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This Helvella was in mixed woodland. Uniform cupul

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Lachnum sur Fagus
Bernard CLESSE, 27-02-2016 13:54
Bernard CLESSEBonjour à tous,

Que pensez-vous de ce Lachnum trouvé sur grosse branche morte et décortiquée de hêtre ?

a) spores fusiformes, sans guttules : 7-14x2-3
b) poils cylindriques, très légèrement enflés au sommet, arrondis au sommet, septés, très finement incrustés (pubescents)
c) paraphyses fusoïdes, dépassant légèrement les asques.

Bernard
  • message #41202
  • message #41202
  • message #41202
Hans-Otto Baral, 27-02-2016 18:00
Hans-Otto Baral
Re : Lachnum sur Fagus
The paraphyses conmtain some VBs, so I think it should be L. brevipilosum. Spores would fit.
Asci should be without croziers in that species, could you verify this?
Bernard CLESSE, 27-02-2016 21:46
Bernard CLESSE
Re : Lachnum sur Fagus
Good evening Zotto,

Asci without crozier and very few VBs at the top of paraphyses. So, OK for Lachnum brevipilosum ?

Thank you very much,

Bernard
  • message #41210
Hans-Otto Baral, 27-02-2016 22:02
Hans-Otto Baral
Re : Lachnum sur Fagus
Yes! But this paraphysis is dead and what you saw are LBs which are stable.

VBs I saw in the centre of a paraphysis in the image paraphyse1.
Bernard CLESSE, 27-02-2016 22:07
Bernard CLESSE
Re : Lachnum sur Fagus
OK Zotto, thank you very much for your explanations !

Bernard