INDEX 



347 



Sympetalae, 268. 

 Synipetaly, 22ft a 27. 

 Symplocarpus, '<s43. 

 Synearpy, 199, 219, 225. 

 Synergid, 202, 2'>4, 205, 206. 



Tanaeetum, 279. 

 Tansy : see Tanaeetum. 

 Taraxacum, 213, 277, 278. 

 Taxonomy, 297. 

 Teleutospore, 64, 65. 

 Tension of tissues, 298. 

 Testa, 184, 211. 

 Tetracycla?, 268. 

 Tetrad, 103. 

 Tetraspore, 48. 

 Teuerium, 230, 274. 275. 

 Thallophytes, 2, 4, 172. 

 Thermotropism, 307. 

 Thistle : see Cnicus. 

 Thorn apple : see Datura. 

 Thuja, 193. 

 Thymus, 274. 

 Tickseed : see Coreopsis. 

 Tissues, 280. 

 Toad-flax : see Linaria. 

 Toadstools, 68. 

 Tobacco : see Xicotiana. 

 Tomato : see Lycopersicum. 

 Tracheae, 285, 286. 

 Tracheids, 286. 

 Transfer of water, 300. 

 Transpiration, 301. 

 Tree fern, 140. 

 Trichia, 75. 

 Trichogyne, 43, 44. 

 Trillium, 207, 246, 265. 

 Truffles, 60. 

 Turgidity, 298. 

 Typha, 239, 240. 



U 



Umbel, 266, 267. 

 Umbelliferae, 266. 

 Umbellifers, 266. 

 Ulmus, 210, 256. 

 Ulothrix, 12, 13, 22. 

 Uredo, 64. 

 Uredospore, 63, 61 



Vaccinium, 269. 



Vascular bundle, 232, 234, 287, 291. 



Vascular cylinder, 234, 287. 



Vascular system, 129, 139. 



Vaucheria, 26, 27, 28. 



Vegetative multiplication, 9. 



Veins, 141, 142. 



Venation, 233. 



Verbascum, 275. 



Verbenacea?, 275. 



Vernation, 143. 



Vernonia, 279. 



Veronica, 275. 



Vicia, 265. 



Violet, 211, 229. 



W 



Wall cell, 180. 



Walnut, 256. 



Water, 83, 314. 



Water ferns, 158. 



Water-lily, 223, 261. 



Water-lily family : see Nymphaea- 



ceae. 

 Water moulds, 51. 

 Wheat rust, 63, 64, 65, 66. 

 Willow : see Salix. 

 Wind, 315. 

 Wintergreen : see Gaultheria. 



