Notes on hyphomycetes. LXXXII. A further contribution toward a monograph of the genus Haplotrichum

Twelve further species of Haplotrichum; namely H. album, H. chilense, H. cu rtisii, H, gracile, H. linderi, H. ochraceum, H. ovalisporium, H. ramosissi mum, H. rubiginosum, H. simile, H. tomentosum, and H. vesiculosum, are desc ribed and illustrated. The hallmark characteristics of the respective taxa are particularized, and the generic concept is discussed at greater length, especially in relation to the range of morphological variables which serve to distinguish the recognized species. Certain peculiarities which appear to be unique to this anamorph-complex are noted.