Fungi, Ascomycetes, Ustilaginales, Uredinales . Fig. 18. Eremasais albus Eidam; a. b. c. d. sexualapparatus; e. /. %. h. fusion of gametangia; *. /!;. development of asci; /. parthenogenetic ascus;x 900-1000; aft ?• Eidam. Ill PLECTASCALES 59. Fig. 19. Ereinascus fertilis Stoppel; stages in the formation of the ascus, both by fusion of twocells and parthenogenetically; after Guilliermond.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfungi, bookyear1922