Emarginate (of the gills), notched near the stem. See [Sinuate], [p. 263].

Excentric (of the cap), laterally placed on the stem.

Expallent (of the cap), becoming paler when drying.

Expanded (of the cap), opened out when mature. See [Plate 10], [p. 61].

Fibrillose (of the cap and stem-surfaces), almost smooth but for distinct parallel longitudinal filaments (fibrils).

Fleshy (of the fruit-body), of a rather soft consistency: readily decaying.

Floccose, with loose, cottony surface; diminutive—flocculose.

Free (of the gills and tubes), not attached to the stem. See [p. 267].

Frondose trees, broad-leaved trees.

Fruit-body, the whole agaric (toadstool or mushroom, polypore, etc.), as usually understood.