Umbellate; in the form or manner of an umbel.
Umbpllet. A partial umbel ; one of the subdivisions of a compound umbel; which see.
Umbelliferous; bearing the flowers in umbels. Umbilicate. Navel like; having a central pit, or depres sion.
Unzbonate; protuberant, baying a boss or elevated point in the centre.
Unarmed; without thorns or prickles.
Uncinate. Hook-shaped; hooked at the end.
Undulate. Wavy; curved, or rising and depressed, like waves.
Unequal; the parts not corresponding in length, size, form or daration.
Unguiculate; having a slender or narrow base, like an unguiz, or claw.
Uniform, or uniformly. In one form, or manner; equally and alike.
Unilateral. On one side; growing, or inserted, all on one side of a stem, or common peduncle.
Unisexual. Of one sex; i. e. staminate or pistillate, only. Ureeo/ate. Pitcher-shaped, or urn-shaped ; swelling below, and contracted to a neck above.
Miele. A little sac, or thin membranaceous pericarp, which encloses, but does not adhere to, the need. (See Caryopsis.) Valvate aestivation. When the sepals or petals are folded together. and fit by their edges, without overlapping. Valves. The several parts of a regularly dehiscent pert carp, especially of a capsule; also, the scales which close the tube in some corollas; and the chaffy pieces which cover the flowers of the grasses.
Var (varietal) ; a variety or modification of a species. Variety. A new or unusual form, or modification of a plant, produced by accidental causes, such as crossing, soil, climate, culture, etc., but not permanently, or at least, not specifically, distinct.
Vascular plants. The higher orders of plants (including all above the mosses), composed more or less of woody fibres, and elongated cells or vessels, in the form of slender tubes.
Vaulted; arched over, like the roof of the month.
Veins. The elongated vessels of leaven ; often synonymous with nerves.
Veined; having the vessels variously branching over the surface.
Venation of a leaf. The distribution of the veins, or frame-work, in the lamina or blade.
Ventral; contained hi, or belonging to, the belly. n Vetral suture. The line or seam of a carpel, or folded leaf, formed by the union of its margins; the opposite of dorsal.
Ventrieose. Bellied; swelling out in the middle, or below it. Vernation. The mode in which young leaves are folded and packed in a bud.
Verrucose. Warty;covered with wart-like excrescences. Versatile anther. When it is fixed by the middle on the point of the filament, and moves round lightly and readily, as in the grasses, etc.
Vertical, or vertically; in a perpendicular direction; from the zenith, or highest point, directly downwards. Vertical leaves. When they stand edge up, or present their margins - and not their faces—to the earth and sky • indicative rather of phyllodia. than of true leaves. Verticil. A whorl ; flowers, leaves. or other organs, arranged in a horizontal ring, round a stem, or at its summit.
Verticilalster. A spurious verticil ; a condensed cyme. or cluster resembling a verticil, as in many Labiatce. Verticillate; growing or arranged in a verticil, or whorl. or horizontal ring.
Vesicles. Little bladder-like vessels.
Vesicular, or vesiculose; made of, or resembling little bladders.
Vespertine flowers. Those which expand in the evening. Vecillum. The banner, or broad upper petal of a papi lionaceous corolla.
Villose, or vittoiis. Velvety; clothed with numerous, and rather long, soft hairs.
Villus (plural, van). The velvet-like pubescence oa a villoun plant.
inclining to, or becoming green.
Virqate. Wand-like; long, slender, and straight. Viridescent; greenish.
Viscid. Clammy; covered with a sticky or adhesive moisture.
Viscid pubescent; with a clammy pubescence.
Vittce. Fillets; linear receptacles of oily matter on the carpels of nmbelliferons plants.
Viviparous; producing a collateral offspring by means of bulbs; or having the seeds to germinate before they are detached from the parent plant.
Volubile; ascending spirally, or climbing by embracing another object. (See Twining,) • Wavy. (See Undulate.) Whorl. (See Verticil.) Winged; having a thin, extended margin.
Wings. The side petals of a pepilionaceous corolla; also the membranonn expansion at the summit or margin of certain pericarps, and on the sides of some petioles. Wooly; clothed with a long curled or matted pubescence, resembling wool.