153 Solanum nigrum, L 154 Pysalis angulata, L 155 Datura Stramonium, L 156 Datura Metel, L var 157 Sabbatia paniculata, Pursh 158 Sabbatia angularis, Pursh 159 Sabbatia brancata, Ell 160 Sabbatia calycosa, Pursh 161 Sabbatia gentianoides Ell 163 Sabbatia gracilis, Salish 164 Limnanthemum lacunosum, Griseb 165 Asclepias paupercula, Michx 166 Asclepias quadrifolia, Jacq 167 Asclepias tuberosa, L 168 Asclepias verticillata 169 Boerhavia viscosa, Kag var 170 Phytolacca decandra, L 171 Chenopodium album, L 172 Chenopodium Botrys, L 173 Chenopodium ambrosioides, L 174 Atriplex hastata, L 175 Amaranthus spinosus L 176 Acuida cannabina, L 177 Alternanthera Achyrantha R Br 178 Polygonum acre H B K 179 Polygonum arifolium, L 180 Polygonum incarnatum, Ell 181 Polygonum Pennsylvanicum, L 182 Polygonum sagittatum, L 183 Polygonum setaceum, Baldwin 184 Polygonum aviculare, L 185 Rumex Engelmanni, Ledeb 186 Saururus cernuus, L 187 Ceratophyllum demersum, L 188 Euphorbia cordifolia, Ell 189 Euphorbia ceratola, L 190 Euphorbia marginata, Pursh 191 Euphorbia serpens, H B K 192 Euphorbia serpyllifolia, Pers 193 Euphorbia polygonifolia, L 194 Euphorbia Cyparissias, L 195 Euphorbia comutata, Engel 196 Jatropha urens, L, var stimtlossa J Müller 197 Rucinus communis, L 198 Croton maritimus, Walt 199 Croton Eliottii, Chapm 200 Bohmeria cylindrica, Wildl 201 Quercus aquatica, Catesby 202 Quercus cinerea, Michx 203 Quercus pumila, Michx 204 Quercus coccinea, Wang 205 Quercus falcata, Michx 206 Quercus lyrata, Walt 207 Quercus nigra, L 208 Quercus obnisiola 209 Quercus Phillos, L 210 Quercus prinoides, Wildl 211 Quercus virens 212 Sabal Adansonii, Guerns 213 Aasthosoma sagittifolium, Schott 214 Typha latifolia, L 215 Sparanium ramosum, Huds 216 Sagittaria graminea, Michx 217 Habenaria blephariglottis, Hook 218 Habenaria chiaris, K Br 219 Spiranthes tortilis 220 Spiranthes graminea, Lindl, var Walteri, Gray 221 Spiranthus gracilis, Big 222 Calopogon pulchellus, R Br 223 Hypoxys erecte, L 224 Lachmanthes tinctoria, Ell 225 Aletris farinosa, L 226 Aletris aurea, Walt 227 Tillandsia usneoides, L 228 Iris tripetala, Walt 229 Sisyrinchium mucronatum, M 230 Smilax lanceolata, L 231 Smilax herbacea, L 232 Zygadenus glaberrimus, Michx 233 Tofieldia rubens, Ait 234 Lilium Catesbaei, Walt 235 Pontederia cordata, L 236 Commelina communis, L ? 237 Commelina erecta, L 238 Tradescantia rosea, Vent 239 Mayaca Michauxii, Schott & End 240 Yxis Caroliniana, Walt 241 Yxis torta, Smith 242 Eriocaulon decangularc, L 243 Lachnocaulon Michauxii, Kunth 244 Cyperus compressus, L 245 Cyperus diandrus, Torr 246 Cyperus Engelmanni, Steud 247 Cyperus filiculus, Vahl 248 Cyperus flavescens, L 249 Cyperus flaviocomus, Michx 250 Cyperus Grayii, Torr 251 Cyperus Haspan, L 252 Cyperus retrofractus, Torr 253 Cyperus rotundus, L var Hydra Gray 254 Cyperus stenolepis, Torr 255 Cyperus strigosus, L 256 Cyperus virens, Michv 257 Cyperus Baldwinii, Torr 258 Dulichium spathaceum, Pers 259 Fuirena squarrosa, Michx 260 Eleocharis cellulosa, Torr 261 Eleocharis equisetoides, Torr 262 Eleocharis quadimangulata, R Br 263 Eleocharis tubereulosa, R Br 264 Scirpus Eriphorum, Michx 265 Scirpus maritimus, L 266 Scirpus pungens, Vahl 267 Scirpus Canbyi, Gray 268 Eriophorum Virginicum, L 269 Fimbristylis spadicea, Vahl var castanea, Gray 270 Fimbristylis ciliatifolia 271 Fimbristylis stenophylla 272 Dichromena leucocephala, Michx 273 Dichromena latifolia, Baldw 274 Rhynchospora alba, Vahl 275 Rhynchospora corniculata, Gray 276 Rhynchospora inexpansa, Vahl 277 Rhynchospora pallida, M A Curtis 278 Scleria triglomerata, Michx 279 Carex glaucescens, Ell 280 Carex lupulina, MuhL 281 Carex vulpinoidea, Michx 282 Leersia Virginica, Wildl 283 Leersia hexandra, Swartz 284 Zizania aquatica, L 285 Phleum pratense, L 286 Sporobolus Floridanns, Chapm 287 Sporobolus Indicus, Brown 288 Agrostis verticillata 289 Cinna arundinacea, L 290 Aristida stricta, Michx 291 Aristida purpurascens, Poir 292 Spartina cynosroides, Wildl 293 Spartina polystachya, Wildl 294 Spartina juncea, Willd 295 Ctenium Americanum, Spreng 296 Cynodon Dactylon, Pers 297 Dactyloctenium Ægyptiacum, Wildl 298 Elen sine Indica, Gaertn 299 Tricuspis sosieroides, Torr 300 Glyceria obtusa, Trin 301 Brizopyrum spicatum, Hook 302 Poa annua, L 303 Poa cristata, Walt ? 304 Eragrostis pilosa, Beauv 305 Eragrostis Purshii Schrad 306 Eragrostis tenuis, Gray 307 Eragrostis pectinacea, Gr 308 Bromus secalinus, L 309 Bromus racemosus, L 310 Uniola paniculata, L 311 Uniola gracilis, Michx 312 Elymus Virginicus, L 313 Paspalum distichum, L 314 Paspalum praecox, Walt 315 Paspalum leve, Michx 316 Paspalum Florsdanum, Michx, var glob 317 Paspalum undulatum, Poir 318 Panicum agrostoides, Spreng 319 Panicum amarum, Ell 320 Panicum anceps, Michx 321 Panicum Crus-galli, L 322 Panicum ? molle, Michx 323 Panicum ignotatum, Kunth 324 Panicum colonum 325 Setaria glauca, Beauv 326 Setaria glauca, var levigata 327 Cenchrus myosuroides, H B K 328 Cenchrus tribuloides, L 329 Rottboellia rugosa, Nutt 330 Erianthus alopecuroides, Ell 331 Erianthus contortus 332 Andropogon furcatus, Muht 333 Andropogon scoparius, Michx 334 Andropogon Virginicus, L 335 Andropogon macronurus, Michx 336 Sorghum soccharatum, Pers 337 Sorghum nutans, Gray 338 Lappa rocemosa