_Divaricate._ Widely divergent.

_Divergent._ Inclined away from each other.

_Divided._ Lobed to the base.

_Dorsal._ Upon or relating to the back or outer surface of an organ.

_Drupaceous._ Resembling or of the nature of a drupe.

_Drupe._ A fleshy or pulpy fruit with the inner portion of the pericarp (1-celled and 1-seeded, or sometimes several-celled) hard or stony.

_Drupelet._ A diminutive drupe.

_E-_ or _Ex-_. A Latin prefix having often a privative signification, as _ebracteate_, without bracts.

_Echinate._ Beset with p.r.i.c.kles.

_Effuse._ Very loosely spreading.

_Elater._ A usually spirally marked thread found in the capsules of most Hepaticae.

_Ellipsoidal._ Nearly elliptical; of solids, elliptical in outline.

_Elliptical._ In the form of an ellipse, oval.

_Emarginate._ Having a shallow notch at the extremity.

_Embryo._ The rudimentary plantlet within the seed.

_Endocarp._ The inner layer of a pericarp.

_Endogenous._ Growing throughout the substance of the stem, instead of by superficial layers.

_Entire._ Without toothing or division.

_Ephemeral._ Lasting only for one day.

_Epidermis._ The cuticle or thin membrane covering the outer surface.

_Epigynous._ Growing on the summit of the ovary, or apparently so.

_Epiphyte._ A plant growing attached to another plant, but not parasitic; an air-plant.

_Eporose._ Without pores.

_Equitant._ Astride, used of conduplicate leaves which enfold each other in two ranks, as in Iris.

_Erect._ Vertical; upright as respects the plane of the base.

_Erose._ As if gnawed.

_Exalb.u.minous._ Without alb.u.men.

_Excurrent._ Running out, as a nerve of a leaf projecting beyond the margin.

_Exfoliating._ Cleaving off in thin layers.

_Exogenous._ Growing by annular layers near the surface; belonging to the Exogens.

_Exserted._ Projecting beyond an envelope, as stamens from a corolla.

_Extrorse._ Facing outward.

_Falcate._ Scythe-shaped, curved and flat, tapering gradually.

_Farinaceous._ Containing starch, starch-like.

_Farinose._ Covered with a meal-like powder.

_Fascicle._ A close bundle or cl.u.s.ter.

_Fastigiate_ (branches). Erect and near together.

_Ferruginous._ Rust-color.

_Fertile._ Capable of producing fruit, or productive, as a flower having a pistil, or an anther with pollen.

_Fibrillose._ Furnished or abounding with fine fibres.

_Fibrous._ Composed of or resembling fibres. _Fibrous tissue_, a tissue formed of elongated thick-walled cells.

_Fibro-vascular._ Composed of woody fibres and ducts.

_Filament._ The part of a stamen which supports the anther; any thread-like body.

_Filamentous._ Composed of threads.

_Filiferous._ Thread-bearing.

_Filiform._ Thread-shaped; long, slender, and terete.

_Fimbriate._ Fringed.

_Fimbrillate._ Having a minute fringe.

_Fingered._ Digitate.