GLOSSARY OF TECHNICAL TERMS 



897 



Torus. The receptacle of a flower. 



Transverse, Horizontal. 



Trichotomous. Three-forked. 



Trifoliate. Three-leaved. 



Trifoliolate. Descriptive of leaves, with 3 leaflets. 



Truncate. As if cut off at the end. 



Tubercle. A small tuber or excrescence. 



Tuberculate. Beset with knobby excrescences. 



Turbinate, Top-shaped. 



Turgid. Swollen. 



Umbel. An inflorescence with numerous pedicels 



springing from the same point like the rays of an 



umbrella. 



Umbilicus. The hilum of a seed. 

 Umbo, A boss or protuberance. 

 Umbonate* Bearing an umbo. 

 Uncinate. Hooked, bent, or curved at the tip in 



the form of a hook. 

 Unequally pinnate. Pinnate, with an odd terminal 



leaflet. 

 Unguiculate. Contracted at the base into a claw 



or stalk. 

 Unisexual. Said of flowers with either the stamens 



or pistil or abortive. 

 Urceolate. Hollow and contracted at or below the 



mouth like an urn or pitcher. 



Utricle. A small bladdery pericarp. 



Valvate. Said of a bud in which the parts meet 



without overlapping. 

 Valve. One of the pieces into which a capsule 



splits. 



Veinlet. One of the ultimate or smaller ramifica- 

 tions of a vein. 

 Veins. Ramifications or threads of fibro-vascular 



tissue in a leaf or other flat organ. 

 Ventral. Belonging to the anterior or inner face 



of a carpel. 

 Ventricose. Swelling unequally or inflated on one 



side. 



Vernation. The disposition of parts in a leaf- 

 bud. 



Verrucose. Covered with wart-like elevations. 

 Versatile. Said of an anther turning freely on its 



filament. 

 Verticillate. Arranged in a circle or whorl round 



an axis. 

 Villose. Hairy, with long and soft hairs. 



Whorl. An arrangement of branches or leaves in 



a circle round an axis. 

 Wood. The hard part of a stem mainly composed 



of wood-cells, wood fibre, or tissue. 



