Part 13

Fibrillose, clothed with small fibers.

Fibrous, composed of fibers.

Filiform, thread-like.

Fimbriated, fringed.

Fissile, capable of being split.

Fistular, fistulose, tubular.

Flabelliform, fan-shaped.

Flavescent, yellowish, or turning yellow.

Flexuose, wavy.

Flocci, threads as of mold.

Floccose, downy.

Flocculose, covered with flocci.

Foveolate, pitted.

Free, in relation to the gills of mushrooms reaching the stem but not attached to it.

Fringe, a lacerated marginal membrane.

Fructification, reproducing power of a plant.

Fugacious, disappearing rapidly.

Furcate, forked.

Fuliginous, blackish or sooty.

Fulvous, tawny; a rather indefinite brownish yellow.

Furfuraceous, with branny scales or scurf.

Fuscous, brownish, but dingy; not pure.

Fusiform, spindle-shaped.

Genera, plural of genus.

Generic, pertaining to a genus.

Genus, a group of species having one or more characteristics in common; the union of several genera presenting the same features constitutes a tribe.

Gibbous, in the form of a swelling; of a pileus which is more convex or tumid on one side than the other.

Gills, vertical plates radiating from the stem on the under surface of the mushroom cap.