Growing on old russula, powdery cap
Hyménophore brunissant au KOH.
Spores 4,6-5,3 x 2,6-3,2um.
Basides clavées à 4 stérigmates.
Hyphes génératrices bouclées.
Hyphes squelettiques enchevêtrées, non bouclées.
Very old large hardwood log (at least 20 years down). Fifth year for this mushroom.
On ground by side of pathway in mixed woods. Gray cap with darker umbo at first then pinkish disc, minutely hairy. Yellow orange gills. Short white compressed, longitudinally grooved stem. White milk, unchanging, non-staining and slowly hot.