XXX1V 
Ternate, leaves, growing three to- 
gether from the same point 
Tesselate, chequered 
Thallus, the part which bears the 
fructification in lichens 
Theca, the seed-vessel in crypto- 
gamic plants 
Tiled, one leaf or scale partly cover- 
ing another 
Tomentose, cotton 
Trifid, three-cleft 
Trivalved, three-valved 
Truncate, lopped 
Tunicate, coated 
Turbinate, top-shaped 
U 
Umbel, a composition of flowers, in 
which a number of slender fruit- 
stalks Ase from the same 
centre, like the spokes of an um- 
brella 
Uncinate, hooked at the end 
Undate, waved 
Undulate, waved 
Unequal florets, when those in the 
circumference of an umbel are 
larger than those in the centre. 
Ungulate, hoof-shaped 
GLOSSARY OF BOTANICAL TERMS: 
Univalve, one-valved 
Urceolate, pitcher-shaped 
Vv 
Vaginate, sheathed 
Valves, the several pieces which 
compose a capsule, also the leaflets 
composing the calyx and corolla, 
in grasses 
Veil, the calyx in mosses 
Ventricose, distended 
Verrucose, warty 
Verticillate, growing in whorls 
Vesicles, bladders 
Villous, soft-haired 
Volva, wrapper 
Ww 
Whorls, leaves or flowers surround- 
ing the stem in a ring 
Wings, the lateral petals of a butter- 
fly-shaped blossom 
Winged leaf, formed of many little 
leaves growing from each ‘side of 
the aie 
Wing-cleft, a leaf cut deeply down 
the middle 
Woolly, clothed with a pubescence 
resembling wool 
