Rhodotus palmatus

Scientific name:  Rhodotus palmatus (Bulliard:Fries) Maire
Derivation of name:  Palm- means "palm" (of a hand).
Synonyms:  Pleurotus subpalmatus
Common name(s):  Netted Rhodotus.
Phylum:   Basidiomycota
Order:   Agaricales
Family:   Tricholomataceae
Occurrence on wood substrate:  Saprobic; scattered or in
groups on dead deciduous wood; June through September.  
Dimensions: Caps 2.5-5 cm wide; stipes 2.5-5 cm long and
3-5 mm thick.    
Cap:  Surface reddish to pinkish at first, fading to orange-yellow;
netted with ridges.
Gills: Attached; pinkish.
Spore print: Pinkish.
Stipe: Reddish to pinkish; dry; eccentric to almost lateral.
Veil: Absent.
Edibility: Unknown.
Comments: Particularly common on maple (Acer) this
distinctive species is endemic to the Northeast. It is not common.
  
More information at MushroomExpert.com:   

   
Figure 1. The striking and distinctive netted cap obscures
the stipe beneath.. Photo © William Roody.

Figure 2. View showing the stipe of Rhodotus palmatus.
Photo © Greg Thorn.