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Abstract
Janetia obovata and Stachybotryna excentrica, two new hyphomycetes from submerged litter collected in different Mediterranean localities in Spain, are described and illustrated. Janetia obovata possesses denticulate and dark pigmented conidiogenous cells characteristic of the genus, but is mainly distinctive in producing obovoid and unevenly pigmented conidia. Stachybotryna excentrica is hyaline and produces setae as do all members of the genus, but is distinctive by its small conidia that are cylindrical or ellipsoidal in front view and slightly allantoid in side view with a protuberant eccentric scar, and its long subcylindrical setae. A key to Stachybotryna species is provided.
The authors are grateful to W. Gams for his helpful comments, to E. Descals (IMEDEA, CSIC-UIB, Esporles, Mallorca, Spain) for the pre-submission review of the manuscript and to M. Moncusí for technical assistance with the scanning electron microscope. This work was supported by CICYT (Ministerio de Educación y Cultura, Spain) grant REN 2000–1521.