Hypoxylon fendleri Berk. ex Cooke

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Hypoxylon fendleri Berk. ex Cooke, Grevillea 11: 132. 1883.

= ? Hypoxylon rubiginosum (Pers.: Fr.) Fr. f. trichocladi P. Martin, J. S. African Bot. 35: 175. 1969; [nom. inval., ICBN Art. 37.1].

Stromata effused-pulvinate, with inconspicuous to conspicuous perithecial mounds, 0.5-0.8 mm thick; surface brown vinaceous (84), dark vinaceous (82), dark brick (60), sepia (63) or, less frequently, bay (6); orange red granules immediately beneath surface and between perithecia, with KOH-extractable pigments orange (7); the tissue below the perithecial layer inconspicuous.

Perithecia obovoid, 0.2-0.4 (-0.5) mm diam x 0.3-0.6 mm high.

Ostioles lower than the stromatal surface

Asci 86-156 mm total length x 5.5-7 mm broad, the spore-bearing parts 60-83 mm long, the stipes 26-80 mm long, with apical ring bluing in Melzer's iodine reagent, discoid, 0.5-1.2 mm high x 1.8-2.5 mm broad.

Ascospores brown to dark brown, unicellular, ellipsoid-inequilateral, with narrowly rounded ends, (8-) 9-12 x 4-5.5 mm, with sigmoid germ slit spore-length; perispore dehiscent in 10% KOH, smooth or with inconspicuous coil-like ornamentation; epispore smooth.