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.