Observation 195139: Callistosporium Singer

When: 2014-12-28

Collection location: Sintra, Portugal [Click for map]

Who: zaca

No specimen available


Dried specimen – KOH reaction on cap and gills.
Microscopy: Spores (x1000);
Microscopy: Basidia and golden cells in the gill trama (x1000);
Microscopy: Pileipellis.

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Add Comment
Microscopy added.
By: zaca
2015-01-19 15:18:43 CST (-0600)

The results of the microscopy are in accorsance with those given at “mushroom expert” for C. luteo-olivaceum, except that the spore didn’t turn red in KOH and in fact there was no change: in addition, the pilleipellis has at places some brown pigmentation and some fuzy golden cells are present in the gill trama (see the attached photos from microscopy).

By: zaca
2015-01-11 17:01:10 CST (-0600)

the chemical reaction should be made with the fresh specimen, but I didn’t …
I have looked to the description of Callistosporium luteo-olivaceum and, macroscopically, this could be it. However, I will try to get data from microscopy in the near future.
Thanks, Claude, for your comment.

Chemical reaction…
By: Claude Kaufholtz-Couture (Claude Kaufholtz-Couture)
2015-01-11 04:57:29 CST (-0600)

As regards the chemical reaction, I should have specified on a fresh specimen.
Did you look on the side of Callistosporium luteo-olivaceum?

RE: Chemcal reaction
By: zaca
2015-01-10 19:50:02 CST (-0600)

Hi Claude,
I uploaded a photo displaying the KOH reaction on cap and gills, on the dried specimen. The reaction on cap was strong and purple; The reaction on the gill was very weak red (note that the gills became purplish on drying).

Chemical reaction…
By: Claude Kaufholtz-Couture (Claude Kaufholtz-Couture)
2015-01-10 07:19:12 CST (-0600)

Do the hat and the blades become red in the KOH 10% ?

Created: 2014-12-29 18:46:04 CST (-0600)
Last modified: 2015-01-19 15:11:58 CST (-0600)
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