Teleomorph of Hypocrea sulphurea. a, b, e. Fresh stromata (a. initial stage on fresh Exidia). c, d, f–h. Dry stromata (f. showing mycelial margin; g. surface showing ostiolar dots; h. in bark fissure). i. Apical ostiolar cells. j. Surface cells in face view. k. Perithecium in section. l. Cortical and subcortical tissue in section. m. Subperithecial tissue in section. n. Stroma base in section. o, p. Asci with ascospores (p. in cotton blue/lactic acid). q, r. Ascospores in cotton blue/lactic acid. a. Mauerbach, 5 June 2004. b. WU 29497. c, h, i, k–n, r. WU 29491. d, g, j. WU 29492. e. WU 29498. f. WU 29493. o. WU 29504. p. WU 29502. q. WU 29494. Scale bars
a=7 mm. b, e=1.5 mm. c, f= 1 mm. d=3 mm. g=0.2 mm. h=0.5 mm. i, l–n=20 μm. j, o, p=10 μm. k=40 μm. q, r=5 μm