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Hans-Otto Baral
Hi, I want to announce for next Sunday 17.00 middl
Phialina? Calycellina?
Yatsiuk Iryna,
29-12-2010 18:07
Hello, forum!This specimen was found on Salix wood.
Apothecia 1-2 mm in diam, cream-coloured, on the short stalk.
Spores 6-9*0,7-1 um, allantoid, with 2 oil droplets.
Asci 38-48*4-5,5 um, IKI "-" (as far as I can see)
Hairs very slender, hyaline, incrustated with some substance. 45-55*3 um
What are your opinions about this?
Thank you,
Irina
13776.jpg
Yatsiuk Iryna,
29-12-2010 18:08
Re:Phialina? Calycellina?
Macro
Yatsiuk Iryna,
29-12-2010 18:16
Re:Phialina? Calycellina?
Excipulum
Yatsiuk Iryna,
29-12-2010 18:21
Re:Phialina? Calycellina?
Cross-section, hairs (unfortunately poorly visible)
Stip Helleman,
29-12-2010 19:14
Re:Phialina? Calycellina?
Hallo Irina,
I think you have Calycina vulgaris, the dimensions and guttulation fit quite well for dead spores, the hairs you mention i don't see, but what is in the drawings i would judge as paraphyses.
best regard
Stip
I think you have Calycina vulgaris, the dimensions and guttulation fit quite well for dead spores, the hairs you mention i don't see, but what is in the drawings i would judge as paraphyses.
best regard
Stip
Yatsiuk Iryna,
29-12-2010 19:25
Re:Phialina? Calycellina?
Thank you very much, Stip!
The specimen was collected on 20 December, so spores probably are dead.
Maybe these are paraphyses, but it seemed to me that I also have seen very tiny hairs on the outer side of apothecium.
Irina
The specimen was collected on 20 December, so spores probably are dead.
Maybe these are paraphyses, but it seemed to me that I also have seen very tiny hairs on the outer side of apothecium.
Irina
Stip Helleman,
29-12-2010 19:40
Re:Phialina? Calycellina?
Hi Irina,
There are tiny hairs on the outside of the excipulum but with a averige of about 15 mu long.
They are best seen when you put a part of the excipulum with the outside up in water and gently add the coverglass without tapping ( so there remains some air between the hairs)
Stip
There are tiny hairs on the outside of the excipulum but with a averige of about 15 mu long.
They are best seen when you put a part of the excipulum with the outside up in water and gently add the coverglass without tapping ( so there remains some air between the hairs)
Stip
Hans-Otto Baral,
29-12-2010 20:00
Re:Phialina? Calycellina?
Hi Irina
I agree with Stip. If we can be sure about the IKI-negative asci I have no doubt for Calycina vulgaris.
The species is not very common, and I had it mainly on Salix wood or bark, but also on Rosaceae etc.
Zotto.
I agree with Stip. If we can be sure about the IKI-negative asci I have no doubt for Calycina vulgaris.
The species is not very common, and I had it mainly on Salix wood or bark, but also on Rosaceae etc.
Zotto.
Thomas Læssøe,
05-01-2011 12:33
Re:Phialina? Calycellina?
hi there
Here in Denmark it seems to be a very late season thing and can occur in abundance on attached Salix twigs - so maybe it is rather common when the mycologists are hibernating :)
Here in Denmark it seems to be a very late season thing and can occur in abundance on attached Salix twigs - so maybe it is rather common when the mycologists are hibernating :)
Yatsiuk Iryna,
09-01-2011 11:35
Re:Phialina? Calycellina?
Thank you all for your help!
Irina
Irina