Chalazion sociabile
Coll. not kept
Coll. not kept
© R. Kristiansen

Chalazion sociabile Dissing & Sivertsen, Norw. J. Bot., 22 (1): 2 (1975).

 

Basionym Chalazion sociabile Dissing & Sivertsen, Norw. J. Bot., 22 (1): 2 (1975).

Diagnosis Carposomata sparsa, superficialia, sessilia, omnino albida, 300-600 µm lata, initio subsphaerica, marginibus inconspicuis, matura turbinata vel pulvinata, marginibus carentia, ascis valde prominentibus. Excipulum exterius 20-30 µm crassum, e stratis perpaucis cellularum compositum cyanophilarum serias subparallelas laxe cohaerentes formantium, membranas tenues exhibentium, apicalibus paraphysium forma similibus, 30-45 × 8-10 µm magnis, mediis doliiformibus, 20-30 × 10-15 µm magnis, basalibus subsphaericis, 25-35 × 20-30 µm diam. Superficies excipuli ob hyphas laxe contextas paulum inaequa. Hymenium ad 165 µm altum. Asci octospori, haud amyloides, pleurorhynchi, clavati, apice rotundati, breviter stipitati, 165-200 × 30-40 µm magni, opercula orbiculari, valde conspicuo, convexo, ad 12 µm lato, juvenes membranis ad 6 µm crassis, maturi 2-3 µm crassis induti, juvenes tincturam cotton blue avide intra suscipientes. Paraphyses colore nullo, ad septa constrictae, apice saepe curvae incrassatae, nullis ramificatis vel anastomoses formantibus visis, cellulis apicalibus granulosis, 24-33 µm longis, 5-10 µm latis, inferioribus manifesto brevioribus, 10-15 µm longis. Sporae biseriatae, ellipsoides, raro paulum asymmetricae, membranis crassis indutae, colore nullo, 32.3-33.2-35.6 × 14.9-16.1-17.5 µm magnae, primum laeves, demum verrucis hemisphaericis vel subirregularibus cyanophilis carminophilis, 2-4 µm latis, 2-3 µm altis, interdum connatis vel carinulis conjunctis ornatae, initio vacuola multa parva, deinde bina magna guttulis circumdata, demum farte guttulas solum continentes (Scutelliniae scutellatae multum ad instar), bullis debaryanis nullis visis.
Typus die 5 Sept. anni 1973 cum Trichophaea woolhopeia in solo calcario loci ex oppido norvegico Mo i Rana 7 km in occidentem siti sub numero Mo 73.60 ab auctoribus lectus, in Herbario Nidrosiano (TRH) depositus; paratypus die 4 Sept. anni 1972 cum Pulparia (= Marcelleina) sp. eodem loco sub numero Mo 72.07 ab iisdem lectus, in Herbario Hauniensi (C) depositus.

Type Mo 73.60 (TRH) - holotypus

MycoBank 311020

 

Literature
Dissing H., Sivertsen S. 1975. Operculate Discomycetes from Rana (Norway). 1. Chalazion sociabile gen. nov., sp. nov. Norwegian Journal of Botany, 22 (1): 1-4.
Kristiansen R. 1990. New records of species of the genus Chalazion (Pezizales) in Norway with emphasis on their ecology. Agarica, 10-11 (19-20): 83-97. 
Landvik S., Kristiansen R., Schumacher T. 1998. Phylogenetic and structural studies in the Thelebolaceae (Ascomycota). Mycoscience, 39 (1): 49-56.
Olariaga I., Hansen K. 2011. New and noteworthy records of Pezizomycetes in Sweden and the Nordic countries. Karstenia, 51: 1-16.

 


Classification Chalazion, Ascodesmidaceae


CreatedDate 10.03.2018.

UpdatedDate 06.09.2018.

Chalazion sociabile
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