FIGURE 7 in The status of Myriangiaceae (Dothideomycetes)

FIGURE 7. Hemimyriangium betulae (isotype). a. Herbarium material. b–c. Ascostromata on host substrate. d. Cross section of ascostroma. e–f. Peridium of locules. g. Immature and mature asci stained with cotton blue. h. Immature ascus. i. Immature ascus stained with cotton blue. j–k. Mature asci. l–n. Mature asci stained with cotton blue. o–p. Smooth to verrculose walled ascospores. q–s. Ascospore stained with cotton blue. Scale bars: b = 2 mm, c = 200 µm, d = 400 µm, e = 100 µm, f–g = 40 µm, h–s = 10 µm.