256 FOUNDATIONS OF BOTANY 
Symphoricarpus, 217. 
Symplocarpus, 25. 
Syringa, 103, 176. 
Tamarack, 18. 
Tangleberry, 170. 
Tansy Mustard, 95. 
Taraxacum, 235, 236. 
Tassel Tree, 148. 
Taxodium, 18. 
Tecoma, 207. 
Thalictrum, 84. 
Thaspium, 161. 
Thistle, 233, 237. 
Thorn, 110. 
Thuya, 18, 19. 
Thyme, 198. 
Thymus, 198. 
Tiarella, 102. 
Tickseed, 229, 230. 
Tilia, 147. 
Tiliacex, 146, 147. 
Tinker-weed, 218. 
Tipsin, 126. 
Toad-flax, 64. 
Toad-flax, Wild, 203. 
Tomato, 200. 
Tongue-grass, 94. 
Toothache-tree, 133. 
Toothwort, 97. 
Tradescantia, 27. 
Trailing Arbutus, 169. 
Trefoil, Marsh, 178. 
Trientalis, 172, 173. 
Trifolium, 125. 
Trillium, 40, 41. 
Triosteum, 218. 
Tropaeolacee, 132. 
Tropzolum, 132. 
Tropzolum Family, 132. 
Trumpet Creeper, 207. 
Trumpet Flower, 207. 
Tsuga, 17. 
Tubuliflore, 227, 228. 
Tulip, 36. 
Tulipa, 36. 
Tulip Tree, 87. 
Tupelo, 164. 
Turkey Pea, 160. 
Twin-flower, 218. 
Two-eye Berry, 214. 
Typha, 20. 
Typhacee, 20. 
Ulmacee, 59. 
Ulmus, 59, 60. 
Umbelliferze, 158. 
Umbrella Tree, 86. 
Unicorn-root, 32. 
Urtica, 65. 
Urticacee, 62, 63. 
Utricularia, 209, 210. 
Uvularia, 33. 
Vaccinium, 170, 171. 
Valerian, 220. 
Valeriana, 220. 
Valerianacee, 220. 
Valerianella, 221. 
Valerian Family, 220. 
Veratrum, 32. 
Verbascum, 202. 
Verbena, 192, 193. 
Verbenacee, 192. 
Verbena Family, 192. 
Veronica, 204, 205. 
Vervain, 192. 
Vetch, 128, 129. 
Viburnum, 216, 217. 
Vicia, 128. 
Vinca, 179. 
Vine Family, 145. 
