, having stamens or pistils only, 85.

_Univalved_, a pod of only one piece after dehiscence.

_Unsymmetrical Flowers_, 86.

_Urceolate_, urn-shaped.

_Utricle_, a small thin-walled, one-seeded fruit, as of Goosefoot, 121.

_Utricular_, like a small bladder.

_Vaginate_, sheathed, surrounded by a sheath (_vagina_).

_Valve_, one of the pieces (or doors) into which a dehiscent pod, or any
similar body, splits, 122, 123.

_Valvate_, _Valvular_, opening by valves. _Valvate_, in aestivation, 97.

_Variety_, 176.

_Vascular_, containing vessels, or consisting of vessels or ducts, 134.

_Vascular Cryptogams_, 156.

_Vaulted_, arched; same as _fornicate_.

_Vegetable Life_, &c., 128. _Vegetable anatomy_, 129.

_Veins_, the small ribs or branches of the framework of leaves, &c., 49,
50.

_Veined_, _Veiny_, furnished with evident veins. _Veinless_, destitute
of veins.

_Veinlets_, the smaller ramifications of veins, 50.

_Velate_, furnished with a veil.

_Velutinous_, velvety to the touch.

_Venation_, the veining of leaves, &c., 50.

_Venenate_, poisonous.

_Venose_, veiny; furnished with conspicuous veins.

_Ventral_, belonging to that side of a simple pistil, or other organ,
which looks towards the axis or centre of the flower; the opposite of
dorsal; as the

_Ventral Suture_, 106.

_Ventricose_, inflated or swelled out on one side.

_Venulose_, furnished with veinlets.

_Vermicular_, worm-like, shaped like worms.

_Vernal_, belonging to spring.

_Vernation_, the arrangement of the leaves in the bud, 71.

_Vernicose_, the surface appearing as if varnished.

_Verrucose_, warty; beset with little projections like warts.

_Versatile_, attached by one point, so that it may swing to and fro,
101.

_Vertex_, same as _apex_.

_Vertical_, upright, perpendicular to the horizon, lengthwise.

_Verticil_, a whorl, 68. _Verticillate_, whorled, 68.

_Verticillaster_, a false whorl, formed of a pair of opposite cymes.

_Vesicular_, bladdery.

_Vespertine_, appearing or expanding at evening.

_Vessels_, ducts, &c., 134.

_Vexillary_, _Vexillar_, relating to the

_Vexillum_, the standard of a papilionaceous flower, 92.

_Villose_, shaggy with long and soft hairs (_Villosity_).

_Vimineous_, producing slender twigs, such as those used for
wicker-work.

_Vine_, in the American use, any trailing or climbing stem; as a
Grape-vine.

_Virescent_, _Viridescent_, greenish; turning green.