324 



INDEX. 



Page. 



Sage, nettle-leaf 244 



Sagina 153 



Sagittaria 65 



Sago pond weed 64 



St. Andrew's cross 201 



St. John's-wort 204 



common 205 



family 201 



marsh 205 



shrubby 204 



St. Peter's-wort 204 



Salad burnct 177 



corn 261 



Salicaceae 132 



Salomonia 124 



Salsify 264 



Salsola 148 



Saltwort 148 



Salvia 214 



Sambueus 261 



Samolus 225 



Sand blackberry 175 



grape 202 



spurry 151 



vine 231 



Sandalwood family 143 



Sandbar willow 133 



Sandbur SO 



Sandwort 153 



Sanguinaria 1(12 



Sanguisorba 177 



Sanieula 217 



Santalaceae 1 43 



Supiudaceae 201 



Saponaria 155 



Sarothra 205 



Sarracenia 170 



Sarraceniaceae 170 



Sarsaparilla, wild 215 



Sassafras 162 



Satureja 244, 245 



Saul's oak 140 



Saururaceae 132 



Samurus 132 



Saxifraga 172 



Saxifragaceae 171 



Saxifrage _ . . 172 



family 171 



Scandix 215 



Scarlet oak HO 



Schizachyrium 72 



subgenus 71 



Schizaeaceao ,')3 



Schmaltzia 199 



Sckollera 117 



Scilla 120 



Sclrpus 95, 96 



Scloranthus 151 



Scleria 99 



Scorpion-grass 238 



Scotch fir. 01 



thistle 292 



Scott's splccnwort 55 



Scouring-i'iish 5^ 



Scrophularia 250 



Scrophulariaceae 24N 



Page 



Scrub chestnut oak 140 



pine 61 



Sen tollaria 24 1 



Seaman, Win. II 13 



Secale , , 91 



Sedge, broom 72 



family 92 



Sedum 171 



Seed-box 213 



Selaginella family 60 



Selaginellaccae 60 



Seneca snakeroot 193 



Senccio 291 



Semia family igo 



^'ild 180 



Sensitive fern 54 



Pea 181 



Serapias 130 



Sericocarpus 078 



Ser viceberry 173 



Sesoli 215 



Setaria gg 



Setiscapella 255 



Shadbush 173 



Shag-bark hickory ■ 136 



Sheep fescue 89 



laurel 223 



sorrel 144 



Shell-bark hickory 135 



Shepherd 's-purse 165 



Sherardia 257 



Shield-fern, marginal 53 



Shi ngle oak 1 39 



Shining bedstraw 258 



Shinleaf 221 



family 220 



Shooting star 227 



Siberian crab apple 177 



Sickle-pod jgg 



Sicyos 262 



Sida 203 



Silenaceae 153 



Silcne 153 



Silky willow 134 



Silphium 285 



Silver aster 281 



maple 200 



poplar 135 



Silver-rod 276 



Silver-weed 175 



Silvery spleemvort 56 



Simaroubaceae 193 



Sinapis 170 



Sisymbrium ioe 167 



Sisyrinchiiim 12a 



Sium 219 



Skeels, H. C 14 



Skeleton-weed 265 



Skullcap 241 



mad-dog 242 



Skunk cabbage H4 



Sleepy catchfly 154 



Slender violet 210 



Small cane 92 



Smartweed i4fi 



dodder 23fi 



