Previous articleNext article FreeThe Structure and Relationship of Urnula geasterF. D. Heald and F. A. WolfF. D. Heald Search for more articles by this author and F. A. Wolf Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by Volume 49, Number 3Mar., 1910 Article DOIhttps://doi.org/10.1086/330146 Views: 107Total views on this site Citations: 6Citations are reported from Crossref Journal History This article was published in the Botanical Gazette (1876-1991), which is continued by International Journal of Plant Sciences (1992-present). PDF download Crossref reports the following articles citing this article:Donald H. Pfister, Caroline Slater, Karen Hansen Chorioactidaceae: a new family in the Pezizales (Ascomycota) with four genera, Mycological Research 112, no.55 (May 2008): 513–527.https://doi.org/10.1016/j.mycres.2007.11.016Nancy S. Weber Western American Pezizales. Selenaspora guernisacii , new to North America, Mycologia 87, no.11 (Aug 2018): 90–95.https://doi.org/10.1080/00275514.1995.12026508Donald H. Pfister Apothecial Development in Cookeina Tricholoma with Comments on Some Related Species, Mycologia 70, no.66 (Sep 2018): 1253–1257.https://doi.org/10.1080/00275514.1978.12020345Richard P. Korf Synoptic Key to the Genera of the Pezizales, Mycologia 64, no.55 (Sep 2018): 937–994.https://doi.org/10.1080/00275514.1972.12019349James W. Kimbrough Current trends in the classification of discomycetes, The Botanical Review 36, no.22 (Apr 1970): 91–161.https://doi.org/10.1007/BF02858958Frederick A. Wolf Mechanism of Apothecial Opening and Ascospore Expulsion by the Cup-Fungus Urnula Craterium, Mycologia 50, no.66 (Sep 2018): 837–843.https://doi.org/10.1080/00275514.1958.12024778