In small groups in extensively grazed grassland on dyke along river. Very rare (Deventer: Hengforder waarden). Distribution in Europe poorly known, also recorded from Denmark and Italy. Oct.
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