490 



INDEX 



{Numberi refer to pages.) 



Ternate, 89, 95. 



Tetramerous, 214. 



Tetrandria, 433. 



Thallophytes, 352. 



Thermometer, 414. 



Thistle, dispersion, 337; leaves, 86. 



Thistles, florets, 183; growth of, 14. 



Thyrse, 196. 



Tiger lily, bulblets, 357. 



Tips of raspberry, 368. 



Toad-flax, fruit, 265. 



Toadstool, 349. 



Tobacco, fruit, 275. 



Tomato, fruit, 274, 300; leaves, 92, 126; 



pollination of, 312. 

 Tomatoes, cotyledons, 335. 

 Torus, 150. 



Trees, duration of, 386; what are, 389. 

 Trefoil, shrub, 271. 

 Tri-compound, 91. 

 Trifoliolate, 95. 

 Trilocular, 142. 

 Trimerous, 214. 

 Trimorphie, 240. 

 Tripalmate, 95. 



Tripinnate, 95. [114. 



Trop»olum, climbing, 401, 402; leaf, 

 Triserial flower, 139. 

 Triternate, 95. 

 Trumpet-creeper, 374, 401. 

 Trumpet-shaped corolla, 185. 

 Truncate, 118. 

 Trunks, why cylindrical, 69. 

 Tubercle, 363. 



Tubers, 362 ; perpetuation by, 387. 

 Tubular corolla, 185. 

 Tulip, anther, 147; double, 204, 206; 



flower, 139, 185, 188; fruit, 265; 



ovary, 142, 145. 

 Tulip tree, leaves, 124; vernation, 59 

 Tumble-weeds, 337, 

 Tunicate, 355. 



Turban squash, 296. 



Turnip, battle for life, 382; duration 



of, 287; fruit, 262; roots of, 393; 



tubers, 363. 

 Twiners, 398. 



Umbel, 190. 

 Umbellet, 191. 

 Underwood, book by, 346. 

 Undulate, 119. 

 Unifoliolate, 95, 

 Unilocular, 142. 

 Uniserlal flower, 139. 



Vaginate, 112. 



Yalvate eestivation, 183. 



Valve, 262. 



Vanilla, 223. 



Variation, starting of, 419 



Varieties, 426. 



Varnish tree, 202. 



Vascular cryptogams, 346. 



Vasculum, 440. 



Veil of mushroom, 348. 



Venation, 96. 



Ventral, 260. 



Verbena, stamen, 150. 



Vernation, 61. 



Veronica, 96. 



Versatile anther, 147. 



Verticillate, 65. 



Vexillum, 207. 



Violaceffi, 210. 



Violet, dehiscence, 268; double, 206; 



flowers, 209, 222. 

 Virginia creeper, 84, 400, 414. 

 Vltis, description of, 428; Labrusca 



428. 

 Volva, 350. 



Wallflower, fruit, 262. 

 Walnut, catkins, 162; fruit, 285; leaf, 

 92; twigs, 39, 55. 



