xxiv 



INTRODUCTION. 



Testa : the covering of the seed. 

 Tetramerous : in parts of four. 

 Tetrandrous : having four stamens. 

 Thorn, 24. 

 Throat: the orifice of a tubular corolla, 



calyx, &c. 

 Tomentose : clothed with a close velvety 



pubescence. 

 Toothed: see Dentate. 

 Top-shaped : like an inverted cone. 

 Torose, or Torulose: 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. 604. 

 Tubercled : bearing tubercles, or crowned 



with a tubercle. 

 Tuberous : like a tuber. 

 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. 



Umbelled: arranged in an umtel. 



Umbellet, 57. 



Unarmed : destitute of thorns, prickles,&c. 



Uncinate : hooked. 



Undulate : wavy. 



Unequally pinnate, 43. 



Unguiculate : clawed. 



Unifoliolate : bearing a single leaflet. 

 Urceolate : urn-shaped ; pitcher-shaped. 

 Utricle, 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, 39. 



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 wood. 

 Woody Fibre or Woody Tissue, 4. 

 Woolly : clothed with long and dense soft 



hairs. 



