Daldinia cuprea Starb.



Daldinia cuprea Starb., Bih. Kongl. Svenska Vetensk.-Akad. Handl. 27, 3: 5. 1901.

= Daldinia granulosa Speg., Anales Mus. Nac. Hist. Nat. Buenos Aires 19: 345. 1909.

Stromata cylindrical, unbranched, subsessile or with stout stipe usually bearing constricted rings, solitary, with conspicuous perithecial mounds, 1-2 cm diam x up to 5.5 cm total length, the stipe up to 2 cm long x 0.7-1.3 cm diam; surface fuscous (103), blackened and varnished in age; dull reddish brown granules immediately beneath surface, with KOH-extractable pigments dark mouse gray (119); the tissue between perithecia whitish, grayish, or brown, pithy to woody; the tissue below the perithecial layer composed of alternating zones, the darker zones dark brown, pithy to woody, 0.2-0.3 mm thick, the lighter zones white, pithy, becoming fibrous and loosening, 2-3 mm thick.

Perithecia obovoid, 0.4-0.6 mm diam x 0.6-0.8 mm high.

Ostioles slightly papillate.

Asci fragmentary, with apical ring bluing in Melzer's iodine reagent, discoid, 0.5 mm high x 2.5 mm broad.

Ascospores brown to dark brown, unicellular, ellipsoid-inequilateral, with narrowly rounded ends, 10-11.5 x 4.5-5.5 mm, with straight germ slit spore-length on convex side; perispore dehiscent in 10% KOH, smooth; epispore smooth.