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GLOSSARY 



Tri-. 3. 



Trifid. 3-cleft. 



Trigonous. 3-angIed. 



Triquetrous. Sharply 3-angled; and 

 specially with the sides concave. 



Truncate. Ending abruptly, as if cut 

 off transversely. 



Tuber. A thickened portion of a sub- 

 terranean stem or branch. 



Tubercle. A small excrescence. 



Tunicate. Invested with layers as an 

 onion. 



Turbinate. Top-shaped. 



Turgid. Swollen; thick as if swol- 

 len. 



Twining. Ascending by coiling round 

 a support, like the hop. 



Umbel. The umbrella-like form of 



inflorescence. 

 Umbellate. In umbels. 

 Umbellet. A secondary or partial 



umbel. 

 Unarmed. Destitute of spines, 



prickles, and the like. 

 Uncinate. Hook-shaped; hooked at 



the end. 

 Undulate. Wavy or wavy-margined. 

 Unequally pinnate = Odd-pinnate. 

 Unguiculate. With a claw or narrow 



base. 

 Uni-. 1. 

 Unisexual. Having only one kind of 



sex organs; applied also to flowers 



having only stamens or pistils. 

 Urceolate. Urn-shaped. 



Utricle. A small thin-walled one- 

 seeded fruit. 



Valvate. Opening by valves; in the 



bud, meeting by the edges without 



overlapping. 

 Valve. One of the pieces into which a 



dehiscent pod or any similar body 



splits. 

 Veins. The fibrovascular strands or 



ribs of a leaf or other organ. 

 Venation. The veining of leaves, etc. 

 Ventral. Belonging to the anterior or 



inner face of an organ ; the opposite 



of dorsal. 

 Versatile (anther). Attached near 



the middle and turning freely on its 



support. 

 Verticillate = Whorled. 

 Vesicle. A little bladder. 

 Villous. Shaggy with long and soft 



hairs. 

 Vine. Any trailing or climbing stem. 

 Virgate. Wand-shaped, as a long, 



straight slender twig. 

 Viscid. Glutinous, sticky. 



Wedge-shaped. Broad above and 

 tapering by straight lines to a nar- 

 row base. 



Whorl. A circle of leaves or other 

 organs at a node. 



Whorled. Arranged in a circle. 



Wing. Any membranous expansion. 



Woolly. Clothed with long and 

 tangled soft hairs. 



