[Taeniolella boppi, a new species, causative agent of chromomycosis].

The holotype is described of a new species of chromomycetes, that was isolated by Prof. Clovis Bopp (Porto Alegre, Rio Grande do Sul, Brasil) from lesions of chromomycosis in the inferior limb of a woman. The binomium Taeniolella boppii is proposed for the new taxon. The whole mycelium is dark. The culture surface is velvetyyowdery, folded into a few forrows, at first olive green later on olive black in color. The macro-culture's diameter grows 1,5 mm. a day. The minimum growing temperature lies at 10, the optimum one at 23-28 and the maximum one at 36 degrees C. The gelatin and the milk proteins are very slowly digested. The vegetative mycellum is made up of smooth, cylindrical hyphae, whose diameter measure, 2,25-3,75 m. From these toruloid hyphae are formed, simple or ramified whose cells measure 3-4 x 3-5 in size, and are smooth, continuous or 1-septate. Sometimes, bigger intercalary or terminal cells are seen that are ellypsoid and dictyoseptated and can measure until 14 m in diameter. No part of the mycellium secredes. By injecting Taeniolella boppii's cultures into peritoneum of white mice, into the derma of a voluntary, into the testes of a guinea-pig and into the plantar bursa of white mice, no progressive injection could be elicted; only an ephemeral germination of some toruloid cells but not the transformation to the chromomicetic parasitic form could be observed. The holotype is preserved in the mycologic collection of the medical faculty of Caracas at the position FMC 292.