Unisexual 



I 475 ) 



Zygomorphic 



Unisexual, bearing male or female 

 organs only. 



Urceolate, shaped like an urn or a 

 pitcher. 



ffrens, stinging. 



IJtilis, useful, serviceable. 



Iftilissimus, most useful. 



Utricle, a thin walled bottle 

 shaped cell, a membranous 

 bladder. 



Utrimlate or fftriculoie, bladder- 

 like, consisting of bladders. 



Vacillans, wavering. 



Vacuole, a space in the protoplasm 

 of a plant which contains the 

 sap of the cells. 



Vacuous, empty; generally applied 

 to parts which are normally 

 filled, but whose contents 

 have disappeared. 



Vagiform, of uncertain shape. 



Vagina,, the sheathing expansion 

 of the base of a leaf. 



Vaginans, sheathing. 



Vaginatus, sheathed. 



Validiii, powerful. 



Valvate, united by the margins to 

 form valves or doors. 



Valves, the divisions of a capsule. 



Variabilis, variable. 



Varians, changing. 



Varicosus, swollen intermittently. 



Varieyatum, variegated. 



Vartrty,a, plant which differs from 

 others of the same species, but 

 not sufficiently so to have 

 specific rank accorded it. A 

 variety often does not come- 

 true from seed ; a species in- 

 variably does so. A variety is 

 therefore less "fixed" than a 

 species. 



Variolate, marked with small de- 

 pressions. 



Vas, a vessel. 



Vascular, consisting of tissue in 

 the shape of vessels or 

 channels. 



Vascultim, the botanist's collect- 

 ing tin. 



Vei/etus, vigorous. 



Veins, the bundles of vessels, 

 fibre - vascular, which form 

 the ribs of leaves. 



Velutiniu, with a velvety appear- 

 ance, covered with very fine 

 soft hairs. 



Venation, the arrangement of the 

 veins in leaves. 



Venose, veined. 



Ventral, belonging to the inner 

 surface of a carpel, used in 

 contradistinction to dorsal. 



Ventricose, inflated, swelling un- 

 equally on one side. 



Vantstus, charming, lovely. 



Vermicular, worm-like, either in 

 shape or movements. 



Vernal or Vernits, pertaining to 

 the spring. 



Vernation, the arrangement of 

 leaves in the bud. 



Vernieose, appearing as if var- 

 nished, as the flowers of many 

 Cypripediums. 



Verniciw, covered with wart-like 

 excrescences. 



Versatile, fixed in such a manner 

 as t ii readily turn about ; swing- 

 ing to and fro. 



Vcrsi color, of various colours. 



I 'rr/fliriitt; contracted at intervals 

 with a joint at each contrac- 

 tion ; like the backbone of an 

 animal. 



Vertex, the uppermost point or 

 apex of an organ. 



Vertical, upright. 



Vcrtici'l, a whorl ; parts arranged 

 opposite each other at the 

 same level. 



Vertieillaster, a false whorl, com- 

 posed of two opposite inflor- 

 escences, as in the Dead 

 Nettle. 



Verticillate, arranged in a whorl ; 

 with the parts disposed in a 

 circle around a common axis. 



Vertilineat , in a straight line. 



I 'eriis, true. 



Vesicle, a small, hollow excres- 

 cence resembling a bladder. 



Vesicular or Vesteitloie, inflated, 

 appearing as if formed of 

 bladders. 



Vttftrti/MU, relating to the even- 

 ing; expanding in the evening. 



Vessels, tubes formed by the 

 amalgamation of a vertical 

 row of cells, and having their 

 ends closed. 



Vi'atitui, clothed. 



Vexillarins, bearing standards. 



Vexillary, having when in bud 

 one larger part overlapping 

 and enveloping the others, as 

 in the blossoms of the Sweet 

 Pea. 



Vexillum, the standard or large 

 upper petal in Pea shaped 

 blossoms. 



\"tlli, soft hairs. 



Villims or Villotus, covered with 

 long loose hair; having a woolly 

 appearance. 



Vimineoiis, having long slender 

 and flexible twigs or shoots, 

 as the Osier. 



Vine, a trailing or climbing stem. 



Violaceous, violet coloured. 



Virens, green. 



Virescent, becoming green. 



Virgate, twiggy, long and straight 

 like a wand. 



Virginalis or Virg-nevi, virgin, 

 maiden. 



Virii/'wuit, greenish, becoming 

 green. 



Viridis, green. 



Viscid or Viscous, clammy, adhe- 

 sive, sticky. 



Vitellinus, yellow, like the yolk 

 of an egg. 



Vitellirus, persistent. 



Viticulose, bearing Vine-like twigs 

 or suckers. 



Vittatus, with long ribbon-like 

 stripes. 



Viviparous, producing young 

 plants or leaf buds in place 

 of seeds ; plants which pro- 

 duce bulbils in the axils of 

 the leaves. Aspleniuin vivi- 

 parium is an example of the 

 first, Lilium tigrinum of the 

 second. 



Volubilii, twining. 



Volra, a curtain or wrapper cover- 

 ing the fructification in some 

 Fungi while young. 



Vulffaris, common, ordinary. 



Viilpinus, relating to the fox. 



Vutciform, shaped like a cleft, 

 with protruding margins. 



W 



Wattled, with processes like the 

 wattles of a cock. 



Whorlea, arranged in a circle. 



Whorls, leaves, flowers, or 

 branches arranged in circles 

 around a common stem. 

 Examples are the leaves of the 

 Martagon Lily, the flowers of 

 Primula verticillata, and the 

 branches of the Kir. 



Wing-cleft, almost divided to the 

 midrib on either side, as the 

 leaves of the Shirley 1'oppy. 



Wings, the lateral petals of a Pea 

 shaped flower, the flat mem- 

 branous appendages of some 

 seeds ; e.g. the Elm. 



Xanthophyll, the yellow colour- 

 ing matter of plants. 



Xant/ios, yellow. 



Xerophilous, requiring a hot and 

 dry atmosphere. 



Xylem, woody tiss-ue of plants. 



Xylo-, woody ; xylocarpum, woody 

 fruited. 



Tuccrffolia, with leaves like a 

 Yucca. 



Zantfio-, yellow ; zanthoriza, with 



yellow roots. 

 Zonalis or Zonatus, marked with 



zones or bands. 

 /ones, stripes, belts, bands. 

 ZoapMIows, fertilised by insects, 



insect loving. 

 Zooi-pore, a moving spore furnished 



with fine hairs. 

 Xyyo-, united ; zygophyllum, with 



united leaves. 

 Zygomarphic, divisible into two 



similar halves in only one 



direction. 



