Notes: I love Graphis but this observation refers to its partner with perithecia. At first I thought that it could be a case of parasitism; know I’m not so convinced of that. The thrust is that both lichens share the same thallus. The microscopy reveals that the pyrenomycete is a well known one – Anisomeridium biforme , thought not for me, since this is the first time I made the microscopy of one.
Some data about this specimen:
- Pyrenomycete with withish tallus;
- Perithecia with involucrellum and pigmented excipulum, dark brown to black being darker above, with cellular structure; Hymenium hialine with(pseudo)paraphysis, I-;
- Asci 8-spored more or less cilindrical with a short and broad ocular chambre, I-;
- Spores ovoid without perispore, 1-septate, smooth, not completely hialine but with a light coloration, for which I got the following dimensions:
(11.8) 12.3 – 14.8 (15.7) x (4.9) 5.6 – 6.7 (7.8) µm
Q = (1.8) 2.1 – 2.6 (3.1) ; N = 24; Me = 13.5 × 6.1 µm ; Qe = 2.3;
- Conidia present.
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Created: 2015-07-24 18:23:54 CDT (-0400)
Last modified: 2015-07-24 18:25:59 CDT (-0400)
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