Falcate

Curved in the form of a sickle.

Fastigiate

Applied to the branches of a tree when they are erect and close, as in the Upright Cypress and Lom-bardy Poplar.

Fascicled

Several organs growing from one point, as leaves, flowers, or roots.

Feathery

Applied to the soft hairy pappus of many Composites, plumose.

Filament

The lower portion or stalk of a stamen, bearing the anther.

Filiform

Thread-like, slender.

Fimbriate

Fringed at the margin.

Fistidar

Applied to the hollow stems and leaves of plants.

Flavus

Pale yellow.

Florets

Applied to the separate flowers of Compositse and similar plants.

Fliutans

Floating.

Fluviatilis

Aquatic.

Folium

A leaf. Plural, Folia.

Free

Separate, not joined together or with any other organs.

Frond

Applied to the leaves of Ferns and Palms.

Fruit

The seed-vessel with its appendages.

Frutex (Frutescent)

A shrub; a woody plant destitute of a trunk, and branching from the base, or nearly so.

Fugacious

Falling very early, as the sepals of the Poppies and the petals of Cistus.

Fulvus

Dull yellow, buff.

Fuscus

Brownish.