Putres´cent. Decaying.

Rad´icating. Taking root.

Retic´ulated. Marked with cross lines like a net.

Rev´olute. Rolled upward or backward.

Ri´mose. Cracked.

Rim´ulose. Covered with small cracks.

Ring. Annulus.

Riv´ulose. Marked with lines like rivers in maps.

Rotund´. Round.

Ru´gose. Wrinkled.