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Ostropales indet. 1
Hans-Otto Baral,
03-10-2009 18:02
branch 6 mm thick. Sp. ca. 300 µm long, *2.8-3.3 µm wide, cells 6-9(-10) µm long, lipid content 1-1.5. Asci inamyloid, basal ca. 1/8 of hymenium IKI 3bb, apical ca. 1/4-1/3 of hymenium 2-3rb.
Zotto
Hans-Otto Baral,
03-10-2009 18:04
Bernard Declercq,
04-10-2009 13:58
Re:Ostropales indet. 1
Hi Zotto,
Your collection macroscopically looks like Schyzoxylon ligustri (Schwein.) Sherwood. The asci in my collection however were only 165-190 µm long and the spores were disarticulating. Maybe you have to further check that genus as far as periphysoids are absent.
Best regards,
Bernard Declercq
Your collection macroscopically looks like Schyzoxylon ligustri (Schwein.) Sherwood. The asci in my collection however were only 165-190 µm long and the spores were disarticulating. Maybe you have to further check that genus as far as periphysoids are absent.
Best regards,
Bernard Declercq
Hans-Otto Baral,
04-10-2009 23:25
Re:Ostropales indet. 1
Hi Bernard
I think that periphysoids are absent, but I will check again. The problem is that the spores are clearly not disarticulating, and therefore one arrives with Sherwood's key at Sch. alboatrum, just the same name as for the other, quite different Ostropales from this collection. When reading Sherwood's diagnosis I can actually not decide which of the two certainly different species fits better.
Zotto
I think that periphysoids are absent, but I will check again. The problem is that the spores are clearly not disarticulating, and therefore one arrives with Sherwood's key at Sch. alboatrum, just the same name as for the other, quite different Ostropales from this collection. When reading Sherwood's diagnosis I can actually not decide which of the two certainly different species fits better.
Zotto
Hans-Otto Baral,
05-10-2009 17:42
Re:Ostropales indet. 1
Here is a section showing that periphyses are absent. Sherwood asks in lead 6 (p. 110) whether the marginal hyphae are brown or hyaline. In my specimen there is both, hyaline and somewhat olive-brown. Going hyaline one comes to the S-American Sch. cordobensis which does not fit too badly.
Hans-Otto Baral,
05-10-2009 17:50