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Crocicreas aff panici
Miguel Ángel Ribes,
02-03-2011 00:38
Buenas noche de nuevoTengo esta otra especie sobre pequeños tallos herbáceos no identificados, también en praderas semialpinas en el Pirineo aragonés. Apotecios menores de 0,7 mm, estipitados, muy cerrados, de color blanquecino.
Ascas aparentemente sin croziers y ápice no azul con IKI, de (45.9) 49.1 - 60.2 (63.1) x (4.5) 4.6 - 5.8 (6.5) µm; Q = (7.8) 8.9 - 11.8 (13) ; N = 39; Me = 54.2 x 5.2 µm ; Qe = 10.5, en agua, a partir de material fresco y a 1000x.
Esporas cilíndrico-fusiformes, atenuadas en los extremos, con 1 septo en la madurez y con 4 pequeñas gútulas, 2 en cada extremos de cada célula, de (10.6) 11.1 - 14 (15.1) x (1.8) 2.1 - 2.8 (2.9) µm; Q = (4) 4.4 - 6.1 (6.9) ; N = 48; Me = 12.8 x 2.5 µm ; Qe = 5.2, en agua, a partir de material fresco y a 1000x.
Paráfisis cilíndricas y con numerosas gútulas. Excípulo ectal cubierto por cristales dispuestos en filas.
Muchas gracias,
___________________________
Good night again
I have this other species on small unidentified herbaceous stems, also in semialpine pastures in the Aragonese Pyrenees. Apothecia less than 0.7 mm, stipitate, very narrow, whitish.
Asci apparently without croziers and apex not blue in IKI, (45.9) 49.1 - 60.2 (63.1) x (4.5) 4.6 - 5.8 (6.5) microns, Q = (7.8) 8.9 - 11.8 (13), N = 39; Me = 54.2 x 5.2 microns, Qe = 10.5, in water, from fresh material and 1000x.
Spores cylindrical-fusiform, attenuated at the ends, with 1 septum at maturity and with 4 small guttules, 2 on each end of each cell, (10.6) 11.1 - 14 (15.1) x (1.8) 2.1 - 2.8 (2.9) um; Q = (4) 4.4 - 6.1 (6.9), N = 48, Me = 12.8 x 2.5 um; Qe = 5.2, in water, from fresh material and 1000x.
Paraphyses cylindrical, with numerous guttules. Ectal excipulum covered with crystals arranged in rows.
Thank you very much,
Miguel Á. Ribes
Miguel Ángel Ribes,
02-03-2011 00:43
Hans-Otto Baral,
06-03-2011 21:50
Re:Crocicreas aff panici
This seems to be what I have as C. dolosella (HB 5188). Only the asci are amyloid in my find. Do you have an idea, is the substrate a mono- or dicot? My specimen is from lowlands, in addition.
Could you provide us with a photo of the ascus apex in IKI? In large magnification?
Zotto
Could you provide us with a photo of the ascus apex in IKI? In large magnification?
Zotto
Miguel Ángel Ribes,
07-03-2011 01:44
Hans-Otto Baral,
07-03-2011 11:52
Re:Crocicreas aff panici
Thanks, but your photos are not in IKI? The first looks like a ring, but I am not sure.
So how sure is it that the asci are IKI-? I did not yet look in any key, ad I do not know C. panici.
Zotto
So how sure is it that the asci are IKI-? I did not yet look in any key, ad I do not know C. panici.
Zotto
Miguel Ángel Ribes,
07-03-2011 13:59
Re:Crocicreas aff panici
These photos are made in IKI, sure. I will look again dried material this afternoon at the mycology group.
I saw C. panici in Carpenter's Monograph of Crocicreas, 1981. It has only keys and draws, not species description: Ascospores septées -> Ascospores avec 1 septum -> Paraphysis hyalines -> Parois externe des cellules, celles les plus à l'extérieur de la marge et du réceptacle, remifiées et apparaissant cristulées.
Thank you,
Miguel Á. Ribes
I saw C. panici in Carpenter's Monograph of Crocicreas, 1981. It has only keys and draws, not species description: Ascospores septées -> Ascospores avec 1 septum -> Paraphysis hyalines -> Parois externe des cellules, celles les plus à l'extérieur de la marge et du réceptacle, remifiées et apparaissant cristulées.
Thank you,
Miguel Á. Ribes
Hans-Otto Baral,
07-03-2011 17:05
Re:Crocicreas aff panici
Oh yes, now I understand. Croc. panici seems to be a Mollisina, according to the characteristic narrow outgrowths of the excipular cells.
The IKI should be stronger to be sure about a reaction, and dead asci are better to clearly see the ring.
Zotto
The IKI should be stronger to be sure about a reaction, and dead asci are better to clearly see the ring.
Zotto
Miguel Ángel Ribes,
11-03-2011 00:01
Re:Crocicreas aff panici
Hi again
The hymenium has simply disappeared in dried material: nor spores, nor asci and nor paraphysis ¿:(? I only see ectal excipulum, so I can not check asci apex reaction to IKI. One more species to search again.
Thank you,
Miguel Á. Ribes
The hymenium has simply disappeared in dried material: nor spores, nor asci and nor paraphysis ¿:(? I only see ectal excipulum, so I can not check asci apex reaction to IKI. One more species to search again.
Thank you,
Miguel Á. Ribes













