Biscogniauxia pithodes (Berk. & Broome) Whalley & Laessøe

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Biscogniauxia pithodes (Berk. & Broome) Whalley & Laessøe apud Whalley, Laessøe, & Kile, Mycol. Res. 94: 239. 1990.

º Diatrype pithodes Berk. & Broome, Berk. & Broome, J. Linn. Soc., Bot. 14: 124. 1873.

º Anthostoma pithodes (Berk. & Broome) Sacc., Syll. Fung. I, p. 298. 1882.

º Nummularia pithodes (Berk. & Broome) Cooke, Grevillea 12: 8. 1883.

º Hypoxylon pithodes (Berk. & Broome) J. H. Miller, Monogr. of the World Species of Hypoxylon, p. 113. 1961.

º Numulariola pithodes (Berk. & Broome) P. Martin, J. S. African Bot. 35: 309. 1969.

= Nummularia fuscodisca Pat., Bull. Soc. Mycol. France 31: 35. 1915.

Stromata applanate, fragmentary, ca. 2 mm thick; outer dehiscing layer white, thin; mature surface dark brown; carbonaceous immediately beneath surface and between perithecia; tissue beneath perithecia inconspicuous.

Perithecia tubular, 0.3-0.4 mm diam x 1.8-2 mm high.

Ostioles higher than stromatal surface, with openings coarsely papillate.

Asci not observed.

Ascospores dark brown, ellipsoid-inequilateral, with one end narrowly rounded and the other bearing a hyaline cellular appendage 1.5-2 mm long x 4-5.5 mm broad, smooth, 22-33 (not including appendage) x 12.5-15.5 mm, with straight, broad, faint germ slit spore-length on more convex side.