Notes:
on mid-aged Acer rubrum trunk 1.5m off ground

oak-hickory forest on lower part of south-facing slope

thin smooth whitish crust with constricted large smooth warts with ~1-6 apothecia per wart, ostioles very pale and concave, cortex K- C- KC+o weak UV+o 350nm UV+y weak 375nm P-, medulla esp. of warts K+y strong no crystals C- KC~o? not fading at least UV- 350-375nm P+red-orange, epihymenium brown K-, spores 2(-3) per ascus ~200×50um with ~4um walls undulating on inner wall making subtle coarse radiating texture turning brown esp. in K in age

Images

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at 10x, stacked
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at 20x, stacked
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at 40x, stacked
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at 40x, stacked
20130919-3-31.jpg
at 10x, stacked

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