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On Cytisus
Yannick Mourgues,
10-01-2016 13:35
Ascomes sous l'écorce qu'ils transpercent sur la longueur. Isolés ou regroupés les uns à côtés des autres. Posés sur le bois.Asques 32 ou 64 spores (je n'arrive pas bien à trancher. Une préférence pour 32 spores mais...), IKI-, de dimensions 140-160x13-15 um.
Spores allantoides hyalines avec parfois 1 cloison. De dimensions : 8,9-12,4 x 1,7-2,9 um pour Q = 4,3-5,1 ; N = 12.
Suis en panne d'inspiration...
Gernot Friebes,
10-01-2016 14:22
Re : On Cytisus
Hi Yannick,
probably a Nitschkia. Here you can find a key to that genus: http://www.mycologia.org/content/96/4/911.full.pdf
Best wishes,
Gernot
probably a Nitschkia. Here you can find a key to that genus: http://www.mycologia.org/content/96/4/911.full.pdf
Best wishes,
Gernot
Björn Wergen,
10-01-2016 17:05
Re : On Cytisus
Hi Yannick,
why not N. broomeana (= Fracchiaea broomeana)?
regards
why not N. broomeana (= Fracchiaea broomeana)?
regards
Gernot Friebes,
10-01-2016 17:23
Re : On Cytisus
N. broomeana should have 200+ ascospores per ascus. Yannick mentions 32 or 64 spores although it does look like there could be more spores in the ascus on the fourth photo.
Best wishes,
Gernot
Best wishes,
Gernot
Yannick Mourgues,
10-01-2016 18:36
Re : On Cytisus
Thank's again Gernot !
N. broomeiana seems to have more than 200 spores. So I don't think it's this specie Björn.
N. broomeiana seems to have more than 200 spores. So I don't think it's this specie Björn.
Yannick Mourgues,
10-01-2016 18:39
Re : On Cytisus
Yes Gernot.
In many asci I have counted about thirty spores, But in this ascus, I think it's Around 64.
In many asci I have counted about thirty spores, But in this ascus, I think it's Around 64.
Yannick Mourgues,
10-01-2016 18:50
Re : On Cytisus
In this key, I have seen that two species could match: N. pilosa and N. variabilis (This second one only described from Argentina).
My preference is the first one but I have to check if it's hairy or not. But I don't remember seeing ... To be continued.
My preference is the first one but I have to check if it's hairy or not. But I don't remember seeing ... To be continued.
Yannick Mourgues,
10-01-2016 19:02
Re : On Cytisus
No... no hairs. Ans only known from Argentina too...