Endostome, the orifice in the inner coat of an ovule.

Ennea-, nine. Enneagynous, with nine petals or styles. Enneandrous, nine-stamened.

Ensate, Ensiform, sword-shaped.

Entire, the margins not at all toothed, notched, or divided, but even, [55].

Entomophilous, said of flowers frequented and fertilized by insects, [113].

Ephemeral, lasting for a day or less, as the corolla of Purslane, &c.

Epi-, Greek for upon.

Epicalyx, such an involucel as that of Malvaceæ.

Epicarp, the outermost layer of a fruit, [120].

Epidermal, relating to the Epidermis, or skin of a plant, [50], [141], [143].