Acute´. Gills when called acute have sharp edges or are pointed at either end.

Adnate´. Spoken of gills when they are firmly attached to the stem.

Adnex´. A less degree of attachment of gills than adnate.

A´garic. A mushroom that bears gills.

Aluta´ceous. A light leather color.

Anas´tomosing. Interlacing of veins, spoken of gills that are united by cross veins or partitions.

An´nulus. The ring on the stem of a mushroom, formed by the separation of the veil from the margin of the cap.

A´pex. The top. The end of the stem nearest to the gills.

Ap´ical. Relating to the apex.