326 



INDEX. 



Page. 



Sumac family 198 



fragrant 199 



poison 198 



staghorn 198 



white 198 



Summer grape 202 



Sundew 1 70 



family 170 



Sundrops 21-i 



Sunflower 286 



common 287 



swamp 287 



Swamp azalea 223 



beggar-ticks -. 289 



blackberry 175 



d ock 144 



goldenrod 278 



loosestrife 212 



lousewort 254 



mallow 204 



milkweed : 233 



poplar 135 



rose 174 



sunflower 287 



thistle 292 



white oak 140 



Sweet alyssum 165 



alder 220 



alder family 220 



bay 161 



birch 137 



cherry 180 



cicely 218 



clover 183 



fern 135 



flag 114 



gum 173 



pinesap 221 



potato 233 



vernal grass 81 



William 154 



William, wild 235 



wiUiam catchfly 154 



Sweet bells 223 



Sweetbrier 174 



Sweet-scented bedstraw 258 



goldenrod 278 



Sycamore 173 



family 173 



maple 200 



Symphoricarpos 259 



Symphytum 238 



Symplocarpus 114 



Syndesmon 157 



Synonyms, citation of 16 



Synosma 291 



Syntherisma 72 



Syringa 227 



Table-mountain pine , 61 



Taenidia 218 



Talinum 150 



Tall blackberry 175 



cone-flower 286 



goldenrod 278 



oat grass 85 



ticksced 288 



Page. 



Tanacetum 290 



Tansy 290 



Tapegrass 66 



family 66 



Taraxacum 265 



Taxodium 61 



Tea, New Jersey 201 



Tear-thumb 147 



Teasel 262 



family 262 



Tecoma •. . . 254 



Tcphrosia 184 



Teucrium 241 



Thalesia : 255 



Thalictram • 157, 159 



Thaspium 218 



Thistle 292 



Canada 292 



common 292 



musk 292 



pasture 292 



Scotch 292 



sow , 265 



star 293 



swamp 292 



Virginia 292 



Thlaspi 167 



Thorn, Washington 179 



Thorn-apple 247 



Three-seeded mercury 195 



Thyme, basil 245 



creeping 245 



Thyme-leaf speedwell 252 



Thymus 245 



Tiarella 172 



Tick trefoil 185 



Tickle grass 84 



Tickseed, tall 288 



whorled 288 



Tidestrom, 1 15 



Tiger lily 121 



Tilia 202 



Tiliaceae 202 



Timothy 83 



Tiniaria 147 



Tipularia , 132 



Tissa 151 



Tithyraalopsis 196 



Tithymalus 197 



Toad rush 118 



Toad-flax, bastard 143 



blue 250 



Tobacco, Indian 263 



Tofieldia 119 



Tomato 247 



Tooth-cup 212 



Torihs 217 



Touch-me-not, pale 201 



spotted 201 



Tovara 145 



Toxicodendron 198 



Toxylon 141 



Tracaulon 147 



Tradescantia 116 



Tragopogon 264 



Trailing arbutus 222 



