334 



INDEX. 



Spurge, 



Flowering, 179 



Myrtle, 180 



Petty, 180 

 Spurge Family, 178 

 Squaw-huckleberry, 219 

 Squaw-root, 266 

 Squaw-weed, 310 

 Squirrel-corn, 130 

 Stachys, 250 

 Staff-tree, 184 

 Staff-tree Family, 183 

 Stagger-bush, 218 

 Staphylea, 184 

 Staphyleaceae, 184 

 Star-cucumber, 280 

 Star-flower, 221 

 Star-grass, 80 

 Star-of -Bethlehem, 75 

 Star-thistle, 312 

 Starry-campion, 117 

 Starwort, 115 

 Steeple-bush, 146 

 Steironema, 222 

 Stenauthium, 70 

 Stenophyllus, 45 

 Stitehwort, 115 

 Stick-weed, 241 

 Stinging-neetle, 101 

 Stipa, 21 

 Stone-clover, 163 

 Stoneerop, 141 



Mossy, 141 

 Stone-root, 256 

 Stork 's-bill, 172 

 Stramonium, 240 

 Strawberry, 149 



American wood, 149 



Barren, 150 



European wood, 149 



Indian, 149 



Scarlet, 149 



Yellow, 149 

 Strawberry-bush, 183 

 Strobus, 2 

 Strophostyles, 170 

 Sturshum, 133 

 Stylipus, 150 

 Stylosanthes, 165 

 Sugarberry, 104 

 Sugar-grape, 187 

 Sugar-maple, 185 

 Sugar-tree, 185 

 Sumac, 181 



Dwarf, 182 



Poison, 182 



Smooth, 182 



Staghorn, 182 

 Sumac Family, 181 



Summer-grape, 187 

 Summer-savory, 252 

 Sundew, 139 

 Sundew Family, 139 

 Sundrops, 204 

 Sunflower, 305 

 Sunflower-tree, 224 

 Svida, 206 



Swamp beggar-ticks, 307 

 Swamp-blueberry, 220 

 Swamp-buttercup, 124 

 Swamp-hickory, 95 

 Swamp-honeysuckle, 216 

 Swamp-loosestrife, 202 

 Swamp-maple, 185 

 Swamp-milkweed, 230 

 Swamp rose-mallow, 190 

 Swamp-saxifrage, 142 

 Swamp Spanish-oak, 99 

 Swamp-thistle, 311 

 Swamp white-oak, 100 

 Sweet-alyssum, 136 

 Sweet-bay, 125 

 Sweet-birch, 97 

 Sweet-blueberry, 220 

 Sweetbrier, 153 

 Sweet-cherry, 158 

 Sweet-cicely, 209 

 Sweet-clover, 162 

 Sweet-fern, 93 

 Sweet-flag, 66 

 Sweet-scai)ious, 299 

 Sweet-scented bedstraw, 



273 

 Sweet vernal-grass, 21 

 Sweet-violet, 197 

 Sweet-william, 237 



Wild, 237 

 Sweet-william catchfly, 



117 

 Sycamore, 145 

 Symphoricarpus, 275 

 Symphytum, 242 

 Syndesmon, 121 

 Synosma, 310 

 Syntherisma, 13 



Table-mountain pine, 2 

 Taenidia, 211 

 Talinum, 113 

 Tall meadow-rue, 124 

 Tall oat-grass, 28 

 Tall red-top, 30 

 Tamaceae, 81 

 Tanacetum, 309 

 Tansy, 309 

 Tape-grass, 8 

 Tape-grass Family, 7 

 Tare. 170 



Tea, New Jersey, 186 



Oswego, 251 

 Tear-thumb, 108 

 Teasel, 278 



Wild, 278 

 Teasel Family, 278 

 Tetragoniaceae, 112 

 Teucrium, 246 

 Thalesia, 266 

 Thalictrum, 124 

 Thaspium, 212 

 Thimbleberry, 147 

 Thin-grass, 26 

 Thistle, 311 



Canada, 311 



Common, 312 



Cotton, 312 



Musk, 312 



Pasture, 311 



Plumeless, 312 



Scotch, 312 



Sow, 316 



Star, 312 



Swamp, 311 



Yellow, 312 

 Thistle Family, 283 

 Thlaspi, 132 

 Thorn, 



Cockspur, 156 



Scarlet, 156 



Washington, 156 

 Thorn-apple, 240 

 Thorny-amaranth, 111 

 Thorough-wax, 210 

 Thoroughwort, 286 

 Three-seeded mercury, 178 

 Thyme, 253 



Creeping, 253 

 Thymeleales, 199 

 Thyme-leaved speedwell, 



262 

 Thymus, 253 

 Tickseed, 306 

 Tick-trefoil, 165 

 Tilia, 188 

 Tiliaceae, 188 

 Tiliales, 69 

 Timothy, 24 

 Tinker 's-weed, 275 

 Tissa, 113 

 Tithymalopsis, 179 

 Tithymalus, 179 

 Toad-flax, 258 



Bastard, 270 



Blue 258 

 Tobacco, 2 



Indian, 282 



Ladies', 300 

 Toothache-tree, 175-207 



