Hypoxylon bovei Speg.

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Hypoxylon bovei Speg., Bol. Acad. Nac. Ci. 11: 201. 1887.

= Hypoxylon ophthalmidium Mont. apud C. Gay, Fl. Chilena VII, p. 445. 1850; [nom. inval., ICBN Art. 34.1 (b)].

= ? Hypoxylon annulatum var. patagoniensis Henn., Öfvers. Förh. Kongl. Svenska Vetensk. Akad. 1900: 327. 1900.

Stromata pulvinate, containing fewer than ten perithecia, slightly constricted at base, with perithecial mounds inconspicuous to 1/3 exposed, 1-5 mm diam x 1 mm thick; surface dark brown, with olivaceous tone, usually granulose; blackish woody tissue immediately beneath surface, without apparent KOH-extractable pigments; the tissue below the perithecial layer inconspicuous.

Perithecia spherical, 0.7-1 mm diam.

Ostioles papillate, encircled with a bovei-type disc 0.5-0.7 mm diam.

Asci 170-200 mm total length x 8-9 mm broad, the spore-bearing parts 80-100 mm long, the stipes 70-105 mm long, with apical ring bluing in Melzer's iodine reagent, discoid, 1-1.5 mm high x 2.5-3 mm broad.

Ascospores brown to dark brown, unicellular, ellipsoid-inequilateral, with narrowly rounded ends, 10.5-13 (-14) x 5-6.5 mm, with straight germ slit less than spore-length; perispore dehiscent in 10% KOH, smooth; epispore smooth.