Notes: This is the same mystery bolete that was found in a different area of FPP last July (Obs. 102459). This time, it was mature enough to drop spores.
The spore print looks grayish-green rather than brown under natural light.
The spores are smooth but appear (1000x, mounted in 5% KOH) like the are “stuffed with broken glass”. I don’t know if it’s an optical illusion for I don’t have any filters installed.
Obtaining an ITS sequence met with failure due to the presence of multiple hybridized regions.
Comments from Linas Kudzma:
“I Spores are typically bolete-like and non-staining in Melzer’s. The hymenium crush mount has the usual basidia, etc, but also reveals long cells whose contents stain orange in Melzer’s, but are hyaline in a 20% Glycerol mount. Very interestingly, in 20% glycerol there are groups of distinctly reddish cells in among the normal hyaline basidia and other cells. This must be the red speckling of the pore surface. I did not even notice these red cells in the Melzer’s mount because they must not have stood out as much.”
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Created: 2013-08-20 15:42:43 PDT (-0700)
Last modified: 2015-02-19 17:30:31 PST (-0800)
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