Mother cell. A cell from which another is derived.

Myce´lium. The vegetative part of fungi, commonly called the spawn.

Mycol´ogist. One who is versed in the study of fungi.

Obo´vate. Having the broad end turned toward the top.

Ob´solete. Nearly imperceptible.

Obtuse. Blunt.

Ochra´ceous. Light brownish-yellow.

Ovate. Egg-shaped.

Par´asite. A plant growing on another living body, from which it gains its nourishment.

Pel´licle. See cuticle.