Fig. 20.

Teleomorph of Hypocrea stilbohypoxyli. a–d. Fresh stromata (a, b. immature; b. holomorph). e–j. Dry stromata (f, g, i, j. immature; f. on stroma of Rosellinia corticium). k. Rehydrated mature stromata. l. Stroma surface in face view. m. Perithecium in section. n. Cortical and subcortical tissue in section. o. Subperithecial tissue in section. p. Stroma base in section. q, r. Asci with ascospores (q. in cotton blue/lactic acid). s, t. Ascospores in cotton blue/lactic acid (t. immature, before disarticulation). a, c, f, g, j, r. WU 29479. b, i. WU 29477. d, e, h, k–q, s, t. WU 29478. Scale bars: a, b = 2 mm. c, d, i = 1.3 mm. e, f = 0.3 mm. g = 0.8 mm. h, j, k = 0.5 mm. l, o, q, r = 10 μm. m, p = 30 μm. n = 20 μm. s, t = 5 μm