INTRODUCTION. 



Testa: the covering of the seed. 

 Tetrameroua : in parts of four. 

 Tetrandrous : having four stamens. 

 Thorn, 24. 

 Throat: the orifice of a tubular corolla, 



calyx, &c. 

 Tomeutose: clothed with a close velvety 



pubescence. 

 Toothed: see Dentate. 

 Top-shaped: like an inverted cone. 

 Torose, or Tomlose: knotted; knobby. 

 Torus, 61. 

 Tree, 26. 



Triandrous: having three stamens. 

 Tribe: a subdivision of an order. 

 Trichotomous : dividing into three 



branches. 

 Trifoliolate : bearing three leaflets. 

 Truncate: ending abruptly, as if cut off. 

 Tube : the united part of" a calyx or co- 



rolla. 

 Tuber, 19. 

 Tubercle: a wart-like appendage; Flora, 



p. 504. 

 Tubercled : bearing tubercles, or crowned 



with a tubercle. 

 Tuberous: like a ruber. 

 Tubular: shaped like a tube. 

 Tumid: swelled; thickened. 

 Tunicated Bulb, 21. 

 Twin: in pairs; a pair united. 

 Twining : rising by coiling around a 



support. 



Umbel. 57. 



I'mbelled : arranged in an umbel. 



Umbellet, 67. 



Unarmed: > lestitute of thorns, prickles,&c. 



Uncinate : hooked. 



Undulate : wavy. 



Unequally pinnate, 43. 



Unguiculute : clawed. 



Unifoliolate : bearing a single leaflet. 

 Urceolate : urn-shaped; pitcher-shaped. 

 1 tricle, 95. 

 Utricular : formed like a utricle. 



Valve, 85. 



Valvate, 68 : opening by valves. 



Variety, 111. 



Vascular Tissue, 5. 



Vaulted : arched. 



Veins, 33. 



Veiny : furnished with reticulated veins. 



Veinlets : the ultimate branches of veins. 



Venation, 89. 



Ventral Suture, 80. 



Ventricose : inflated. 



Vernation, 34. 



Versatile, 72. 



Vertical : with the edges directed upward 



and downward, and the sides facing the 



horizon. 

 Vessels, 2. 



Vexillum : Flora, p. 86. 

 Villous : woolly. 



Virgate : wand-like ; long and slender. 

 Viscid : clammy ; glutinous. 

 Vittse : Flora, p. 157. 



Waxy : like beeswax. 



Wedge-shaped : broad at the summit, and 



tapering regularly to the base. 

 Wheel-shaped : see Rotate. 

 Whorl : a collection of parts arranged in 



a ring or circle. 

 Whorled : disposed in a whorl. 

 Wing: Flora, p. 86 ; any thin expansion. 

 Winged : furnished with wings. 

 Wood, 30. 

 Woody : of the texture of w 1. 



Woody Fibre or Woody Tissue, 4- 



Woolly : clothed with long and dense soft 

 hairs. 



