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 Add this item to the list   Platygramme coccinea

General information

 Summary:Platygramme coccinea F. Seavey & J. Seavey, The Bryologist 117 (4): 399 (2014) [MB#810510] 
 MycoBank #:810510 
 Authors:F. Seavey & J. Seavey
 Authors (abbreviated):F. Seavey & J. Seavey
 Page #:399
 Year of effective publication:2014
 Name type:Basionym 
 Name status:Legitimate
 Remarks:Description. Thallus pale to dark green, 3–6 cm wide, 0.45–0.85 mm thick, corticate, waxy, continuous, verruculose to verrucose, densely inspersed with clear crystals 20–50 µm diam., these often visible in surface view. Ascomata lirelliform, flexuose, partly branched, 0.80–2.00 mm long, labia entire to striate in older specimens, thickened at the apex, convergent at first becoming more divergent with age exposing the red to reddish brown disc. Disc plane, even or slightly raised above the thallus surface, with a thin white pruina. Exciple carbonized thickly at the apex, tapering and disappearing about half way to the ascomata base. Hymenium pale orange to reddish orange, oil inspersed, I–, 120–150 µm tall, containing red K+ purple crystals, 4–8 µm diam. Paraphyses 1.0–1.5 µm wide, with minute oil droplets adhered. Hypothecium pale yellow-orange, 50–65 µm tall. Epihymenium brownish, 5–10 µm tall, with scattered red granules in surface view, K+ purple. Asci 8-spored, narrowly clavate to clavate, 65–90 × 20–25 µm, Graphis type. Ascospores brown, oblong, 25–35 × 8–10 µm, 8–10-celled. Pycnidia not detected. Photobiont Trentepohlia.
Chemistry. K–, KC–, C–, P–. Hymenial sections K+ purple (unknown anthraquinone). TLC: no substances.
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