Pale and stocky, with a campanulate cap (folded down).
Whitish, grey, pale tan, sometimes slightly pitted, often rimose-aerolate in age.
Adnate, depressed near the stipe.
Pores and Pore Surface
Pore surface whitish to pale tan, immutable; pores angular, less than 1 mm wide.
Nearly equal to enlarging toward the base.
Olive-buff, with tiny white scabers that darken in age.
On the flesh, the main reactions are blackish with phenol and orange with formalin.
For the cap and the stipe, black with the phenol and light brown on the stipe with the formalin.
On the tubes, brown with KOH and NaOH, black with FeSO4 and grayish with formalin.