326 



INDEX. 



Page. 



Sumac family 198 



fragrant 199 



poison 198 



st aghorn 198 



white 198 



Summer grape 202 



Su i idew 170 



family 170 



Sundrops , 214 



Sunflower 28fi 



common 287 



s wamp 287 



Swamp azalea 223 



beggar-ticks 289 



blackberry 175 



dock 1 44 



goldenrod 278 



loosestrife 212 



lousewort 2.54 



mallow 204 



milkweed. . . : 233 



poplar 1 35 



rose 1 74 



sunflower 287 



thistle 292 



while oak 140 



Sweet alyssum 165 



alder 220 



alder family 220 



bay 161 



birch 1 H7 



cherry 180 



cicely 218 



clover 183 



fern 135 



Hag 114 



gum 173 



pinesap 221 



potato 233 



vernal grass 81 



willium 154 



William, wild 235 



william catchfly 154 



Sweetbells 223 



Sweetbrier 1 74 



Sweet-scented l>cdstraw 258 



goldenrod 278 



Sycamore 1 73 



family 173 



maple 200 



Symphorlcarpos 259 



Symphytum 238 



Symplocarpus Ill 



Syndesmon 157 



Synonyms, citation of 16 



Synosma 291 



Syntherisma 72 



Syringa 227 



Table-mountain pine (il 



Taenidia 218 



Tal inum 150 



TaU blackberry 1 75 



cone-flower 2«6 



goldenrod 278 



oat grass S5 



tickseed 288 



Page. 



Tanacetum 290 



Tansy 29fl 



Tapegrass 06 



family 06 



Taraxacum 2'io 



Tax odium 61 



Tea, New Jersey 201 



Tear-thumb 147 



Teasel 202 



family 202 



Tecoma 254 



Tcphrosia 1 S4 



Teucrium 241 



Thalesia 255 



Thaliclrum 157, 159 



Thaspium 218 



Thistle 292 



Canada 292 



common 292 



musk 292 



pasture 292 



Scotch 292 



sow 205 



star 293 



swamp 292 



Virginia 292 



Thlaspi 107 



Thorn, Washington 179 



Thorn-apple 247 



Three-seeded mercury 195 



Thyme, basil 245 



creeping 245 



Thyme-leaf speedwell 252 



Thymus 245 



Tiarella 1 72 



Tick trefoil 185 



Tickle grass 84 



Tickseed, tall 288 



whorled 288 



Tidestrom, 1 15 



Tiger lily 121 



Tilia 202 



Tiliaceae 202 



Timothy 83 



Tintaria 147 



Tipularla 132 



Tissa 151 



Til hymalopsis 196 



Tithymalus 197 



Toad rush US 



Toad-flax, bastard 143 



blue 250 



Tobacco, Indian 203 



Tofieldia 119 



Tomato 247 



Tooth-cup 212 



Torilis 217 



Touch-me-not, pale 201 



spotted 201 



To vara 145 



Toxicodendron 198 



Toxylon 141 



Tracaulon 147 



Tradeseantia 1 10 



Tragopogon 204 



Trailing arbutus 222 



