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GLOSSARY. 



Tunicate. Having concentric coats, as an onion. 



Turbinate. Top-shaped. 



Twining. Ascending by winding about a sup- 

 port. 



Type. The ideal pattern or form. 



Typical. That which corresponds to or repre- 

 sents the type. A typical species is one upon 

 which the generic character was founded, or 

 one which conforms most closely to the gen- 

 eral characters of the genus, deviations from 

 which form the basis for subgenera, etc. So 

 the typical form of a species is that upon 

 which the specific character is based, as dis- 

 tinguished from all varieties, sports, etc. 



Umbel. An umbrella-shaped inflorescence, the 

 pedicels radiating from the summit of the 

 common peduncle. 



Umbellate. Bearing or growing in umbels. 



Umbellet. A small secondary umbel upon the 

 ray of the primary. 



Umbelliferous. Bearing umbels. 



Umbellulate. Bearing umbellets. 



Umbilicate. Pitted in the centre, navel-like. 



Umbonate. Bossed ; bearing a stout projection 

 in the centre, like the boss of a shield. 



Umbracidiform. Having the form of an um- 

 brella. 



Unarmed. Without prickles, spines, or the 

 like. 



Uncinate. Hooked at the extremity. 



Undulate. Wavy, alternately raised above and 

 depressed below the general plane. 



Undershrub. A very low shrub. 



Unequal. Not equal ; unsymmetrical ; un- 

 equally pinnate, with an odd terminal leaflet. 



Unguiculate. Of a petal, nan-owed below into 

 a claw or petiole-like base. 



Unilateral. One-sided. 



Unilocular. One-celled. 



Uniovulate. Having a single ovule. 



Uniserial. In one horizontal row or series. 



Unisexual. Of one sex ; of flowers having sta- 

 mens only or pistils only. 



Urceolate. Cylindrical or ovoid, but contracted 

 at or below the open orifice, like an urn or 

 pitcher. 



Utricle. A small bladdery usually one-seeded 

 pericarp, indehiscent or bursting irregularly 

 or circumscissile ; any small bladder-like 

 organ, or sometimes applied to forms of 

 tissue-cells. 



Utricular. Consisting of or belonging to utri- 

 cles. 



Vagina. A sheath. 



Vaginate. Sheathed. 



Vaginule. A diminutive sheath. 



Valleculce.. The grooves between the ribs of the 

 fruit in Umbellifera;. 



Valvate. Opening by valves, as a capsule ; 

 meeting by the edges, without overlapping, 

 as sepals, etc., in aestivation. 



Valve. The several parts of a dehiscent peri- 

 carp ; the door-like lid by which anthers some- 

 times open. 



Variegated. Irregularly colored. 



Variety. The principal subdivision of a species, 

 differing from the type in certain constant 

 characters of subordinate value. 



Vascular. Relating to or composed of elon- 

 gated tubular cells (vessels, ducts), as distin- 

 guished from cellular. 



Veined. Furnished with veins. 



Veinless. Destitute of evident veins. 



Veins. Bundles of woody tissue traversing a 

 leaf or other flat surface, and forming its 

 framework, especially those which branch 

 (as distinct from nerves). 



Veinlct. A small subdivision of a vein. 



Velutinous. Velvety ; covered with a dense 

 soft fine pubescence. 



Venation. The mode of veining. 



Ventral. Belonging to the anterior or inner 

 face of a carpel, etc. ; the opposite of Dorsal. 



Vcntricose. Swelling unequally or inflated on 

 one side. 



Vcnulosc. Abounding with veinlets. 



Vermicular. Worm-shaped. 



Vernal. Appearing in spring. 



Vernicosc. Appearing as if varnished. 



Verrucose. Covered with wart-like elevations. 



Versatile. Swinging ; turning freely on its 

 support. 



Vertex. The apex of an organ. 



Vertical. Upright ; perpendicular to the plane 

 of the horizon ; longitudinal. 



Vertical. A whorl. 



Verticillate. Arranged in whorls. 



Vesicle. A small bladder or air-cavity. 



Vesicular. Composed of vesicles. 



Vessels. Elongated tubular cells, of various 

 kinds, forming the vascular tissue of plants. 



Vexillum. The standard or large upper palet 

 of a papilionaceous corolla. 



Villose, Villous. Bearing long and soft straight 

 or straightish hairs. 



Vimineous. Bearing long and flexible twigs. 



Vine. A trailing, climbing or twining stem. 



Virgate. Like a wand or rod, slender, straight 

 and erect. 



Viscid,' Viscous. Glutinous, sticky. 



Vitiate. Bearing vittse. 



Vittce. The longitudinal oil-tubes in the peri- 

 carp of most Umbellifene. 



Viviparous. Propagating by buds or bulblets 

 instead of by seeds, or with the seeds germi- 

 nating while still on the plant. 



Wavy. See Undulate. 



Waxy. Resembling bees-wax in appearance or 



consistence. 



Wcdgc-sJiaped. See Cnneate. 

 Wheel-shaped. See Rotate. 

 Wlwrl. An arrangement of leaves, flowers, etc., 



in a circle about the stem or axis. 

 Wing. Any membranous or thin expansion or 



appendage ; the lateral petal of a papiliona- 

 ceous flower. 

 Wood. The hard firm part of a stem, etc., 



composed mainly of wood-cells (fibro-vascular 



tissue). 

 Woolly. Clothed with long and twisted or 



matted hairs. 



