Melogramma Fr., Summa veg. Scand., Section Post. (Stockholm): 386 (1849)

MycoBank number: MB 3117; Index Fungorum number: IF 3117; Facesoffungi number: FoF 01320; 17 morphological species (Species Fungorum 2020), 3 species with sequence data.

Type species – Melogramma campylosporum Fr.

Notes – Melogramma is characterized by reddish-brown stroma, dark brown to black, globose, ostiolate and perithecial ascoma, unitunicate, straight, clavate, fusoid or sigmoid, short pedicellate, 8-spored asci with a J-, apical ring and brown, 3-septate, falcate, often strongly curved ascospores with subacute ends and guttulate when mature (Maharachchikumbura et al. 2016b). In this entry we illustrate Melogramma campylosporum.

Figure 163 – Melogramma campylosporum (Material examined – AUSTRIA, Styria, Graz, distr. Mariatrost, on the north-facing hillside below the church, 47°06′29″N, 15°29′32″E, MTB 8858/4, c. 440 m alt.; clearing, on dead shoots of Carpinus betulus L. (Betulaceae), 5 November 2006, leg. and det. C. Scheuer (#5321), S-F123341, p-r redrawn from Laflamme 1976). a Stroma on the host. b Cross section of stroma. c Vertical section of stroma. d Ascoma. e Periphyses. f Peridium. g Paraphyses. h-k Asci. l-o Ascospores. p Pycnidia. q Conidiophores with conidia. r Conidia. Scale bars: a = 500 µm, b-d = 200 µm, e-k, p = 30 µm, l-o = 15 µm, q, r = 5 µm.

Species

  • Melogramma campylosporum