Stem: Various in length, occasionally very short and attached to side of pileus; generally longer as in Plate, and "off centre"; white; substance solid.
Spores: White.
Taste: Suggesting fish when cooked.
Odor: Pleasant.
Habitat: Trunk of elm or from surfaces of broken or sawn branches. Often growing in dense masses covering several square feet.
PLATE XV
Agaricus Ulmarius.