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Josep Torres
Hello.A very tiny pyrenomycete sprouting sparsely
Hyaloscyphaceae on cottongrass
Nina Filippova,
08-07-2013 18:35
The litter of cottongrass (Er. vaginatum) hosts four common discomycetes now: Hyaloscypha sp., Mollisia sp., Lachnum sp. and the last one, bright yellow - i have doubt with the genus. Here it is:
It commonly seen at wet fallen leaves, and leaf sheaths, inside the tussocks.
Apothecia cupulate, sessile, 500–850 mk in diameter, to 300 mk thick; hymenium surface bright yellow, outer surface pale yellow, slightly pubescent and when young with white velum at base; single or 2-3 in clusters.
Excipulum from ellipsoid cells with thickened walls about 10 x 5; outer surface and edge with free hyphoid elements up to 30 x 3, filled with greenish content; asci clavate, with conical tip, with crozier, with euamyloid ring, 70–85 x 8–11; paraphyses cylindrical, septated in lower part, in upper part with several round and large elongated greenish vacuole, 84 x 2.4; spores ellipsoid, without oils, with weak sheaths at the ends, 11 (10.5–12.2) x 2.8 (2.3–3.5) (n=13).?
