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Asci with 2 big spores
Marja Pennanen,
30-08-2010 08:30
yesterday I studied part of my new findings. Couldn't determine anything else but C. cyathoidea on ferns :(
These grow on some for me unfamiliar broadleaved grass or carex.
They are about 0,4-0,6 mm wide and broadly attatched.
Marja Pennanen,
30-08-2010 08:40
Re:Asci with 2 big spores
When studying them I noticed a very big spore and thought, that its origin must be somewhere else, because with so big spores those asci I saw could be only 2.spored.
Suprisingly it was so.
The spores were about 30-40x5-7 and seemed to have sometimes 1 or 3 septas.
Asci were 60-85x9-12, IKI+.
The paraphyses were septate, branching and with irregulary swollen tips.
Suprisingly it was so.
The spores were about 30-40x5-7 and seemed to have sometimes 1 or 3 septas.
Asci were 60-85x9-12, IKI+.
The paraphyses were septate, branching and with irregulary swollen tips.
Marja Pennanen,
30-08-2010 08:42
Hans-Otto Baral,
30-08-2010 13:00
Re:Asci with 2 big spores
Never heard of such a fungus. To clarify needs some more features:
- I can notice globose almost hyaline cells of the excipulum, anyhow, the fungus is sessile and should quite easily be sectioned with a razor blade. A view on a median section of the ectal excipuöum would surely help, on flanks and on margin.
- Oil immersion images of the spores and their contents. Are they non-septate inside the living asci?
- IKI reaction blue or red, how is the shape of the apical ring in dead asci, photo possible?
Nimbomollisia macrospora is the only I can guess, oh yes, it is, it has 2-spored asci! See f.ex. Schmid-ascomyceten im Bild 1&2_Page_145.jpg
The fungus is erumpent, if you dry them they should retract and get covered by lobes of epidermis.
Despite my identification please try to answer my questions because I feel that nobody ever described the vital features of this species, including myself.
Zotto
- I can notice globose almost hyaline cells of the excipulum, anyhow, the fungus is sessile and should quite easily be sectioned with a razor blade. A view on a median section of the ectal excipuöum would surely help, on flanks and on margin.
- Oil immersion images of the spores and their contents. Are they non-septate inside the living asci?
- IKI reaction blue or red, how is the shape of the apical ring in dead asci, photo possible?
Nimbomollisia macrospora is the only I can guess, oh yes, it is, it has 2-spored asci! See f.ex. Schmid-ascomyceten im Bild 1&2_Page_145.jpg
The fungus is erumpent, if you dry them they should retract and get covered by lobes of epidermis.
Despite my identification please try to answer my questions because I feel that nobody ever described the vital features of this species, including myself.
Zotto
Marja Pennanen,
30-08-2010 13:23
Marja Pennanen,
30-08-2010 13:25
Re:Asci with 2 big spores
And one more.
I think I saw a spore with 1 septa inside the ascus, but I was far too tired last night to see anything clear...
I don't know the paper you mentioned, where can I find it?
So that I was hoping to go picking some edible mushrooms,,,
But the specimen can wait in fridge :)
Marja
I think I saw a spore with 1 septa inside the ascus, but I was far too tired last night to see anything clear...
I don't know the paper you mentioned, where can I find it?
So that I was hoping to go picking some edible mushrooms,,,
But the specimen can wait in fridge :)
Marja
Hans-Otto Baral,
30-08-2010 13:31
Re:Asci with 2 big spores
your joke I did not understand :-(
The asci are very nice, fully alive, and in the upper I can see septa (not in the lower because of the disturbing scale...)
In IKI these are turgescent still which means that the apical wall is compressed and the ring shape not visible. In Schmi the ring shape is visible, so what I manly wish to know here is the colour, blue or red or something between.
Zotto
The asci are very nice, fully alive, and in the upper I can see septa (not in the lower because of the disturbing scale...)
In IKI these are turgescent still which means that the apical wall is compressed and the ring shape not visible. In Schmi the ring shape is visible, so what I manly wish to know here is the colour, blue or red or something between.
Zotto
Marja Pennanen,
30-08-2010 13:48
Re:Asci with 2 big spores
Blue, blue, electric blue in my eyes.
Marja
Marja
Marja Pennanen,
30-08-2010 15:33
Marja Pennanen,
30-08-2010 15:36
Hans-Otto Baral,
30-08-2010 16:29
Re:Asci with 2 big spores
Its quite good, thanks. I know the problem with focussing. With my Coolpix I need to see the object unsharp through the microscope ocular in order to get sharp photos! This is the opposite of confocal. But among 5-10 photos is usually a sharp one :-) Recommended is to switch out the automatic focus.
For making sections you need perhaps a "third hand", a apparatus which holds the lens. Of course a dissection microscope would be much superior.
Zotto
For making sections you need perhaps a "third hand", a apparatus which holds the lens. Of course a dissection microscope would be much superior.
Zotto
Hans-Otto Baral,
30-08-2010 16:48
Marja Pennanen,
30-08-2010 20:08
Re:Asci with 2 big spores
Thanks :)
Even I can see, that at least my macro is actually much better than those on the Schmid pages ;)
Once again this seems to be a Petter Adolf Karsten-species.
Marja
Even I can see, that at least my macro is actually much better than those on the Schmid pages ;)
Once again this seems to be a Petter Adolf Karsten-species.
Marja
Hans-Otto Baral,
30-08-2010 21:11
Re:Asci with 2 big spores
Do you have a higher resolution for your macro? I like it very much but it is a bit small.
P.S Schmid simply failed to better rehydrate the specmien. Or he should have made one dry and one rehydrated.
Zotto@arcor.de
P.S Schmid simply failed to better rehydrate the specmien. Or he should have made one dry and one rehydrated.
Zotto@arcor.de
Marja Pennanen,
31-08-2010 08:04
Re:Asci with 2 big spores
Dear Zotto,
if there is something I can do for you, I'll do it, if I can ;)
I'll send you original photos later, now I got to run.
Marja
if there is something I can do for you, I'll do it, if I can ;)
I'll send you original photos later, now I got to run.
Marja