INDEX AND GLOSSARY. 



189 



Triquetrous, three angled. 

 Tripirmate, thrice pinnate, 289. 

 Triternate, thrice ternate. 

 True sap, 796. 

 Truncate, 284. Fig. 155, d. 

 Trunk (of a tree), 171. 

 Tryma, fruit as the hickory-nut, 564 

 Tube, 459. Tubular corolla, 481. 

 Tuber, 187. 



Tuberculate, covered with warts (tuber- 

 cles). 



Tumid, swollen or inflated. 

 Tunicate, coated, as the bulb, 193. 

 Turion, young shoot, as of asparagus. 

 Typical Flower, 412, 449. Figs. 260, 262. 

 Typical Forms, 11, 12. 



Umbel, 351. Umbellet, a partial umbel. 



Umbellate, bearing umbels. 



Umbilicate, with a sharp depression at end. 



Unarmed, with no stings, thorns, etc. 



Undershrub, a low shrub, 95. 



Undulate, wavy, 280. 



Unequally pinnate, 287. 



Unguiculate (petal), having a claw, 453. 



Uni (in compounds), one. 



Unifoliate, with one leaf or leaflet. 



Uniform, of one form. 



Unilateral, one-sided. 



Unilocular, one celled. 



Univalved, with but one ralve. 



Urceolate, urn-shaped, 478. 



Utricle (fruit), 559. 



Vaginate, sheathing, the flattened petiole 



involving the stem. 

 Valvate, 387. 

 Valves, Valvular, 550. 

 Varieties, 78. 

 Vascular tissue, 668. 



Vaulted, arched. [736. 



Vegetation, or Physiology of Plant Life, 

 Veins, 253. Veinlets, Veinulets, 257. 

 Venation (of the leaf), 255. 

 Ventricous, swelling out on one side. 

 Vernal, appearing in the Spring time. 

 Vernation (of the leaf bud), 213. 

 Ventral, belonging to the front side, i a, 



the side towards the axis. 

 Verrucous, covered with warts (verrucse). 

 Versatile (anther), 495. 

 Vertex, the summit, same as Apex. 

 Vertical, in the direction up and down, 



or parallel with the axis. 

 Verticillate, whorled, 222. 

 Verticilaster, 362. 



Ve'spertine, appearing hi the evening. 

 Vexillary (aestivation). Fig. 251. 

 Vexillum, standard. 474. Fig. 316, 317. 

 Villous, clothed with long, weak hairs, 



297. 

 Vimineous, with long flexible shoots, OBier- 



like. [slender. 



Vine, 178. Virgate, twiggy, long and 

 Viscid, Viscous, sticky or glutinous. 

 Vitta, Vittse, the minute oil-tubes in the 



fruit-coat of the Umbeliferse. 

 Volva, membrane enclosing the young 



Fungus. Fig. 537, e. 



"Wedge-shaped, gradually tapering to the 



base. 



Water, 838. 



Whorl, a circle of similar organs. 

 Witch-grass, 181. 

 Wood, C94. Wood-cells, 649. 



Yeast Plant. 745. 



Zoology, 37. 

 Zoospores, 633. 



ABBREVIATIONS AND SIGNS 



OFTEN USED IN DESCRIPTIVE BOTAtfY. 



