Leptonia near atrosquamosa . 
Pileus expanded, 2.5 cm. umbo "broad, margin striate to umbo, 
fawn color to avellaneous; gills narrow, adnate close concolor; stipe 
cartilaginous, shining white, 7 cm. # 3 mm., pileus smooth. 
On dead wood. 
Specimens examined : 
Costa Rica, Limon, above Rio Siquirres, Alt ,140-240m. ,Catt , 
Thomas 5546 
Dodge & 
