Fig. 3From: Annulatascus nilensis sp. nov., a new freshwater ascomycete from the River Nile, EgyptAnnulatascus nilensis (holotype). A, B. Asci at different stages of maturity; note the long narrow stalk. C. Ascus with apical mechanism. D–F. Ascospores surrounded by an irregular, granular sheath that peels off at a later stage. Bars: A, B = 10 µm, C–F = 5 µm.Back to article page