Risposte:

Autore Risposta: Sirente
Inserita il: 11 novembre 2011 23:31:24
Messaggio:

Entoloma cetratum ???















Species



MB313688

Entoloma cetratum (Fr.) M.M. Moser 1978



Non abbreviated authority:

(Fries) M.M. Moser



Bibliography:

Moser, M., 1978, Kleine Kryptogamenflora - Die Röhrlinge und Blätterpilze (Agaricales) IIb/2: 206 (more info)




Year of publication:

1978



Status of the name:

combination; legitimate



Sanctioned by:

Fries, SM1:207 (Agaricus cetratus Fr. 1818)



MycoBank's opinion:

currently used



Classification:

Fungi, Basidiomycota, Agaricomycotina, Agaricomycetes, Agaricomycetidae, Agaricales, Entolomataceae, Entoloma



Basionym:

Agaricus cetratus Fr. 1818 [LEG; MB455712]



Obligate synonym(s):

Nolanea cetrata (Fr.) P. Kumm. 1871 [LEG; MB189549]
Rhodophyllus cetratus (Fr.) Quél. 1886 [LEG; MB493190]
Hyporrhodius cetratus (Fr.) J. Schröt. 1889 [LEG; MB494986]



Morphic status:

Teleomorph (anamorph connection(s) unknown or not recorded)



Taxonomic synonym(s):
Ordered by epithet name

none



Descriptions:


Latin diagnosis (Fries, E.M. 1818, Observationes mycologicae 2: 218)

Agaricus cetratus, pileo plano striato flavido, lamellis subadnatis pallidis; stipite fistuloso elongato flavescente. Inter folia faginea alibique, locis umbrosis roridis, rarior. Aug. Sept. Neque affinem sepciem vidi, nes an ad Omphalias, Pratell., Mycenas, l. Gymnop, pertinent, certe determinare possum. Distinctissimam tamen esse, e descriptione parebit. Descr. Stipes fistulosus, 3-5 unc longus, 2 lino crassus, cylindraceus, valde fragilis, pallide flavescens, laevis glaber, basi albido pubescens. Pileus membranaceus planus subumbilicatus; flavescens l di Iute ochraceus, 1-2 unc. latus, fragilis sulcatus glaber, margine patente ondulato crenulatus. Lamellae adnate subdistinctae pallidae.


Non-original description (Noordeloos, M.E. 1992, Entoloma s.l.: 270)

Entoloma cetratum (Fr.: Fr.) Mos. (tav. 34c, fig. 122)
Agaricus cetratus Fr., Observ. mycol.2: 218-219. 1818; Agaricus cetratus Fr.: Fr., Syst. mycol. 1: 207. 1821; Nolanea cetrata (Fr.: Fr.) Kumm., Führ. Pilzk.: 95. 1871; Hyporrhodius cetratus (Fr.: Fr.) Schroet. in Cohn., KryptogFl. Schles. 3(1): 613. 1889; Entoloma cetratum (Fr.: Fr.) Mos. in Gams, Kl. KryptogFl. 4. Aufl., 2(b/2): 206. 1978.
Icon.: Arnolds & Noordeloos in Fung. rar. Ic. col. 12, pl. 89a. 1981; Cetto, Funghi Vero 4, pl. 1429. 1983; Dähncke & Dähncke, 700 Pi1ze: 263. 1979; Konrad & Maublanc, Ic. sel. Fung. pl. 179, fig. 1. 1930; J. Lange, Fl. agar. dan. 2, pl. 78F. 1937; Phillips, Mushr. other Fungi: 117. 1981; Ricken, Blätterpilze, pl. 74, fig. 1. 1913; Ryman & Holmåsen, Svampar: 384. 1984.
Bibl.: Konrad in Bull. trimest. Soc. mycol. Fr. 45: 51-52. 1929; Noordeloos in Persoonia 10; 496-497, fig. 32. 1980; Noordeloos in Rep. Kevo Subarctic Res. Stat. 17: 36, fig, 7, 1982; Noordeloos in Persoonia 12: 295, fig. 22. 1984; Noordeloos in Bas & al., Fl. agar. neerl., vol. 1: 133-134, fig. 120. 1987; Noordeloos & Gulden in Can. J. Bot. 67: 1735. 1989.
Tipizzazione - Holotypus: non esiste; località di raccolta del tipo: Svezia.
Pileus 5-40(-50) mm broad, conical, truncately conical, campanulate or hemispherical at first then expanding to convex, with flattened centre, sometimes with small papilla, frequently also with small central depression, with involute then straight margin, hygrophanous, when moist translucently striate up to half the radius or more, pale ochraceous, yellow-brown or pale reddish brown, paler towards margin and between striae, strongly pallescent on drying to pale ochraceous-cream, glabrous, smooth, strongly shining when dry. Lamellae, L = 15-30, l =1-5, moderately distant, almost free, emarginate or adnate, triangular then ventricose, yellowish-ochraceous then pink with entire or crenulate, concolorous edge. Stipe 20-90 x 1-3 mm, cylindrical, sometimes broadened towards base (up to 7 mm), sometimes compressed with groove, concolorous with margin of pileus. strongly silvery fibrillose lengthwise, sometimes twisted, apex pruinose, base white tomentose. Context concolorous in cortex, pallid in inner parts. Smell none, or very slightly farinaceous. Taste mild or subrancid/farinaceous.
Spores 9.5-13.5(-14) x 7-9.5 µm, Q = 1.2-1.8, heterodiametrical with 5-8 angles. Basidia 2-spored, clampless. Lamella edge fertile. Cystidia absent. Pileipellis a thin cutis of 4-7(-10) µm wide, cylindrical hyphae, subpellis usually well differentiated, made up of inflated elements, 50-90(-140) x 15-30 µm. Pigment membranal and diffuse, colouring the hyphal walls more or less eventi pale brown. Usually no trace of intracellular pigment. Clamps absent.
Habitat: terrestrial in humus or among forest litter, between mosses etc. in damp places in coniferous forests, also in Calluna heaths on poor, acid soils, on peaty soiland in Sphagnum peat-bogs, also frequently found above the timber-line in alpine and arctic peat-bogs and other marshy vegetations-types; summer-autumn.
Distribution: Wide-spread and common all over Europe.



Non-original description (Bas, C.; Kuyper, T.W.; Noordeloos, M.E.; Vellinga, E.C.; Crevel, R. van; Arnolds, E.J.M. 1988, Flora Agaricina Neerlandica 1: 133)

Entoloma cetratum (Fr.: Fr.) Mos., Röhrlinge-Blätterpilze, 4. AufI.: 206. 1978. - Fig. 120.
Agaricus cetratus Fr.: Fr., Syst. mycol. l: 207. 1821; Nolanea cetrata (Fr.: Fr.) Kumm., Führ. Pilzk.: 95. 1871; Rhodophyllus cetratus (Fr.: Fr.) Quél., Enchir. Fung.: 64. 1886; Hyporrhodius cetratus (Fr.: Fr.) Schroet. in Cohn.. Krypt.-Fl. Schlesien 3(1): 613. 1889.
Sel. icon. - Arnolds & Noordel. in Fung. rar. Ic. col. 12: pl. 89a. 1981; Ceno, Funghi Vero 4: pl. 1429. 1983; Dähncke & Dähncke, 700 Pilze: 263. 1979; Konr. & M., lc. sel. Fung. 2: pl. 179, fig. 1. 1930; J. Lange, Fl. agar. dan. 2: pl. 78F. 1937; Ryman & Holmåsen, Svampar: 384; R. Phillips, Mushr. other Fungi: 117. 1981.
Sel. descr. & figs. - Arnolds & Noordel. in Fung. rar. Ic. col. 12: 2-3, fig. I . 1981; Konr. in Bull. trimest. Soc. mycol. Fr. 45: 51-52. 1929: Noordel. in Persoonia 10: 496-497, figs. 32a-c. 1980.
Vern name. - Dennesatijnzwam.
Pileus 9-50mm, conical or hemispherical usually expanding to almost flat with broad, rounded papilla or not, rarely slightly depressed at centre, with straight or slightly inflexed margin, strongly hygrophanous, when moist pale ochraceous, yellow-brown or reddish brown, distinctly paler and more yellow towards margin (Mu. 7.5 YR 4/4, 4/2, 5/4, rarely 3/2 at centre, margin 7.5 YR 7/4, 10 YR 7/4. 8/4) translucently striate up to two-thirds of radius, strongly pallescent on drying to pale yellowish or ochraceous (10 YR 7/4, 7/6, 8/3, 8/4), glabrous when moist, shiny, radially fibrillose when dry. Lamellae, L = (15-) 20-30, I= (1-)3-5(-7), moderately crowded, narrowly adnate to almost free, triangular then ventricose. up to 7 mm broad. yellowish-ochraceous then pink finally brown-pink (10 YR 7/4 then 7.5 YR 8/4, 7/4, 6/4 rarely 5/4) with irregularly crenate, concolorous edge. Stipe (20-)35-85 x (1.5-)2-4 (-5) mm, cylindrical, with gradually broadened base, sometimes twisted of compressed, pale yellow to yellowish brown (2.5 Y 7/4, 6/4, 5/4; 10 YR 7/3, 7/4), strongly silvery striate with loose fibrils, at base white tomentose. Context concolorous in cortex, inner parts pale. Smell indistinct sometimes very slightly farinaceous. Taste weak or slightly farinaceous-rancid.
Spores (9.5-)10.0-13.5(-14.0) x 7.0-8.0 (-9.0) µm. Q = 1.2-l.8, Q av. = 1.45, irregularly (5-)6-7(-8)-angled in side-view. Basidia 25-50 x 8-13.5 µm, 2-spored (rarely a few 1- or 4-spored), clampless. Lamella edge fertile. Cystidia absent. Pileipellis a thin cutis of radially arranged. 4-7(-10) µm wide cylindrical hyphae; subpellis well-developed. made up of inflated elements, 50-90(-140) x 15-30 µm. Pigment intracellular, very pale, sometimes also slightly membranal, never incrusting. Clamp-connections absent.
Habitat & distr. - In small groups, typically among needles and other litter in coniferous plantations on sandy soil, but also frequent in heath-like vegetations (Ericetum, Callunetum) on pleistocene sands and in coastal dunes. Also found on peat and among Sphagnum. Very common. Common and widespread in Europe. May-Dec. occasionally also in other months.


Entoloma cetratum is a common species which can be easily recognised in the field by its yellowish colours, and microscopically by its large spores and 2-spored, clampless basidia. Entoloma farinogustus differs in habit, not or hardly striate stipe, and a strong mealy taste. Entoloma cuneatum and E. lanuginosipes have some resemblance in habit, and sometimes also in colour, to E. cetratum, but differ in having 4-spored, clamped basidia, but almost similar spores.



Date entered:

01/01/2000 12:00:00



Entered by:

Mycobank administration










Mario

Link