FIGURE 2 in Helicascus alatus (Morosphaeriaceae), a new freshwater species from southwestern China

FIGURE 2. Helicascus alatus (HKAS 99554, holotype). a Material. b Ascomata on host. c Ascoma d Ascoma in vertical section. e Neck in transverse section with periphyses f Peridium. g Asci with pseudoparaphyses. h Ascus i–l Ascospores with gelatinous sheath (arrowed). Note: Figs k–l stained in Congo red reagent. Scale bars: d = 200 μm, e, g–h = 50 μm, f, i–l = 20 μm.