. Bulletin of the British Museum (Natural History). Botany; Botany. Fig. 2 Bachmanniomyces uncialicola (W 1929/2—holotype of Sirococcus lichenicola). A, Gall with pycnidia close to the apex of a branch, note the thinner stem above the gall (x 125). B, Gall with pycnidia arising laterally, the branch similar in thickness above and below the gall (x 12*5). Number of species: Monotypic. Observations: Bachmanniomyces has no very close allies amongst the non-lichenicolous Coelomycetes. The conidiogenous cells in Discosporium Hohnel (type species D. populeum (Sacc.) B. Sutton) are rather similar but
. Bulletin of the British Museum (Natural History). Botany; Botany. Fig. 2 Bachmanniomyces uncialicola (W 1929/2—holotype of Sirococcus lichenicola). A, Gall with pycnidia close to the apex of a branch, note the thinner stem above the gall (x 125). B, Gall with pycnidia arising laterally, the branch similar in thickness above and below the gall (x 12*5). Number of species: Monotypic. Observations: Bachmanniomyces has no very close allies amongst the non-lichenicolous Coelomycetes. The conidiogenous cells in Discosporium Hohnel (type species D. populeum (Sacc.) B. Sutton) are rather similar but the pycnidia in that genus are dark brown and aggregated into stromata. Sirococcus Preuss (type species S. stobiUnits Preuss) was probably selected by Keissler (in Bachmann, 1929) for this fungus as he interpreted the conidia as catenate, but in Sirococcus the pycnidia are carbonaceous, lack a distinct ostiole, and the conidiogenous cells are branched (see Sutton, 1980). This new genus is named in honour of Edwald Th. Bachmann (1850-1937) in recognition of his pioneering work on gall-like structures in lichens, including investigations of the type species of Bachmanniomyces (Bachmann, 1929). 1. Bachmanniomyces uncialicola (Zopf) D. Hawksw. comb. nov. (Figs. 2A-B, 3A-E) Phyllosticta uncialicola Zopf, Hedwigia 35 : 324 (1896). Type: British Isles, Scotland, Perthshire, Dunkeld, summit of Birnam Hill, on Cladonia uncialis, September 1858, W. L. Lindsay (E—lectotype!). Phoma uncialicola (Zopf) Vouaux, Bull, trimest Soc. mycol Fr. 30 : 198 (1914). Sirococcus lichenicola Keissler, in Bachmann, Arch. Protistenk. 66 : 469 (1929). Type: Sweden, Asele Lappmark, Kirchspiel Vilhelmina. auf Cladonia amaurocraea, Sommer 1928, G. NilssonfG. DegeliusJ(W 1929/2—holotype!).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original wor
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