4G8 APPENDIX. 



Tortuous, twisting irregularly ; as the stem of Ivy. 



Torus, synonymous with Thalamus. 



Transverse, across in a horizontal direction. 



Trapeziform, trapezium-shaped ; having four edges, those which are op- 

 posite, not parallel. 



Triandrous, having three stamens. 



Triangular, having three acute angles with concave faces. 



Trichotomous, branching in three directions. 



Tricuspidate, having three points ; as the outer florets of Elecampane. 



Tridentate, having three teeth. 



Trifoliate, having three leaflets. 



Trifid, divided into three, but not quite to the base. 



Trigonal, having three angles and three sides ; as the capsule of Lily. 



Trilocular, having three cells. 



Tripartite, three-parted ; as the leaf of Ground Pine. 



Tripinnate, thrice pinnate ; that is, the common petiole having several 

 bipinnate leaflets. 



Triquetrous, the same as triangular. 



Triternate, thrice ternate ; as the leaves of Alexanders. 



Truncate, obtuse, blunt as if cut off ; as the root of Daisy, the florets of 

 Dandelion, &c. 



Tube, the inferior cylindrical part of a monopetalous corolla. 



Tuber, a fleshy subterranean bud, provided at the sides with latent buds, 

 from which new plants are produced the succeeding year ; as in Or- 

 chis. 



Tuberculate, having knots or tubercles. 



, . „ ' [ bearing tubers ; as the root of Dropwort. 

 Tuberiferous, J 



Tubular, forming a tube ; as the calyx of Cowslip, Ground Ivy ; the corolla 

 of Honeysuckle ; the florets of many Syngenesious plants. 



Tunic, a coat ; the covering of a seed or bulb. 



Tunicated, having a tunic or coat. 



Turbinate, top-shaped ; inversely conical, with a contraction towards the 

 point. 



Two-edged, having two rather sharp edges ; as the stem of an Iris. 



U. 



Umbel, that kind of inflorescence in which the peduncles or stalks are 



equal and spring from the same point ; the stalks are called radii, and 



if these are again divided the umbel is denominated compound. 



Umbellate, ) . . a . . , 



, . J I having flowers in umbels. 

 Umbelliferous, > 



Umbellules, small, secondary, or partial umbels. 

 Umbilical, of or belonging to the umbilicus. 



Umbilicate, having an umbilicus or little boss. Sometimes used as synony- 

 mous with peltate. 



