Jumillera mexicana J. D. Rogers, & Y.-M. Ju, & San Martín

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Jumillera mexicana J. D. Rogers, & Y.-M. Ju, & San Martín, Mycotaxon 64: 46. 1997.

Stromata applanate or effused-pulvinate, solitary or confluent, up to 7 cm long x 1-1.6 cm broad x 0.3-0.5 mm thick, bipartite with thin brown outer layer dehiscent, exposing mature light gray surface; carbonaceous layer immediately beneath surface; the tissue between perithecia mainly composed of host tissue and beneath the perithecia inconspicuous.

Perithecia ca. 0.2 mm diam.

Ostioles lower than stromatal surface, with ostiolar openings appearing punctate.

Asci 80-95 m total length x 4-5 m broad, the spore-bearing part 65-75 m long, the stipe 10-20 m long, with apical ring bluing in Melzer's iodine reagent, discoid, 0.5 m high x 1.5 m broad.

Ascospores brown, unicellular, ellipsoid-equilateral, with narrowly rounded to acute ends, smooth, 7.5-9 x 3.5-4 m, with straight germ slit spore-length on the more convex side, usually enclosed by a reniform hyaline sheath.