Linocarpon bipolaris K.D. Hyde

Sydowia 44: 32-54, 1992

Ascomata: Appearing on host fronds as brown or black, raised dome-shaped spots, 650-1170 m m diam., with a central short papilla and containing one ascoma developing below the clypeus, lenticular in section, with variable amounts of stromatic tissue laterally, 195-325 m m high, 520-1040 m m in diam., brown to black, ostiolate, periphysate.

Asci: 150-215 x 7.5-12 m m, 8-spored, long-cylindrical, unitunicate, long pedunculate, tip rounded and containing a ring-like apical apparatus, with semi-fissitunicate dehiscence.

Ascospores: 98-140 x 2-3 m m, arranged spirally in the ascus, hyaline, filiform, straight, slightly curved, or mostly sigmoid, with refringent septum-like bands, ends slightly inflated and rounded, with small pad-like conspicuous appendages at each end.








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