Basionym: Psathyrella polycystidiosa Singer 1969 l. c. Originaldiagnose: |
"Pileo spadiceo vel dactylo-brunneo vel subcastaneo, hygrophano, siccando primum bicolori, demum ochraceo-pallido vel pallide ochraceo per totam superficiem, haud viscoso, fortiter vel manifeste rugoso-venoso-reticulato, in exsiccatis ochraceo-fuscidulo, glabro, nudo, convexo, dein plerumque circum umbonem applanato, rarius exumbonato, 24-47 mm lato. - Lamellis spadiceo-atrocastaneis ("Vandyke br.", "auburn" Maerz & Paul) vel fusco-argillaceis, acie sordide alutaceis vel haud manifeste sordide pallidis, aubangustis vel latis, confertis vel subconfertis, anguste adnexis vel adnatis (in exumbonatis). - Stipite albo vel sordide albido, e fibrillis veli (quod etiam ad marginem pilei interdum appendiculatione flocculosa apparet) flocculoso vel fibrilloso, sed in adultis saepe denudato, aequali vel parte basali crassiore, 32-72 x 3-7 mm; velo pallide brunnescente vel sordide alutaceo (e. gr. 11-C-4, M & P). - Carne (disco pilei excepto) tenui, fragili, inodora. - Sporis 7.7-9.5 x 4.3-5.2 µ, lividis, membrana fusca, levi instructis, poro germinativo latissimo truncato, ellipticis, lateraliter visis latus interius minus convexum vel applanatum monstrantibus, haud opacis. - Hymenio e besidiis, pleurocystidiis et cheilocystidiis consistente; basidiis 17-22 x 8-8.5 µ, tetrasporis; pleurocystidiis 38-73 x 7-18 µ, numerosis vel numerosissimis, conspicuis, membrana firma sed haud manifeste crassa (0.2-0.5 µ) hyalina instructis, fusoideis vel rarius ampullaceis, apice acutis vel raro obtusis, et hic plerumque membrana tenuissima instructis et massa mucilaginea muricatis, pigmento subhyalino-melleo vel pallide vel manifeste brunnescente membranali instructo, intus hyalinis, in ammoniaco haud virescentibus; cheilocystidiis 19-26 x 10-15 µ, subcylindraceis, saccatis, vel ventricosis vel subglobosis-pedicellatis, obtusis. - Hyphis tramatis hymenophoralis subirregularis pigmento membranali brunnescente instructis; fibulatis. - Epicute pilei cellulis subisodiametricis (e. gr. 45 x 32 µ) composita, hymeniformi vel subhymeniformi; hypodermio hyphis angustis cutem efformante consistente; sub hypodermio elementis hypoderialibus plus minusve pigmentatis, epicuticularibus hyalinis. - Ad terram et lignum emortuum in silvis." |
Typus: Chile. Valdivia: Cordillera Pelada, Chiverfa, 22. 04. 1964, Singer M 3409 (BAFC) Wichtige Synonyme: Keine bekannt. Subspezifische Taxa: Psathyrella polycystidiosa var. exumbonata Singer 1969 in Beihefte zur Nova Hedwigia 29: 190 |
"A varietate typica pileo carnosiore, obtusissimo stipite apice apice pruinoso sed velo subnullo perfugaci et habitatione ad terram in silvis differt. Typus (BAFC) ad Arroyo Frutillar, Neuquén, Argentina sub Nothofagis pumilionibus 21-IV-1965 a R. Singer lectus fuit, no. M 5104." |
Psathyrella polycystidiosa var. minor Singer 1969 in Beihefte zur Nova Hedwigia 29: 190 |
"A varietate typica pileo minore (11-28 mm lato) stipite minore (25-34 x 1.5-2.5 mm) et sporis paullum minoribus (7-9.5 x 4-5.5 µ, raro usque ad 11 x 6 µ) differt. Ad humum lignosum et ad frustula truncosque ligneos, praesertim sub Myrtaceis; fructificatione vernali vel hiemali excellit. Typus a R. Singer (BAFC) in Quetrihué, Neuquén, Argentina, 11-XI-1966 lectus no. M 6070. - Paratypi varietatis typicae: M 5736 (Singer, ibidem ut typus, 10-V-1965, BAFC); varietatis minoris: PU-74 (W. Lazo, Pumanque, prov. Colchagua, Chile)." |
Ausgew. Beschreibungen: Keine weiteren bekannt. Ausgew. Abbildungen: Keine bekannt. |
Merkmale (forma typica): Hut 24-47 mm, konvex, später verflachend, meist gebuckelt, gerunzelt, braun, Velum bräunlich, flüchtig. Lamellen braun, Schneiden heller. Stiel 32-72 x 3-7 mm, weißlich, befasert bis beflockt. Sporen 7,7-9,5 x 4,3-5,2 µm, ellipsoid, mit truncatem Keimporus, dunkelbraun. Basidien 4-sporig. Cheilozystiden 19-26 x 10-15 µm, subzylindrisch, clavat. Pleurozystiden 38-73 x 7-18 µm, fusiform, lageniform, meist spitz, Wände leicht verdickt, mit farblosen bis gelblichen Anlagerungen, in Ammoniak nicht grün. Schnallen vorhanden. |
Maß: 5 µm (Sporen), 10 µm (Sonstiges) Skizze nach der Beschreibung (Singer 1969). |
Habitat: Terrestrisch und an Totholz im Wald. Verbreitung: Chile |