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ABSTRACT
The new species Nectria alata and N. penicilliferi (Ascomycetes, Hypocreales) and their anamorphs, respectively, Penicillifer bipapillatus sp. nov. and P. macrosporus sp. nov., are described. This is the first connection of Penicillifer species to teleomorphs. The generic concept of Penicillifer is restricted to anamorphs of Nectria species having conidiophores that: 1) are unbranched and monophialidic; 2) bear a terminal penicillus of phialides; or 3) are once- or twice-branched with each branch bearing a terminal penicillus of phialides. Conidia are cylindrical, 1 -septate, bipapillate, and joined end to end in chains that ultimately break down, leaving the conidia adherent in slime. Colonies in agar culture produce a diffusing brown pigment. A key to accepted species of Penicillifer is presented, as is a key to genera and species of hyphomycetes that have colorless or lightly colored, mononematous conidiophores and slimy chains of colorless conidia.