INDEX 



379 



Tea, 333. 



Teleutospores, *257, «258. 



Temperature and root-absorption, 

 40. 



Temperature, relation to germina- 

 tion, 7, 8. 



Tendril, *103. 



Tendril climbers, *56, 57. 



Terminal bud, 50, 88, *90. 



Terminal flowers, App. I, *360. 



Tertiary root, 30. 



Testa, *5. 



Thallophytes, 214-264*. 



Thallus, 212. 



Thermostat, 8. 



Thistle, Russian, *193, 205. 



Thorns as branches, 124. 



Thyme, stoma of, *129. 



Tickle-grass, *193. 



Timber, 343-348. 



Timothy, variations in, 310. 



Tomato, study of, 181. 



Trametes, *259. 



Transition from stamens to peta^, 

 *160. 



Transpiration, 131-135. 



Transpiration, amount of, 134, 135. 



Transpiration, measurement of, 

 *133, 134. 



Transportation by water, 195. 



Tree planting, 351, 352. 



Trees, 54. 



Trees, age of, 54, 55. 



Trillium, study of flower of, 143, 

 144. 



Tropseolum leaf, App. I, *356. 



Tropseolum leaves, starch in, 139, 

 *140. 



Tropseolum, petiole, coiling of, *57. 



Tropaeolum, study of, 1-3. 



Tropophytes, 114. 



Truncate, App. I, *356. 



Trunk, 52. 



Tuber, 59, *60. 



Tubular corolla, *152. 



Tulip, study of flower of, 144- 



146. 

 Tumble-weeds, *193, 194. 

 Turnip, seedling, *27. 

 Twayblade, beetle on flower of, 



*172. 

 Twigs, study of, 49-51. 

 Twiners, *57. 



Ulothrix, *305. 

 Umbel, App. I, *359. 

 Umbellet, App. I, *359. 

 Underground stems, 58-61*. 

 Uneatable plants, 123. 

 Union of pistils, 154. 

 Union of stamens, 153. 

 Unisexual flowers, *149. 

 Uredospores, *257. 



Variety, 208. 

 Varnishes, 339. 



Vaucheria, type study, 225-229*. 

 Vegetation, aquatic, 115. 

 Vegetative organs, 24, 25. 

 Vein, *98, *99, *101. 

 Veining, *98, *99, *101. 

 Venation, *98, *99, 100, *101, 102. 

 Venus' flytrap, *121. 

 Vernation, 92, *93, *94. 

 Vertically placed leaves, 110, *111. 

 Vessel, 74, 78. 



Water, absorption by roots, 39, 40. 

 "Water, amount transpired, 134, 135. 

 Water, course through leaf, 134. 



