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Encoelia sur Fraxinus
Gilbert MOYNE,
26-03-2013 11:11
Il pourrait correspondre à Encoelia fascicularis mais plusieurs choses me gènent :
- J'ai toujours récolté E. fascicularis sur Populus (tremula ou autre)
- Les apothécies ne sont que solitaires ou par deux au maximum (ches E. fascicularis elles sont par 5-10)
- La couleur de l'hymenium est franchement noirâtre contre plutôt brunâtre chez fascicularis
- La taille des spores est légèrement supérieure : 14-16 x 3-4.
Ma récolte correspond bien à la fiche de Zotto HB 3005E.
Existe-t-il une espèce liée à Fraxinus ou faut-il considérer ces différences comme normales... ?
Merci à vous tous
Gilbert
Hans-Otto Baral,
26-03-2013 12:42
Re : Encoelia sur Fraxinus
Hi Gilbert
I would also like to know that. Once I thought that these might be two species, but later I gave it up. Now when looking at your images, this reminds me very much of my recolte on Fraxinus near my house a few years ago.
Here the text in my key:
Ectalexcipulum of vertically oriented, slightly gelatinised textura prismatica-angularis, cortex of large, spherical, dark red-brown incrusted cells, apothecia externally not fibrous, excipulum and hymenium numerous covered by numerous rhomboid oxalate crystalls, asci nearly IKI-, apothecia emerging from sclerotia hidden in the cortex, with early black-brown hymenium, spores *12-16.3 x 3-4 µm, very low lipid content, on branches of Populus and Fraxinus ....... E. fascicularis
(a suspected deviation of Populus compared to Fraxinus, especially due to a brown layer between ectal excipulum and medulla in Populus finds as asserted in Baral & Krieglsteiner (1985: 116) needs further observation)
Zotto
I would also like to know that. Once I thought that these might be two species, but later I gave it up. Now when looking at your images, this reminds me very much of my recolte on Fraxinus near my house a few years ago.
Here the text in my key:
Ectalexcipulum of vertically oriented, slightly gelatinised textura prismatica-angularis, cortex of large, spherical, dark red-brown incrusted cells, apothecia externally not fibrous, excipulum and hymenium numerous covered by numerous rhomboid oxalate crystalls, asci nearly IKI-, apothecia emerging from sclerotia hidden in the cortex, with early black-brown hymenium, spores *12-16.3 x 3-4 µm, very low lipid content, on branches of Populus and Fraxinus ....... E. fascicularis
(a suspected deviation of Populus compared to Fraxinus, especially due to a brown layer between ectal excipulum and medulla in Populus finds as asserted in Baral & Krieglsteiner (1985: 116) needs further observation)
Zotto
Gilbert MOYNE,
26-03-2013 17:00
Re : Encoelia sur Fraxinus
Merci Zotto.
Mon matériel était assez vieux et je n'ai pas fait de coupe de la chair.
Je classe donc ma récolte sous Encoelia fascicularis (mais qui n'est pas fasciculée...)
Gilbert
Mon matériel était assez vieux et je n'ai pas fait de coupe de la chair.
Je classe donc ma récolte sous Encoelia fascicularis (mais qui n'est pas fasciculée...)
Gilbert
Hans-Otto Baral,
26-03-2013 17:03
Re : Encoelia sur Fraxinus
Yes, it is very complicated and subtle because the fungus is variable. On Fraxinus indeed exist also fasciculate apothecia.
Zotto
Zotto
Gilbert MOYNE,
26-03-2013 17:08
Re : Encoelia sur Fraxinus
Vielen Dank.
Freunschäftlig
Gilbert
Freunschäftlig
Gilbert