Deuteromycetes I: The Sporidesmium Complex

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Abstract
This paper delimits the genera of the Sporidesmium complex on the basis of colony type and spore morphology. The acervulate spp. are placed in Steganosporium Corda, typified by St. pyriforme, Sciniatosporium Kalchbr. and Thyrostromella Hohn. are synonyms. Transferred are St. Lycii (Sciniatosporium Kalchbr.), St. myrianum (Sporidesmium Desm.), St. celtidis (Sporidesmium Syd.) and St. foliicolum (Sporidesmium Desm.). The sporodochial spp. are placed in Berkleasmium Zobel, typified by B. concinnum (Sporidesmium Berk., B. Cordeanum Zobel). Transferred are B. granulosum (Sporidesmium Dur. and Mont.) and B. conglobatum (Sporidesmium Cke. and Ell.). The dematiaceous spp. are placed in Piricauda Bubak, the correct name for those phaeodictyous monacrogenous spp. of the Dematiaceae now assigned to Sporidesmium and Stigmella; it is typified by P. paraguayense (Stemphylium Speg., Stigmella Uleana Sacc. and Syd.); Sporidesmium and Stigmella sensu Sacc. are synonyms. The type of Sporidesmium, Sp. atrum, is phaeophragmous and this is the correct name for such monacrogenous spp. of the Dematiaceae; Clasterisporium Schw. and Hymenopodium Corda are synonyms. Cl. caricinum, the type of its genus, becomes Sp. caricinum, Stigmella dryophylla, the type of its genus, is pycnidial and the remaining spp., must, therefore, be transferred to other genera. Stigmella montellica Sacc. is designated as the lectotype of Stigmopsis but since it is staurosporous it is transferred as Cheiromyces montellica. Stemphylium is distinguished from Piricauda.

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