_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. _Virgate_, wand-shape; as a long, straight, and slender twig. _Viscous_, _Viscid_, having a glutinous surface. _Vitta_ (plural _vittæ_), the oil-tubes of the fruit of Umbelliferæ. _Vitelline_, yellow, of the hue of yolk of egg. _Viviparous_, sprouting or germinating while attached to the parent plant. _Voluble_, twining; as the stem of Hops and Beans, 39. _Volute_, rolled up in any way. _Wavy_, the surface or margin alternately convex and concave, 55. _Waxy_, resembling beeswax in texture or appearance. _Wedge-shaped_, broad above, tapering by straight lines to a narrow base, 53. _Wheel-shaped_, 89. _Whorl_, an arrangement of leaves, &c., in circles around the stem. _Whorled_, arranged in whorls, 68. _Wing_, any membranous expansion. _Wings_ of papilionaceous flowers, 92. _Winged_, furnished with a wing; as the fruit of Ash and Elm, fig. 300, 301. _Wood_, 133, 142. _Woody_, of the texture or consisting of wood. _Woody Fibre_, or _Wood-Cells_, 134. _Woolly_, clothed with long and entangled soft hairs. _Work in plants_, 149, 155. _Xanthos_, Greek for yellow, used in compounds; as _Xanthocarpus_, yellow-fruited. _Zygomorphous_, said of a flower which can be bisected only in one plane into similar halves. Transcriber's Notes.