Stiff marsh bedstraw, 1542 

 Stinkgrass, 196 

 Stinking fleabane, 1634 

 Stinking-willow, 1055 

 Stinkweed, 1633 

 Stone-rush, 489 

 Stonecrop, 997 



ditch-, 999 

 Stonewort, 3 

 Storax, 1299 



family, 1296 

 Stout woodreed, 234 

 Straggling gilia. 1373 

 Strangle vine, 1360 

 Strawberry 



-bush. 1103 



-clover, 1049 



Indian-, 1021 

 Streptopus, 659 



amplexifolius. 659 

 Stretch-berry. 1308 

 Stylisma, 1353 



aquatica, 1353 

 Stylites, 43 

 Styracaceae, 1296 

 Styrax, 1296, 1299 



americana, 1299 

 puherulenta, 1299 



platanifolia, 1299 

 stellata, 1301 



pulverulenta, 1299 

 Suaeda. 846, 1361, 1367 



conferta, 849 



depressa, 846 

 erecta, 847 



linearis. 847 



mexicana, 847 



nigrescens 

 glabra, 847 



Torreyana, 847 

 Sucker flax. 1073 

 Suckleya, 849 



poison-, 849 



suckleyana. 849 

 Sugarcane plumegrass, 338 

 Sumac, 1093 



family, 1091 



poison-, 1093 

 Summer 



-cypress, 845 

 perennial-, 847 



-grape, 1110 



-scouring-rush, 46 

 Sump-weed, 1637 

 Sundew. 5, 990 



family, 990 

 Sundrops, rose, 1197 

 Sunflower, 1655 



Maximilian-, 1659 



tickseed-, 1667 



Susan, brown-eyed, 1651 

 Svida stricta, 1266 

 Swamp 



-bay, 961 



-dock, 800 



-laurel oak, 787 



-locust, 1045 



-loosestrife, 1157 



-milkweed, 1345 



-post-oak, 784 



-privet, 1307 



-rose-mallow, 1121 



-thistle, 1695 

 Sweet 



-bay, 961 



-cicely, 1223 



-clover, 1046 

 white-, 1046 

 yellow-, 1047 



-grape, 1 109 



-grass, 268 



-gum. 1012 



-leaf, 1301 

 family, 1301 



-pepper-bush. 1267 



-potato, 1354 



-spire, 1008 

 Sweetflag, 563 

 Swertia, 1327 



palustris, 1327 



perennis, 1327 

 Switchgrass, 320 

 Sword-grass, 357 

 Sycamore, 1012 



Arizona-, 1015 

 Symphoricarpos, 1367, 

 1560 



orbiculatus, 1560 



spicatus, 1562 



vulgaris, 1562 

 Symplocaceae, 1301 

 Symplocos, 1301 



tinctoria, 1301 

 Syringodium filiforme, 120 



Tabaquillo, 1453 



Tall 



-leafy green-orchid, 706 

 -northern green-orchid, 



706 

 -scouring-rush. 47 

 -white bog-orchid, 710 

 -white northern-orchid, 

 710 



Tamaricaceae. 1148 



Tamarisco, 1149 



Tamarisk, 1148 

 family, 1148 



Tamarix, 1, 196. 845. 

 1148, 1368 



africana, 1149 



aphylla, 1149 



aralensis, 1149 



canariensis. 1149 



chinensis. 1149 



gallica, 1149 



parviflora, 1149 



ramosissima, 1151 

 Tangle gut, 1360 

 Tansy-mustard, 967 

 Tapegrass, 161 

 Tapioca, 1082 

 Tapiro, 1560 

 Taraxacum, 1703 



erythrospermum, 1704 



officinale, 1703 

 Taray, 763 

 Tarragon, 1689 

 Tarweed, 1642 

 Tassel-white. 1008 

 Tauschia, 1220 



texana, 1220 

 Taxodiaceae, 79 

 Taxodium, 81 



distichum. 81 



family, 79 



mucronatum. 82 

 Tea, Mexican, 854 

 Tearthumb, 810 

 Tecoma, 1369 

 Te de castilla, 1401 

 Tessaria, 1637 



borealis, 1637 



sericea, 1637 

 Teucrium, 1362, 1408 



canadense, 1408 

 angustatum, 1411 

 canadense, 1411 

 occidentale, 1411 

 virginicum, 1411 



cubense, 1411 

 chamaedrifolium, 



1412 

 cubense, 1412 

 densum, 1312 

 laevigatum, 1412 



depressum, 1412 



laevigatum, 1412 



occidentale, 1411 



virginicum, 1411 

 Texas 



-frog-fruit, 1404 



-gourd, 1569 



-ladies' tresses, 730 



-lantana. 1400 



-wildrice, 277 

 Thalassia, 9, 129, 167 



testudinum, 4, 167 

 Thalia, 686 



1773 



