1368 
Swine Cress, 467 
Switch Grass, 93 
Switch Oak, 353 
Sword Fern, 17 
Symphoricarpos, 1124 
Symphytum, 1001 
SYMPLOCACEAE, 913 
Symplocarpus, 228 
Symplocos, 913 
Synandra, 1028 
Syndesmon, 436 
Synedrella, 1273 
Syngonanthus, 235 
Synosma, 1302 
Syntherisma, 81 
Synthlipsis, 468 
Syringa, 507, 916 
Table Mountain Pine, 29 
Taenidia, 869 
Taenitis, 8 
Talinum, 414 
Tall Blueberry, 895 
TAMACEAE, 291 
TAMARICACEAE, 783 
Tamarack, 29 
Tamarind,. Wild, 577 
Tamarisk, 784 
Tamarix, 783 
Tamarix Family, 783 
Tanacetum, 1297 
Tan Bay, 794 
Tangleberry, 892 
Tansy, 1298 
Tansy Mustard, 485 
Tape-grass, 47 
Tape-grass Family, 46 
Taraxacum, 1318 
Tar-weed, 829 
TAXACEAE, 33 
Taxodium, 31 
Let 33 
ea 
New Jersey, 751 
Oswego, 1036 
Tear-thumb, 380 
Teasel, Wild, 1130 
Teasel Family, 1130 
Tectaria, 15 
Tecoma, 1095 
Telanthera, 396 
Tephrosia, 609 
Terminalia, 830 
TERMINALIACEAE, 830 
Tetragonia, 413 
TETRAGONIACEAE, 411 
Tetragonotheca, 1249 
Tetragonanthus, 931 
Tetramerium, 1085 
Tetraneuris, 1288 
Teucrium, 1018 
Teucrium, 1019 
Texan Ebony, 576 
Texas Buckeye, 746 
Texas Buckthorn, 749 
Texas Catsclaw, 578 
Texas Millet, 91 
Thalassia, 48 
Thalesia, 1093 
Thalia, 307 
Thalictrum, 445 
Thamnosma, 674 
Thaspium, 872 
THEACEAE, 792 
INDEX 
| Thelesperma, 1282 
| Thelypodium, 474 
THEOPHRASTACEAE, 906 
Thermopsis, 596 
Therofon, 500 
Thespesia, 777 
Thevetia, 934 
Thistle, 1305 
Blessed, 1309 
Sow, 1317 
Star, 1308 
Thistle Family, 1152 
Thorn Appel, 462, 993 
Three-seeded Mercury, 700 
Thrinax, 221 
Thrinax, 222 
Thryallis, 673 
Thuja, 31 
Thunder-wood, 727 
Thurberia, 69 
Thurovia, 1204 
Thyme, 1045 
Thymeleaceae, 818 
THYMELEALES, 818 
Thymophylla, 1295 
Thymus, 1045 
Thysanthema, 1309 
Thysanella, 373 
Tiarella, 502 
Tickseed, 1274 
Tick-trefoil, 634 
Tiedemannia, 875 
Tilia, 760 
TILIACEAE, 759 
Tillaea, 496 
Tillandsia, 245 
Tillandsia, 245 
Timothy, 122 
Tinantia, 237 
Tiniaria, 381 
Tipularia, 326 
Tissa, 417 
Tisswood, 820, 915 
Titi, 730, 890 
Black, 730 
Red, 730 
White, 730 
Titi Family, 729 
Tithymalopsis, 715 
Tithymalus, 718 
Tium, 618 
Toad-flax, 1056 
Bastard, 1102 
Tobacco, 994 
Indian, 1146 
Rabbit, 1238 
Wild, 1146 
Tofieldia, 248 
Tofieldia, 249 
Tomato, 991 
Toothache Grass, 132 
Toothache-tree, 674, 675, 856 
Toothwort, 480 
Torch-wood, 677 
Torch-wood Family, 680 
Torilis, 864 
Torreya, 33 
Tovara, 375 
Touch-me-not, 661 
Tough Buckthorn, 913 
Tournefortia, 1004 
Touterea, 809 
Townsendia, 1205 
Toxicoscordion, 252 
| Toxylon, 361 
| Tracaulon, 380 
| Trachelospermum, 937 
| Trachy pogon, 57 
Tracyanthus, 250 
| Tradescantella, 237 
| Tradescantia, 238 
Tradescantia, 237, 238 
Tragia, 701 
| Tragopogon, 1318 
| Trailing Arbutus, 890 
| Trailing Wolfbane, 435 
Trautvetteria, 440 
Tread-softly, 706 
| Tree Huckleberry, 892 
| Tree-of-Heaven, 680 
Tree Orchis, 327 
Trefoil 
Shrubby, 676 
Tick, 634 
Treleasea, 241 
Trema, 366 ; 
Trepocarpus, 866 
Triadenum, 792 
Triantha, 248 
Trianthema, 412 
Trianthera, 137 
Tribulus, 669 
Trichachne, 83 
Tricherostigma, 714 
Trichloris, 135 
Trichocoronis, 1162 
Trichomanes, 3 
Trichostema, 1019 
Tridax, 1285 
Tridens, 141 
Trifolium, 605 
Triglochin, 40 
Trilisa, 1170 
TRILLIACEAE, 275 
Trillium, 276 
Trillium Family, 275 
Triodia, 142 
Triorchos, 328 
Triosteum, 1123 
Triphasia, 1324 
Triphora, 323 
Triplasis, 144 
Tripsacum, 53 
Trisetum, 129 
oe 760 sae 
rumpet-creeper, : 
Aranoa or epit Family, 1094 
Trumpet-flower, 1094, 1095 
Evening, 921 
Trumpets, 494 
Tsuga, 30 
Tubiflora, 1081 
Tulipastrum, 451 
Tulip-tree, 453 
Tumble Weed, 92, 392 
Tumion, 33 
TURNERACEAE, 794 
Turnip, 477 
Indian, 226 
Turkey-beard, 249 
Turkey Oak, 351 
Turtle-head, 1058 
Twayblade, 320, 325 
