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Ascocoryne turficola
Nomenclature
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Family: GelatinodiscaceaeGenus: Ascocoryne
SUMMARY
Anamorph: not known.
Teleomorph: ascomata apothecia, 10-25 mm diam., translucent, with a distinct margin, becoming irregular and wavy in age, gelatinous, initially pale olive green, becoming vinaceous, brown or tan in advanced age, with a brownish pink to olive green hymenium. Stipe 20–45 (-100) mm long, 4–8 mm diam. at the apex, straight or flexuous, tapering evenly to ca 1 mm diam. at the base, translucent, gelatinous, smooth, whitish to tan in young specimens, darkening to vinaceous or brown in age. Medullary excipulum composed of two layers: an inner zone of non-gelatinized hyphae and an outer zone of gelatinized hyphae that is compact and firm when dried but becomes considerably expanded when fresh or rehydrated. Ectal excipulum 250–300 μm thick, composed of parallel to interwoven hyphae with individual cells 15–40 X 5–15 μm, nearly cylindrical to ellipsoidal. Subhymenium brown in Melzer’s iodine, composed of a very compact mass of interwoven hyphae 2.5–5 μm diam., with some hyphae having dextrinoid material on their walls. Interascal tissue of mostly unbranched septate paraphyses 1.5–2.5 μm diam. Asci arising from croziers, 80-110 x 6.5-9 µm, cylindrical to narrowly cylindric-clavate, thin-walled, with a prominent apical cushion containing an elongated pore 2.5-3 µm long and ca 1 µm diam. that stains blue in iodine, with the lumen often prominently depressed below the apical cushion, 8-spored. Ascospores usually uniseriately arranged, (10-) 12.5-14.5 (-16.5) x 4.5-5.5 µm, fusiform to ellipsoidal-fusiform, hyaline, smooth, thin-walled, mostly aseptate but with some becoming 1-septate at maturity or after discharge, without a gelatinous sheath or appendages.