Probably Xerompralina.
It is small, growing on wood, stem Brown,
spores are white or slightly yellow
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They were growing in a bunch on a bit of wood, probably Doug Fir
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The stems are slightly wider at the base
Cap is Convex,
Cap appears to have a central depression when older
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Spores appear to be White
But in some of the images shown below they appear somewhat yellow.
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The spores are oblong
3 to 4 microns wide
6 to 7 microns long
Also Click HERE to see on Mushroon Observer
Click on one of the following thumbnails to see a larger image