XXVili GLOSSARY. 
TuBERCULATUS, tubercled, covered with little excrescences or warts. 
TUBERCULUM, a very small tuber. 
TuBuLar (tubulosus), a hollow cylindrical figure. 
Tunic, the outer covering of a bulb. 
TuRBINATE (turbinatus), top-shaped, inversely conical, with a contraction 
towards the point. 
Turan (turgidus), slightly swelling. 
TURNED BACKWARDS (retrorsus), turned in a direction opposite to that of 
the apex of the body to which the part turned appertains. 
TURNED INWARDs (introrsus), turned towards the axis to which it 
appertains. 
U. 
UMBEL, a form of inflorescence, in which all the pedicels proceed from a 
single point, and are of an equal length. If each pedicel bears 
a single flower it is then called a simple umbel; but if each 
pedicel bears another small umbel at the top it is called the 
universal or general umbel, and each of the secondary umbels 
or umbellules is called a partial umbel. 
UMBILICAL corD, the slender prolongation of the placenta, by which the 
ovule is attached to the ovary. 
UmBILicatus, the same as peltate, that is a leaf, &c., fixed to the stalk by 
the centre, or by some point within the margin. 
UmBILicatus, the same as hilum. 
UNARMED (inermis), without any kind of spine or prickles. 
UNDERSHRUB (suffrutex.) 
Unputatvus, having the margin alternately concave and convex. 
UneEQuat (inequalis), a figure with unequal sides. 
UNEQUALLY PINNATED (imparipinnatum), when one of the leaflets of a 
compound leaf terminates the petiole. 
UnqQvuicutarE, a petal, contracted at the base into a claw. 
Unauis, the claw of a petal. 
Unisueus, paired, when the petiole of a pinnated leaf bears one pair of 
leaflets. 
UNILATERALIS (secundus), one sided, arranged or turned to one side. 
UNINTERRUPTED, continuous, equal. 
Urcrotatves, pitcher-shaped. 
URExs, stinging, furnished with sharp stinging hairs, which emit a fluid 
when pressed upon. 
Urricuus, a simple fruit, being one celled, one or few seeded, superior, 
membranous, often dehiscing by a transverse incision. 
Vee 
Vacinatus, sheathing, a conyolute base, surrounding the stem, &c., as the 
petioles of the leaves of grasses. 
Vacus, uncertain, without any particular direction, 
