When: 2007-09-24

Collection location: Menlo Park, San Mateo Co., California, USA [Click for map]

Who: Douglas Smith (douglas)

No specimen available

Sort of ID’ed with the help of Dr. Brian Perry of SFSU. These have the odor of bleach, although slight given that were kinda dry. The problem here is that for the SFSU they know too many Mycena species to try and say which one they are. But M. leptocephala seems close enough for me, I’m not as picky.

And in this class I start to play with photography and the scope. As a first try here these aren’t that bad. I need to find a way to make the shots cleaner still.

Anyway, this was a shot to show the microscopic details for the species. This was mounted in iodine, with Meltzer’s reagent, at 1000x under oil immersion. You can see the blue-grey of the spores, that show the amyloid reaction, the yellow of the basidia all nice and lined up, and the reddish tones of the dextrinoid reactions in the gill trama, the tissues that support the basidia.

Hopefully I can get the shot cleaner and clearer in the future here, we will see…

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