552 



GLOSSARY. 



Tunicate. Having roncontric coats, as an onion. 



Turbinate. Top-shaped. 



Tioining. Ascciuling by winding about a sup- 

 port. 



Type. The ideal pattern or fomi. 



Typical. That wliich corresponds to or repre- 

 sents the type. A typical speuics is one upon 

 which the generic character was loimded, or 

 one which conforms most closely to the gen- 

 eral characters of the genus, deviations from 

 which form tlie basis for subgenera, etc. So 

 the typical form of a species is that upon 

 which the specitic chamcter 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. Hearing or growing in umbels. 



Umbellet. A small secondary umbel upon the 

 ray of the primai'y. 



Umbelliferous. Hearing umbels. 



Umbellulate. Bearing umbellets. 



Umbilicate. Pitted in the centre, navel-like. 



Umboimte. Bossed ; bearing a stout projection 

 in the centre, like the boss of a shield. 



Umbraculifona. 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. 



Undcrshrub. A very low shrub. 



Unequal. Not equal ; nnsymmetrical ; un- 

 equally jnnnatc, with an odd terminal leatlet. 



UiujuicuJate. Of a petal, narrowed below into 

 a claw or petiole-like base. 



Unilateral. One-sidid. 



Unilocular. One-celled. 



Uniovulale. Having a single ovule. 



Uniserial. In one horizontal row or series. 



Unisexual. Of one sex ; of llowers 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. 



Vnyinate. Sheathed. 



Vayinule. A diminutive .sheath. 



Vallecula. The grooves between the ribs of the 

 fruit in Umbeiliferie. 



Valva/e. Opening by valves, as a capsule ; 

 meeting by the edges, without overlapping, 

 as sepals, etc., in iestivation. 



Valve. The several parts of a dehiscent peri- 

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

 times open. 



Variegated. Iiregiilarly colored. 



Variclij. The jirincipal subdivision of a species, 

 dillering from the type in certain constant 

 characters of subordinate value. 



Vascular. l{eluting 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. 



Velulinous. Velvety ; covered with a dense 

 soft tine pubescence. 



Venation. The mode of veining. 



Ventral. Belonging to the anterior or inner 

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



Vcntrieo.te. Swelling unequally or inflated on 

 one side. 



Venulosc. .\bounding with veinlets. 



Vermicular. W^orm-shaped. 



Vernal. Ajipearing in spring. 



Vernicosc. Appearing as if varnished. 



Verrueose. 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. 



Vcrillum. The standard or large upper palet 

 of a pajiilionaceous corolla. 



Villosc, Villous. Bearing long and soft straight 

 or straightish hairs. 



Vimincous. Bearing long and flexible twigs. 



J7)ie. A trailing, climbing or twining stem. 



Virijate. Like a wand or rod, slender, straight 

 and erect. 



Viscid, Viscous. Glutinous, sticky. 



Vitiate. Bearing vittie. 



Villa:. The longitudinal oil-tubes in the peri- 

 carp of most IJmbclliferie. 



Viviparous. Piopngating by buds or bulblets 

 ini^tead of by seeds, or with the seeds germi- 

 nating while still on the plant. 



IVavy. See Undulate. 



]l'aj-y. Hesembling bees-wax in apitearance or 



consistence. 

 IVcdge-shaijed. See Cuncate. 

 Iflicel-shapetl. See Rotate. 

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



in a circle about the stem or axis. 

 IVinq. Any nienibranons 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). 

 IfVoolly. Clothed with long and twisted or 



matted hairs. 



