Index 



Sweetbrier, 145 

 Sycamore, 137 

 Symphoricarpos, 247 

 Symphytum, 216 

 Symplocarpus, 74 

 Symplocos, 204 

 Synosma, 276 

 Taenidia, 192 

 Talinum, 119 

 Tanacetum, 275 

 Tansy, 275 

 Tape Grass, 17 

 Taraxacum, 281 

 Tar Weed, 255, 274 

 Taxodium, 11 

 Tea Family, 175 



New Jersey, 172 

 Teaberry, 198 

 Tear Thumb, 108 

 Teasel, Wild, 249 

 Tecoma, 240 

 Teesdalia, 128 

 Tephrosia, 152 

 Ternstroemiaceae, 175 

 Teucrium, 218 

 Thalictrum, 122 

 Thaspium, 193 

 Thelypteris, 6 

 Thistle, 278 



Bull, 278 



Canada, 279 



Field, 278 



Musk, 278 



Pasture, 278 



Plumeless, 278 



Scotch, 279 



Sow, 281 



Spineless, 278 



Star, 279 



Swamp, 278 



Yellow, 278 

 Thiaspi, 128 

 Thorn, 140 



Cockspur, 140 



Dwarf, 142 



Marshall's, 140 



May, 142 



Washington, 141 

 Thorn Apple, 229 

 Thorough-wax, 192 

 Thoroughwort, 254 

 Thyme, 224 



Basil, 223 



(Thyme) 



Garden, 224 



Wild, 224 

 Thymelaeaceae, 183 

 Thymus, 224 

 Tick Trefoil, 153 

 Tickseed, 271 

 Tiha, 173 



TiLIACEAE, 173 



Tillaea, 135 

 Tillandsia, 77 

 Timothy, 31 

 Tipularia, 93 

 Toad Flax, 230 



Bastard, 104 

 Tobacco, 229 



Indian, 251 



Ladies', 266 

 Tofieldia, 81 

 Tomatillo, 228 

 Toothache Tree, 163 

 Toothwort, 132 

 Touch-me-not, 171 

 To vara, 109 

 Trachelospermum, 208 

 Tradescantia, 76 

 Tragiola, 233 

 Tragopogon, 280 

 Trailing Arbutus, 198 

 Tree-of- Heaven, 163 

 Trefoil, Bird's-foot, 151 



Shrubby, 163 



Tick, 153 

 Trichostema, 219 

 Tridens, 25 

 Trientalis, 203 

 Trifolium, 150 



agrarium, 150 



arvense, 150 



carolinianum, 150 



dubium, 150 



hybridum, 150 



incarnatum, 150 



pratense, 150 



procumbens, 150 



procumbens, 150 



repens, 150 

 Triglochin, 15 

 Trillium, 85 



White, 85 

 Triodia, 25 

 Triosteum, 247 

 Triphora, 90 

 Triplasis, 25 



Tripsacum, 47 

 Trisetum, 27 

 Trumpet Creeper, 240 

 Tsuga, 11 

 Tulip Tree, 125 

 Tumbleweed, 112 

 Turkey Beard, 81 

 Turnip, 130 

 Turtlehead, 231 

 Tussock Sedge, 71 

 Twayblade, 93 

 Twig Rush, 59 

 Typha, 12 

 Typhaceae, 12 



Ulmus, 102 



Umbelliferae, 189 



Uniola, 24 



Upland Boneset, 254 



Urtica, 104 



Urticaceae, 102 



Utricularia, 237 

 biflora, 238 

 clandestina, 238 

 cleistogama, 239 

 cornuta, 239 

 fibrosa, 238 

 geminiscapa, 238 

 gibba, 238 

 inflata, 237 

 intermedia, 238 

 juncea, 239 

 macrorhiza, 238 

 purpurea, 238 

 radiata, 238 

 resupinata, 239 

 subulata, 239 

 subulata, 239 

 virgatula, 239 

 vulgaris, 238 



Uvularia, 82 



Vaccinium, 200 

 angustifolium, 201 

 atrococcum, 201 

 caesariense, 201 

 corymbosum, 201 

 macrocarpon, 201 

 neglectum, 201 

 pennsylvanicum, 201 

 stamineum, 200 

 vacillans, 201 



Valerian, 248 



Valeriana, 248 



[311] 



