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Unranked: PseudoperisporiaceaeGenus: Bryomyces
Anamorph: not known.
Teleomorph: ascomata perithecia, 50-80 (-90) µm diam., ± globose, black, glabrous, hardly papillate, in small clusters, superficial. Peridium thin, composed of 3-5 layers of dark brown thick-walled isodiametric cells, the inner layers paler and thinner-walled. Interascal tissue absent or fragmentary. Asci (28-) 32-35 x 14-16 µm, ovoid to ± ellipsdoidal, almost sessile, the apex rounded, thick-walled and fissitunicate, not bluing in iodine, usually 8-spored. Ascospores arranged biseriately to irregularly, 13.5-16 x 5.7-6.3 µm, clavate to clavate-ellipsoidal, strongly constricted at the slightly supramedian septum, the upper cell rounded and the lower one narrower and tapering, hyaline to pale grey (pale brown when over-mature), thin-walled, smooth, without a gelatinous sheath or appendages.