BOTANICAL TERMS. 



37 



Varieties, plants of the same species, but which differ slight- 

 ly from each other. 



Vernatio, a term used by Linneus, to express the curious 

 manner in which the leaves are folded or wrapped up in 

 their buds. 



Verrucofe. warty. 



Versatile, vane-like. 



Verticillated, growing in whorls. 



Verticilli, whorls. 



Verticillus, a little whorl, hinge, axis, axle-tree, or spindle. 



Vesicules, bladders. 



Vexillum, a standard ; the upper petal of a pea-bloom, or 

 butterfly-shaped flower, which is generally larger than 

 any of the others. 



Vigilue, (plantarum) the vigils of plants ; under this term 

 botanists signify the precise time of the day in which the 

 flowers of different plants open, expand, and shut. 



VMi, soft hairs. 



Villoes, covered with soft hairs, like the Furze-leaf. 



Vimen, a slender and flexible twig. 



Virgated, rod-shaped. 



Viscid, (viscidus) clammy. 



Viscosity, clamminess. 



Viviparous, (viviparus) a term applied to stems or stalks 

 producing bulbs that are capable of vegetation. 



Volubile, twining. 



Volva, a curtain or screen. 



Unguis. See Claw. 



Umbel, a composition of flowers, in which a number of 

 slender fruit-stalks grow from the same centre. 



Umbelliferous, plants which produce their flowers in umbels. 



Umbellule, a little umbel. 



Umbilicated, resembling a navel ; dimpled. 



Umbo. See Disk, 



Unangulated, one-edged. 



Unarmed, (inermis) without weapons of defence. 



Uncinnated, hooked at the end. 



Undated, waved. 



Undcr-shrub, (suffrutex) like a shrub in its woody texture 

 at the bottom, but the top-shoots herbaceous, tender, and 

 dying in the winter ; lavender is an instance. 



Undivided, simple. 



Unequal florets, (radiati) when an umbel is not composed of 

 equal florets, but those in the circumference are larger 

 than those in the centre, and the outer petals are larger, 

 and different in shape from the inner petals. 



Ungulated, hoof-shaped 



Unicus, single ; only one. 



Uniftorous, one-flowered. 



Uniform, (equalis) a term applied to compound flowers, 

 when the florets which compose them are all alike. 



Unilateral, growing from one side only. 



Unilocular, one-celled. 



Univalve, one-valved. 



Universal, general. 



United leaves, (connatus) two opposite leaves growing to- 

 gether at the base. 



Upright, (erectus) standing upright or nearly so, as the 

 cups of the periwinkle, the antherse of the polyanthus, 

 the stalks of tulips, and the stems of asparagus. 



Urceolated, pitcher-shaped. 



Urens, stinging. 



Utriculus, a little bag or hollow vesicle. 



W 



Warty, (verrucosus) having little hard lumps or warts upon 



the surface. 

 Waved, (undatus) when the surface of the leaf towards the 



edge does not lie flat, but appears waved and full, like a 



raflSe. 



Weapons. See Arma, Prickles, Thorns, and Stings. 

 Wedge-shaped, (cuneiformis) as the leaves of the garden 



Spurge, and the garden Purslain. 

 Wheel-shaped, (rotatus) a term used to express a blossom of 



one petal, with a flat border and a very short tube. 

 Whirls, (verticilli) of branches, leaves, or flowers ; the 



branches of fir, the leaves of Ladies Bedstraw, and the 



flowers of the Deadnettle, grow in whirls round their 



respective stems, and somewhat resemble the spokes 



round the nave of a wheel. 

 Winged leaf-stalk, (alatus,) flatfish, with a thin membrane or 



leafy border on each side : Leaf, when an undivided 



leaf-stalk has many little leaves growing from each side : 



Stem or leaf-stalk, such as have a thin flat membrane 



on each side. 

 Wing-cleft, (pinnatifidus) is applied to a leaf that is cut and 



divided so deeply on each side down towards the middle 



rib, as almost to resemble a winged leaf. 

 Winged-shoots, (surculipinnati) when the roots strike out 



from the sides, like the plumage along the sides of a 



quill. 

 Wings. See Ala ; the lateral petals of a butterfly-shaped 



blossom, as in the Pea. 

 Wires, (flagelli.) See Runners. 

 Woody, (arboreus) opposed to herbaceous. 

 Wool. See Lana. 

 Woolly, (lanatus.) 

 Wrapper, volva ; but not the volva of Linneus ; a tough 



membrane, which envelopes the whole plant of some of 



the Fungusses in its younger state. 



Wrinkled, (rugosus) as the leaves of Sage, Primrose, Wood- 

 Strawberry, Hazel, &c. 



Zigzag, (flexuosus) having many contrary turnings and 

 bendings, as the stems of the rough bindweed, woody 

 night-shade, or the branches of golden rod. 



VOL. I. 4. 



