Sirococcus Preuss 1855

Sirococcus Preuss, Linnaea 26: 716 (1855) Synonym. Gnomoniopsis Berl., Icon. fung. (Abellini) 1 (3): 93 (1893). Description. Ascomata solitary, lacking stroma, or in groups, aggregated in minimal pseudostroma, black, globose to subglobose, concave from base when dry. Neck central to lateral, straight or slightly curved to curved, short to long, sometimes almost absent, in cross section circular to oval or flattened. Asci 8 - spored, unitunicate, ellipsoid, ovoid, obovoid, to fusiform, with conspicuous apical ring. Ascospores uniseriate, biseriate, or irregularly multiseriate, fusiform, obovoid or pyriform, one-septate, or aseptate, median to submedian, constricted or not at septum, hyaline, lacking appendages. Conidiomata pycnidial, eustromatic, glabrous, erumpent without a clypeus, globose to flattened, black, coriaceous. Peridium comprising multilayered, brown cells of textura angularis. Conidiophores simple or branched, septate. Conidiogenous cells monophialidic. Conidia hyaline, median-septate, fusiform. Type species. Sirococcus conigenus (Pers.) P. F. Cannon & Minter, Taxon 32 (4): 577 (1983). Basionym. Hysterium conigenum Pers., Observ. mycol. (Lipsiae) 1: 30 (1796).