GLOSSARY. 
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Truncate. Terminating suddenly, as if bitten off. 
Tuberculate. Covered with uneven knobs or protuberances. 
Tuber. A fleshy, roundish, or oval root, like the potato. 
Tuberous. Having or partaking of the character of tubers. 
Tumid. Swelling. 
Turbinate. Rounded at one end, and tapering towards the 
other, in the shape of a top. 
Turgid. Irregularly and largely swollen. 
Umbel. A kind of inflorescence, in which the individual flower- 
stems spring from a common centre, and form a round, flat 
head. An umbel differs from a corymb, inasmuch as the 
footstalks of the flowers in the latter proceed from a rachis, 
and not from one point. 
Umbilicus. The chord which attaches a seed to its covering. 
Uncinate. Curved backwards ; hooked. 
Unctuous. Oily. 
Unguis. A tongue or claw; the taper base of an organ, as the 
petals of the carnation. 
Unilateral. Proceeding from one side. 
Urceolate. Pitcher-shaped. 
Utricle. A little bladder. 
Valve. In botany is the membrane which separates one seed 
from another in a many-celled pericarp. 
Varicose. Swollen in continuous places. 
Vascular. Tissue of an enlarged, succulent nature is so called. 
Ventricose. Inflated or puffed out in places. 
Vernal. Belonging to the spring. 
Vertex. The extreme point. 
Vesicles. Little hollow excrescences or bladders. 
Vexillum. Synonymous with standard. 
Villous. Clothed with long, shaggy hair. 
Vires cent. Bright, shining green. 
Virgate. Twiggy. 
Viscid. Clammy; sticking. 
Viviparous. Bearing young plants in the place of seeds. 
Whorls. Leaves are said to be placed in whorls when their 
bases form a complete circle round the stem. 
Wing. A thin, membranous margin, with which certain seeds 
are furnished. 
Zones. Stripes or belts. 
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