Biscogniauxia nummularia (Bull.: Fr.) Kuntze

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Biscogniauxia nummularia (Bull.: Fr.) Kuntze, Rev. Gen. Plant. 2: 398. 1891.

º Hypoxylon nummularium Bull.: Fr., Hist. Champ. Fr. I, p. 179. 1791.

º Sphaeria nummularia (Bull.) DC. & Lam., Fl. Franc. II, p. 290. 1805; (Bull.: Fr.) DC. & Lam., Syst. Mycol. II, p. 348. 1823.

º Nummularia nummularia (Bull.: Fr.) J. Schrot., Pilz. Schles. II, p. 458. 1897.

º Numulariola nummularia (Bull.: Fr.) House, New York State Museum Bull. 266: 49. 1925.

º Nummularia bulliardi Tul. & C. Tul., Sel. Fung. Carp. II, p. 43. 1863.

º Biscogniauxia bulliardi (Tul. & C. Tul.) Kuntze, Rev. Gen. Plant. 2: 398. 1891.

º Kommamyce bulliardi (Tul. & C. Tul.) Nieuwland, Amer. Midl. Naturalist 4: 375. 1916.

= Sphaeria anthracina Schmidt, Mycol. Heft., Leigzig 1: 55. 1817.

º Nummularia anthracina (Schmidt) Traverso, Fl. Ital. Crypt. Pyren. I, p. 57. 1906. Fide Fries (1823), Shear (1941), Miller (1961), and Pouzar (1986).

= Nummularia bulliardi Tul. & C. Tul. var. minor Rehm, Transzchel, & Serebrianikow, Mycotheca Rossica Sive Fungorum Rossiae Et Regionum Confinium Asiae Specimina Exsiccata, fasc. 6 & 7, no. 277. 1912.

Stromata applanate, 0.5-6 cm long x 0.5-5 cm broad x 0.6-0.8 mm thick; outer dehiscing layer fawn-colored, thin; mature surface blackish; carbonaceous immediately beneath surface; tissue between perithecia woody, grayish brown, becoming dark brown; tissue beneath perithecia inconspicuous.

Perithecia obovoid, 0.3-0.5 mm diam x 0.5-0.7 mm high.

Ostioles slightly higher than stromatal surface with openings slightly papillate, or lower than stromatal surface with openings punctate and usually surrounded by slightly raised rim.

Asci 95-120 mm total length x 9-10 mm broad, the spore-bearing parts 75-90 mm long, the stipes 15-30 mm long, with apical ring bluing in Melzer's iodine reagent, discoid, 1.5-2.5 mm high x 3.5-4 mm broad.

Ascospores dark brown, unicellular, ellipsoid, nearly equilateral, with broadly to, less frequently, narrowly rounded ends, smooth, 10-13 (-14) x (6.5-) 7.5-8.5 mm, with straight germ slit spore-length.