INDEX. 
446 
Tonestus, 345 
Touterea, 234 
Townsendia, 349 
Toxicoscordion, 77 
Trachyphyturn, 236 
Tradescantia, 75 
Tragi a, 222 
Tragopogon, 403 
Trailing Savin, 10 
Tribulus, 220 
Trichachne, 21 
Tridens, 38 
Trifoil, Birdsfoot, 202 
Trifoil, Marsh, 268 
Trifolie^e, 195 
Trifolium, 200 
Triglochin, 14 
Trilliace^e, 86 
Trillium, 86 
Trillium Family, 86 
Triodia, 37, 38 
Triplasis, 37 
Trisetum, 33, 34 
Trollius, 135 
Troximon, 406, 408, 409 
Tufted Loosestrife, 263 
Turkey Pea, 254 
Turnips, 160 
Turritis, 157 
T way blade, 89 
Twin-flower, 323 
Twisted-stalk, 84 
Typha, 11 
Typhace^:, 11 
Ulmace^e, ioo 
Umbellales, 249 
Umbrella-wort, 123 
Unamia, 351 
Unicorn-plant, 320 
Unicorn-plant Family, 320 
Urtica, 99 
Urticace^:, 99 
Urticales, 99 
Utricularia, 319 
Vaccaria, 134 
Vacciniace^e, 260 
Vaccinium, 260 
Vagner a, 84 
Valerian, 326 
Valeriana, 326 
Valeri an ace^e, 326 
Valerianales, 326 
Valerian Family, 326 
Vanilla Grass, 23 
Vase-vine, 141 
Velvet-leaf, 231 
Venus’ Looking-glass, 326 
Venus’ Slipper ( Cytherea ) 
Veratrum, 76 
Verbascum, 305 
Verbena, 294 
Verbenace^e, 294 
Verbesina, 374 
Vernonie^e, 335 
Vernonia, 335 
Veronica, 312 
Vervain, 294 
Vervain Family, 294 
Ve sic aria, 155 
Vetch, 216 
Vetchling, 217 
Viburnum, 323 
Vicia, 216 
Vicicle, 196 
Vilfa, 27 
Viola, 232 
Violaceje, 232 
Violet, 232 
Violet, Dog-tooth, 83 
Violet, Nodding, 234 
Violet Family, 232 
Violet Wood-sorrel, 220 
Viorna, 141 
Virginia Creeper, 228 
Virgin’s Bower, 141 
Virgin’s Bower, Purple, 141 
Vitace^e, 228 
Vitis, 228 
Wake-robin, 86 
Water Ash, 221 
Water-cress, 155 
Water-crowfoot, White, 142 
Water Hemlock, 252 
Water Hemp, 121 
Water Hoarhound, 299 
Water-leaf, 282 
Water-leaf Family, 281 
Water Lily, Yellow, 147 
Water-lily Family, 147 
Water Milfoil, 249 
Water Milfoil Family, 248 
Water Parsnip, 254 
Water Parsnip, Cut-leaved, 253 
Water-plantain, 14 
Water-plantain Family, 14 
Water Spring Beauty, 126 
Water Starwort, 225 
Water Starwort Family, 225 
Water-weed, 15 
Water-wort, 231 
Water-wort Family, 231 
Water Whorl-grass, 39 
Washingtonia, 251 
Wedelia, 124 
Wheat-grass, 52 
White Evening Primrose, 244 
White Fir, 9 
