Urceolate. Hollow and cylindrical or ovoid, and contracted at or below the mouth, like an urn.

Utricle. A small bladdery 1-seeded fruit; any small bladder-like body.

Valvate. Opening by valves, as a capsule; in æstivation, meeting by the edges without overlapping.

Valve. One of the pieces into which a capsule splits.

Vascular. Furnished with vessels or ducts.

Veins. Threads of fibro-vascular tissue in a leaf or other organ, especially those which branch (as distinguished from nerves).

Ventral. Belonging to the anterior or inner face of an organ; the opposite of dorsal.

Ventricose. Swelling unequally, or inflated on one side.

Vernation. The arrangement of leaves in the bud.

Verrucose. Covered with wart-like elevations.