64 



BOTANICAL TERMINOLOGY. 



Symmetrical. When parts are in 



their normal proportions. 

 Syncarpous. Several carpels uniting 



in one ovary. 

 Syngenesious. Anthers united in a 



tube. 



Tail. A filiform process affixed to 



a seed. 

 Tap root. A conical root. 

 Tegmen. The inner covering of a 



seed. 

 Tendril. An appendage by which a 



climbing plant supports itself. 

 Terete. Columnar and tapering. 

 Terminal. Proceeding from, or 



borne on the summit. 

 Ternate. In threes ; threefold. 

 Testa. The outer coat of a seed. 

 Tetradynamous. Having six stamens, 



four of which are longer than the 



others. 

 Tetragynous. Having four styles. 

 Tetramerous. A whorl of four parts. 

 Tetrandria. Having four stamens. 

 Thallogens. Stemless, leafless, flow- 



erless plants. 

 Thallus. The frond in Hepaticae. 

 Theca. The capsules or spore-cases 



in Acrogens. 

 Thorn. A spine or short process 



from the woody part of a plant. 

 Throat. The orifice of a calyx tube. 

 Thyrsus. A condensed panicle. 

 Tomentose. Covered with fine dense 



coat of wool or down. 

 Toothed. Having salient points not 



directed to the apex of the leaf, &c. 

 Tortuous. Irregularly bent or twisted. 

 Torus. A receptacle; properly a 



fleshy one. 

 Transverse. Crosswise. 

 Tree. A large woody plant. 

 Triadelphous. Having stamens in 



three sets. 

 Triandrous. Having three stamens. 

 Tribracteate. With three bracts. 

 Trichotomous. Three-forked. 

 Tricoccous. Having three cocci. 

 Iridentate. Three-toothed. 

 Trijid. Three-cleft. 

 Trifoliolatc. Having three folioles. 

 Trigynous. Having three styles. 

 Trimer.ous. A whorl of three parts. 



Tripinnate. Three times pinnate. 

 Tripinnatijid. A leaf with tertiary 



divisions. 

 Triternate. Three times ternate. 

 Truncate. As if cut off at the end. 

 Tube. The hollow cylinder of a mo- 



nopetalous corolla. 

 Tuber. Thick and fleshy roots, of 



no regular form. 

 Tubercles. Small knobs or tubers. 

 Tuberculate. Warty. 

 Tunicated. Coated. 

 Turbinate. Top-shaped or inversely 



conical. 

 Turgid. Swollen ; thick. 

 Turion. ■ An immature scaly shoot. 

 Twining. Ascending spirally. 

 Two-edged. Compressed with sharp 



edges. 

 Two-ranked. Rows on opposite sides. 



Umbel. An inflorescence, where the 



flower-stalks diverge from the same 



point in a radiated manner. 

 Umbellate. Bearing umbels. 

 Umbilicate. Having a depression at 



one or both ends. 

 Unarmed. Destitute of thorns or 



prickles. 

 Uncinate. Hooked. 

 Under-shrubs. Small plants with 



woody stems. 

 Undulate. Wavy. 

 Unguis. The claw of a petal. 

 Unguiculate. Claw-like; having a 



claw. 

 Unilateral. One-sided. 

 Urceolate. Dilated like the body of 



a pitcher. 

 Utricle. A small bag or sac ; a ca- 



ryopsis which does not adhere to 



the seed. 



Valvate. Having valves. 



Valves. The pieces of a pericarp, 

 which separate naturally on ripen- 

 ing. 



Variety. A plant differing from the 

 type of the species in minor parti- 

 culars. 



Vascular plants. Plants with spiral 

 vessels. 



Vaulted. Arched, as the upper lip in 

 some labiate plants. 



