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Page number:111 
Remarks (internal):Entoloma sinuatum is well-known as a poisonous mushroom. More information on the toxicity can be found in Foley & Dautrey (1925). 
Description type:Non-original description 
Description:Entoloma sinuatum (Bull. ex Pers.: Fr.) Kummer. (tav. 2, fig. 45)
Agaricus sinuatus Bull. Herb. Fr., pl. 579, fig. 1. 1793 (solo la figura, non la descrizione); Agaricus sinuatus Bull. ex Pers. Synopsis Meth. fung.: 329. 1801. Agaricus sinuatus Bull. ex Pers.: Fr., Syst. Mycol. 1: 197. 1821; Entoloma sinuatum (Bull. ex Pers.: Fr.) Kumm., Führ. Pilzk.: 9. 1871; Rhodophyllus sinuatus (Bull. ex Pers.: Fr.) Quél., Fl. mycol. Fr.: 179. 1888.
Sin.: Entoloma eulividum Noordel. in Persoonia 12: 475. 1985.
Interpr. err.: Entoloma lividum (Bull.) Quél. sensu Quél. 1872 non sensu Bull. (= Pluteus cervinus). Entoloma sinuatum sensu Romagn., 1989; Noordel., 1981. (= E. sinuatum forma).
Icon.: Auguadri & al., Funghi e boschi e boschi del Cantone Ticino 1: pl. 21. 1984 (come E. sinuatum); Cetto, Funghi dal Vero 1: 237 (come E. lividum). 1975; Dähncke & Dähncke, 700 Pilze: 256. 1979 (come E. sinuatum); Gruaz, A. in Bull. Fed. Mycol. Dauph. Sav. 106: 20. 1987 (come E. sinuatum); Lange, Fl. agar. dan 2. pl. 74C. 1936 (come R. lividus); Marchand, Champ. Nord Midi 1, pl. 26. 1971 (come R. lividus); Phillips, Mushr. other Fungi: 115. 1981 (come E. sinuatum); Romagnesi, Nouv. Atl., pl. 76. 1956 (come R. lividus); Römer, E. & E. Testa in Rassegna micol. Ticinese 4: 52. 1981 (come E. sinuatum); Ryman & HolmÀ¥son, Svampar: 375. 1984 (come E. sinuatum).
Bibl.: Esteve-Raventos, F. & G. Moreno in Bull. Soc. Micol. Madrid 14: 147. 1990 (come E. lividum); Krieglesteiner, G. J. in Z. Mykol. Beih. 3: 142, 144, 1981 (come E. sinuatum); Noordeloos in Persoonia 11: 159-160, fig. 1. 1981 (come E. lividum); Noordeloos in Persoonia 12: 475-476. 1985 (come E. eulividum); Noordeloos in Bas & al., Fl. agar. neerl., vol. 1: 94-95, fig. 52. 1987 (come E. eulividum); Orton, P. D. in Notes Roy. bot. Gdn., Edinburgh 41: 575-576. 1984 (come E. lividum).
Pileus 30-250 mm broad, conico-convex at first but soon expanding to convex or applanate, with or without a low, broad umbo, sometimes in old specimens irregularly concave with an undulating margin, pale grey-livid, grey-ochraceous or cream-color, smooth and glabrous or somewhat fluffy-rugulose at centre. Lamellae, L= up to 120-150, l = 1-3, moderately crowded, adnate or emarginate, narrowly segmentiform to broadly ventricose, when young with a distinct yellow color, soon changing into salmon-yellow to ochraceous-pink, but retaining the yellow colour for a long time, especially towards margin of pileus, with serrulate, concolorous edge. Stipe 40-150 x 5-35 mm, cylindrical or flexuose, sometimes compressed, often distinctly swollen towards base, but a extreme base often tapering again, white or tinged with cream-color or grey, subconcolorous with pileus, pruinose at apex, downward smooth, fibrillose. Context white, firm. Smell strong, difficult to describe, somewhat acidulous-nauseating or more farinaceous-rancid. Taste nasty-unpleasant.
Spores 8-11 x 7-9.5 µm, Q = 1.0-1.3, usually 6-angled. Basidia 4-spored, clamped. Lamella edge fertile. Cystidia absent. Pileipellis an (ixo-)cutis of narrow, cylindrical hyphae, 2-5 µm wide, with pale yellow-brown, intracellular pigment. Clamps abundant.
Habitat: in deciduous forest, preferably under Quercus, and Fagus, sometimes also under Birch, on relatively heavy, clayey or loamy soils; late summer-Autumn.
Distribution: Wide-spread allover Europe, but more common in central and southern Europe than in the northwestern part.



 
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