{"title":"Thaxterina, a new tubeufiaceous genus with multispored asci from India","authors":"A. Sivanesan, R.C. Rajak, R.C. Gupta","doi":"10.1016/S0007-1536(88)80077-9","DOIUrl":"10.1016/S0007-1536(88)80077-9","url":null,"abstract":"<div><p><em>Thaxterina multispora</em> gen. et sp. nov. is described and illustrated. It is a member of the Tubeufiaceae with dark ascomata. This family is mainly represented by members with hyaline to coloured ascomata but also includes two members, <em>Thaxteriella</em> and <em>Thaxteriellopsis</em>, with dark ascomata. <em>Thaxterina</em> is separated from these two genera by the multispored asci with relatively small ascospores.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 4","pages":"Pages 662-665"},"PeriodicalIF":0.0,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80077-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75431044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chemotropism of germ-tubes of Chaetomium globosum to volatile factors from wood","authors":"Michael J. Carlile, Susan L. Matthews","doi":"10.1016/S0007-1536(88)80070-6","DOIUrl":"10.1016/S0007-1536(88)80070-6","url":null,"abstract":"<div><p>Germ-tubes of <em>Chaetomium globosum</em> show positive chemotropism to volatile factors emitted by heat-dried birch and pine wood.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 4","pages":"Pages 643-644"},"PeriodicalIF":0.0,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80070-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76384599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Australian leaf-inhabiting fungi. XXVIII. Hendersonia on Eucalyptus","authors":"H.J. Swart, J. Walker","doi":"10.1016/S0007-1536(88)80069-X","DOIUrl":"10.1016/S0007-1536(88)80069-X","url":null,"abstract":"<div><p>Of the seven species of <em>Hendersonia</em> described from <em>Eucalyptus</em>, five are considered in detail. <em>H. eucalypti</em> is shown to be the same as <em>Seimatosporium lichenicola</em> and <em>H. grandispora</em> is identical with the species commonly called <em>Phaeoseptoria eucalypti. H. fraserae</em> is the same as the earlier-described <em>H. eucalypticola</em>. The new genus <em>Sonderhenia</em> is proposed for the two leaf parasites <em>H. eucalyptorum</em> and <em>H. eucalypticola</em> and is characterized by brown distoseptate conidia with finely roughened walls produced from brown annellidic conidiogenous cells borne in pycnidia. It is distinct from <em>Phaeoseptoria</em> and from the species commonly called <em>P. eucalypti</em>, whose taxonomic position will be considered elsewhere.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 4","pages":"Pages 633-641"},"PeriodicalIF":0.0,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80069-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75778570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Spore release in hypogeous, gasteroid and agaricoid Russulales","authors":"Steven L. Miller, Orson K. Miller Jr","doi":"10.1016/S0007-1536(88)80001-9","DOIUrl":"10.1016/S0007-1536(88)80001-9","url":null,"abstract":"<div><p>Late basidiospore development was examined in seven heterotropic and orthotropic species of Russulales. In <em>Lactarius, Russula, Macowanites, Elasmomyces, Martellia</em>, and <em>Zelleromyces</em>, a transverse electron-transparent region developed in the sterigmal apex that separated sterigmal cytoplasm from basidiospore cytoplasm. A plug-forming body descended into the hilar appendix, and electron-transparent plugging material, composed of up to three distinct regions was deposited. An electron-transparent plug also formed in the sterigmal apex. A moderately electron-dense layer that formed between sterigmal and hilar appendix plugs became a septum or abscission zone.</p><p>Spore wall layers near the hilar appendix of <em>Lactarius lignyotellus</em>, a heterotropic species, became discontinuous from wall layers in the sterigma, and developed striations prior to spore discharge. Hilar appendix wall layers also became hydrolyzed near the point of liquid droplet formation. An adaxial liquid droplet was observed in <em>Macowanites luteolus</em> with TEM for the first time.</p><p>Late spore development in orthotropic species was similar to that described for heterotropic species, however, little hydrolysis of the hilar plug, septum, or spore wall layers in the vicinity of the hilar appendix occurred before or after spore release. Spore release in orthotropic spores was the result of a degeneration or hydrolysis of the sterigma. Because orthotropic spores retained the septum and variable lengths of sterigmal wall after release, a functional distinction was made in this study between the septum in orthotropic spores and the abscission zone in heterotropic spores. Similarly, spore release and spore discharge are thought to be separate processes in the Russulales. Lack of hydrolysis in the hilar plug and absence of an adaxial liquid droplet in orthotropic spores are considered to be significant in the evolution of spore release mechanisms in the Russulales.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 4","pages":"Pages 513-526"},"PeriodicalIF":0.0,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80001-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79146482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cylindrocarpon bonaerense, a new species in the Nectria mammoidea group","authors":"D. Brayford, C. Booth","doi":"10.1016/S0007-1536(88)80080-9","DOIUrl":"10.1016/S0007-1536(88)80080-9","url":null,"abstract":"<div><p>The new species <em>Cylindrocarpon bonaerense</em>, isolated from soil in Argentina, is described. It differs from other <em>Cylindrocarpon</em> anamorphs belonging to the <em>Nectria mammoidea</em> group in the size and shape of its conidia. Its teleomorph is at present unknown.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 4","pages":"Pages 673-676"},"PeriodicalIF":0.0,"publicationDate":"1988-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80080-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85085782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"","authors":"Roy Watling","doi":"10.1016/S0007-1536(88)80173-6","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80173-6","url":null,"abstract":"","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 3","pages":"Page 511"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80173-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72244108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Saprolegnia parasitized by Mortierella alpina","authors":"L.G. Willoughby","doi":"10.1016/S0007-1536(88)80165-7","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80165-7","url":null,"abstract":"<div><p><em>Mortierella alpina</em> parasitizes the mycelium and oogonia of <em>Saprolegnia hypogyna</em> and <em>S. unispora</em> in pure dual culture. Oospores within infected oogonia disintegrate.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 3","pages":"Pages 496-499"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80165-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72279078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The changing macromycete flora in the Netherlands","authors":"Eef Arnolds","doi":"10.1016/S0007-1536(88)80148-7","DOIUrl":"10.1016/S0007-1536(88)80148-7","url":null,"abstract":"<div><p>Changes in this century in the composition of the macromycete flora in the Netherlands were studied by a comparison of excursion reports, mapping of selected species, and repeated mycocoenological studies in permanent plots in forests. The three approaches show similar trends. Among saprotrophic macromycetes of forest litter only a few species show a significant increase or decrease, but most saprotrophic species of grass- and heath-lands are markedly decreasing, due to modern agricultural practice, notably the use of artificial fertilizers.</p><p>Lignicolous macromycetes are in general increasing, in particular parasitic species, an increase mainly ascribed to the ageing of forests. Among the ectomycorrhizal macromycetes not a single species showed a significant increase, but at least 55 out of 126 species showed a significant decrease. This decline is strongest among species exclusively, or mainly, associated with coniferous trees. At least 15 ectomycorrhizal species seem to have disappeared completely from the Netherlands. Natural forest development, changes in forestry and agriculture and collecting of carpophores are excluded as important factors effecting these changes. The decrease of ectomycorrhizal fungi is mainly attributed to acid precipitation and its effects on soil chemistry and the vitality of trees. However, the exact process is still unknown. Two hypotheses that may explain this phenomenon are discussed.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 3","pages":"Pages 391-406"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80148-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74582847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chlamydospore formation during basidiospore germination in Marasmius oreades","authors":"C.T. Ingold","doi":"10.1016/S0007-1536(88)80164-5","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80164-5","url":null,"abstract":"<div><p>In <em>Marasmius oreades</em> germination of a basidiospore on 2.0 % malt agar gives a relatively long, narrow germ-tube that soon branches to produce a mycelium. However, on 0.2 % malt agar either the basidiospore gives a short, fat germ-tube which soon ceases to grow and in which a single chlamydospore is formed, or a chlamydospore is formed within the basidiospore without any germ-tube being produced.</p></div>","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 3","pages":"Pages 495-496"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80164-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72205765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"","authors":"J.G. Manners","doi":"10.1016/S0007-1536(88)80171-2","DOIUrl":"https://doi.org/10.1016/S0007-1536(88)80171-2","url":null,"abstract":"","PeriodicalId":101257,"journal":{"name":"Transactions of the British Mycological Society","volume":"90 3","pages":"Page 510"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0007-1536(88)80171-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72228899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}