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Page number:150 
Remarks (internal):Dennis (1961) treated X. arbuscula Sacc. as a synonym of X. mellissii. Xylaria mellissii is very similar to X. apiculata Cooke, which, however, has longer (? 25 µm) ascospores (Rogers & Samuels 1986). X. pseudoapiculata Hamme & Guerrero, described from Southern Brazil, which is also macroscopically similar to X. mellissii, has a spiraling germ slit (Hamme & Guerrero 1997). Another species with mucronate apices from Southern Brazil is X. euphorbiicola Rehm, which is distinguished by a smooth surface, slender stipe, and 8-10 µm long ascospores (Dennis 1957). 
Description type:Non-original description 
Description:Xylaria mellissii (Berk.) Cooke, Grevillea 11(59): 85 (1883). Fig. 8 Stromata with fertile part cylindrical, conical to subclavate, with mucronate sterile apices, branched or unbranched, 0.4-1.1 cm total length x 0.9-3.9 cm diam, long to short-stipitate, stipe black, tomentose, 0.5-1.7 cm high x 0.4-1 cm wide. External surface black, with brown peeling outer layer, roughened. Internally white, not becoming hollow. Perithecia completely immersed, up to 1 mm diam, ostioles black, papillate. Asci eight-spored, cylindrical, stipitate, 125-195 µm total length x 6-7 µm broad, the spore-bearing part 75-110 µm, apical ring bluing in Melzer's iodine reagent, cylindric to inverted hat-shaped, 2.5-3 µm high x 2-2.5 µm broad. Ascospores ellipsoid-inequilateral, dark brown, unicellular, smooth, 14-17(-19) x 6-7 µm, germ slit conspicuous, straight to slightly wavy, longitudinal, less than ascospore-length.
Substrate - dead branch of Bauhinia variegata L. (Leguminosae); undetermined decaying hardwood.
Material examined - Brazil. Santa Catarina: Florianópolis. Horto Botânico da UFSC. col. Trierveiler-Pereira. 06.III.2006 (FLOR 31924); Brazil. Santa Catarina: Santo Amaro da Imperatriz. Hotel Caldas da Imperatriz. col. Trierveiler-Pereira & Marcon-Baltazar. 11.VII.2006 (FLOR 31930).
 
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