 Phylum：Ascomycota >> Class： Ascomycetes >> Order： Xylariales |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Melomastia mastoidea | |||
| Author： |
Basionym: Sphaeria mastoidea Fr., Syst. Mycol. 2:463. 1823. Melomastia mastoidea (Fr.) Schroet., Kryptogamenfl. Schl. 3(2): 320. 1896. |
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| Description： |
Ascomata obpyriform with a flatterned base, 450-580 μm wide, 480-600 μm high, separate and widely scattered, immersed beneath the epidermis which is pierced by a conical papillate ostiole, with the central canal up to 100 μm wide. Peridium of two regions, the outer region of variable thickness with the papillate portion wider and carbonaceous, 60-100 μm wide, while at the sides and base 14-30 μm wide composed of thick-walled, brown, compressed cells, and the inner region of hyaline, elongated, thin-walled, pseudoparenchymatous cells. Asci numerous, unitunicate, cylindrical, 130-160 × 5-7 μm, 8-spored, apex rounded, stalked, with a nonamyloid apical ring. Paraphyses present. Ascospores, uniseriate, oblong with obtuse ends, hyaline, smooth, 14-17 × 4-6 μm, 2-septate, with a slightly longer middle cells and shorter end cells with mucilaginous sheath visible when mounted in water. Ascospores may separate into individual cells when slight pressure is applied on them. | |||
| Specimens： |
Taiwan, Nantou Hsien, Piluchi, 5 Nov. 1994, NCHUPP-2381. |
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| Habitat： |
On indet. wood. | |||
| Distribution： |
Europe, Taiwan. |
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| References： |
Barr, ME. 1994; Chen, CY and Hsieh, WH. 1996. |
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| Provided： |
W. H. Hsieh |
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| Note： |
Barr (1994) described the ascospores as becoming verruculose with age. This character has not been observed in the specimen examined. | |||