The cap margin is curved downward, even or slightly eroded.

The cap margin is curved inward, and often remains that way into maturity.

The tubes are shorter around the cap margin and close to the stem, where they form a circular depression.

The cap margin is initially curved inward before straightening out in age.

The cap margin is rolled or curved inward and remains that way until maturity.

The cap margin is initially curved inward, and sometimes splits in maturity.

The cap margin is close to the stipe and sometimes adheres to it.

The cap margin is not adorned with remnants of the partial veil.

The cap margin sometimes splits and rolls back to give a ragged appearance.

In age the cap margin sometimes becomes elevated and the center of the cap depressed.