Daldinia fissa C. G. Lloyd



Daldinia fissa C. G. Lloyd, Mycol. Writings 7: 1313. 1924.

= Sphaeria concentrica Bolton: Fr. var. pedicellata Pers., Syn. Meth. Fung. I, p. 8. 1801; [nom. rejic., ICBN Art. 13.1(d)].

º Sphaeria concentrica Bolton: Fr. var. obovata Fr.: Fr., Syst. Mycol. II, 331. 1823.

º Daldinia concentrica (Bolton: Fr.) Ces. & De Not. var. obovata (Fr.: Fr.) Sacc., Syll. Fung. I, p. 394. 1882.

= Sphaeria vernicosa Schwein., J. Acad. Nat. Sci. Philadelphia 5: 9. 1825; non DC. & Lam. [: Fr.], 1815; nec Fée, 1834; [nom. rejic., ICBN Arts. 13.1(d) & 64.1].

º Daldinia vernicosa (Schwein.) Ces. & De Not., Comment. Soc. Crittog. Ital. 1: 198. 1863.

º Hypoxylon vernicosum (Schwein.) Berk. & M. A. Curtis apud Berk., J. Linn. Soc., Bot. 10: 384. 1869; non Ellis & Everh., 1897.

= Daldinia simulans Child, Ann. Missouri Bot. Gard. 19: 453. 1932.

Stromata turbinate or peltate, usually stipitate, solitary or aggregated, smooth or wrinkled, lacking perithecial mounds, 0.5-4 cm diam x 0.5-3.8 cm high; surface brown vinaceous (84), blackened and varnished in age; dull reddish brown granules immediately beneath surface, with KOH-extractable pigments dark livid (80) or livid violet (79); the tissue between perithecia grayish brown, pithy to woody; the tissue below the perithecial layer composed of alternating zones, the darker zones dark brown, pithy to woody, 0.1-0.2 mm thick, the lighter zones white, gelatinous, disintegrating and becoming loculate when dry, 0.6-1.3 mm thick.

Perithecia tubular, 0.3-0.4 mm diam x 0.8-1.3 mm high.

Ostioles slightly papillate.

Asci fragmentary, with apical ring bluing in Melzer's iodine reagent, discoid, 0.5 mm high x 3-3.5 mm broad.

Ascospores dark brown to blackish brown, unicellular, ellipsoid, slightly inequilateral to equilateral, with broadly to narrowly rounded ends, 11.5-15.5 x 6.5-9 mm, with straight germ slit spore-length on more convex side; perispore indehiscent or, infrequently, dehiscent in 10% KOH; epispore smooth.