INDEX AMD OLOBBABT. 



189 



Triquetrous, three ungled. 

 Triptnnate, thrice pinnate, 289. 

 Tritemate, thrice temate. 

 1Vu9 sap, 796. 

 Truncate, 284. Pig. 155, d 

 Trunk (of a tree), 171. 

 Ttyma, fruit as the hickory-nut, 564. 

 Tube, 459. Tubular corolla, 481. 

 Tuber, 187. 



Tub^rculate, covered with warts (tuber- 

 cles). 

 Tumid, swollen or inflated. 

 Tunicate, coated, as the bulb, 193. 

 Turion, young ehoot, as of a^aragus. 

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

 laical 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, 9S. 



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. 



TJnivalved, with but one valve. 



tlrceolate, urn-shaped, 478. 



Utricle (fruit), 559. 



Vaginate, sheathing, the flattened petiole 



involving the stem. 

 Talvate, 387. 

 Valves, Valvular, 550. 

 Varieties, 78. 

 Vascular tissue, 668. 



Vaulted, arched. p36. 



Vegetation, or Physiology of Plant Xife^ 

 Veins, 253. Veinlets, Veinulets, 267. 

 Venation (of the leaf), 255. 

 V^ntricous, swelling out on one side. 

 Vernal, appearing in the Sprmg time. 

 Vernation (of the leaf bud), 213. 

 Ventral, belonging to the front side, i. «., 



the side towards the axis. 

 Verrucous, covered with warfa (vermceeX 

 Versatile (anther), 495. 

 Vertex, the summit, same as Apex. 

 Vertical, in the direction up and down, 



or parallel with the axis. 

 Vertioillate, whorled, 222. 

 Verticilaster, 362. , 

 Vespertine, appearing in the evening. 

 VexiUary (sestivation). Fig. 251. 

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

 Villous, clothed with long, weak hairs, 



297. 

 Vimineoua, with long flexible shoots, offier- 



like. [slender. 



Vine, 178. Virgate, twiggy, long and 

 Viscid, Viscous, sticky or glutinous. 

 Vitta, Vittae, the minute oil-tubes in the 



fruit-coat of the Umbeliferae. 

 Volva, membrane enclosing the young 



Fungus. Fig. 537, e. 



■Wedge-shaped, gradually tapering to tha 



base. 

 Water, 838. 



Whorl, a circle of similar organs. 

 Witch-grass, 181. 

 Wood, 694. Wood-cells, 649. 



Yeast Plant, 745. 



Zoology, 37. 

 Zoospores, 633. 



ABBREVIATIONS AND SIGNS 



OFTEir USED IN DESCRIPTIVE BOTANY. 



aeh. acbenia. 

 <Bst. {estivation. 

 alter, alternate. 

 amplex. amplexicaul. 

 cmSi. anther. 

 oarfS. axillary. 

 eal. calyx. 

 caps, capsule. 

 cor. corolla., 

 dedd. deciduous. 

 diaim. diameter. 

 «S^. elliptical 

 emarg. emarginatei 

 epig. epigynous. 

 /. OT ft feet 



JU. filaments. 



fl. flower ; fls. flowers. 



fr. fruit. 



M. head ; hds. beads. 



hyp. hypogynous. 



imbr. imbricate. 



inf. inferior. 



invol. involucre. 



irreg. irregular. 



leg. legume. 



If. leaf; his. leavea 



Ifis. leaflets. 



lorn, loment 



opp. opposita 



ova. ovary. 



ped. peduncle. 

 pet. petals. 

 perig. perigynoua. 

 perig. perigynium. 

 recep. receptacle. 

 rig. regular. 

 rhiz. rhizoma. 

 ri, root. 

 sds. seeds. 

 seg. segment 

 Sep. sepals. 

 St stem. 

 sta. stamens. 

 stig. stigmas. 

 siy. styles. 



