Part 103

Datura, 377

Daucus, 201

Day-flower, 538

Dead-nettle, 420

Decodon, 186

Decumaria, 173

Deerberry, 312

Delphinium, 46

Dentaria, 64

Deschampsia, 652

Desmanthus, 149

Desmodium, 138

Devil's-bit, 531

Dewberry, 155

_Deyeuxia_, 650

Dianthera, 401

Dianthus, 83

Diapensia, 326

DIAPENSIACEAE, 326

Diarrhena, 662

Dicentra, 60

Dichondra, 368

Dichromena, 577

Dicksonia, 691

Didiplis, 184

Diervilla, 222

Diodia, 225

Dionaea, 179

Dioscorea, 517

DIOSCOREACEAE, 517

Diospyros, 333

Diphylleia, 53

Diplachne, 658

_Diplopappus_, 263

Diplophyllum, 715

DIPSACEAE, 229

Dipsacus, 229

Dirca, 448

Discopleura, 209

Disporum, 526

Distichus, 663, 735

Dittany, 409

Dock, 437 Prairie, 270 Spatter, 56

Dockmackie, 218

Dodder, 370

Dodecatheon, 328

Dogbane, 338

Dogwood, 214

Draba, 67

Dracocephalum, 416

Dragon-head, 416 False, 419

Dragon-root, 549

Drosera, 178

DROSERACEAE, 178

Dryas, 157

Duck's-meat, 552

Duckweed, 552

Dulichium, 573

Dumortiera, 729

Dutchman's-breeches, 60

Dutchman's-pipe, 445

_Duvalia_, 729

Dyer's-weed, 75

Dysodia, 288

Eatonia, 659

EBENACEAE, 333

Ebony Family, 333

Echinacea, 275

Echinocystis, 195

Echinodorus, 556

Echinospermum, 362

Echium, 367

Eclipta, 274

Eel-grass, 496, 565

Eglantine, 164

ELAEAGNACEAE, 448

Elaeagnus, 448

ELATINACEAE, 91

Elatine, 91

Elder, 217 Box, 118 Marsh, 272 Wild, 213

Elecampane, 269

Eleocharis, 573, 735

Elephantopus, 237

Elephant's-foot, 237

Eleusine, 656

Ellisia, 358

Elm, 462

Elodea, 495

Elodes, 95

Elymus, 673

EMPETRACEAE, 487

Empetrum, 487

Enchanter's Nightshade, 193

Engelmannia, 272

Enslenia, 343

Epigaea, 315

Epilobium, 188

Epipactis, 504

Epiphegus, 394

EQUISETACEAE, 675

Equisetum, 676

Eragrostis, 660

Eranthis, 45

Erechtites, 294

Erianthus, 636

Erica, 318

ERICACEAE, 309

Erigenia, 210

Erigeron, 264

ERIOCAULEAE, 566

Eriocaulon, 566

Eriochloa, 629

Eriogonum, 436, 734

Eriophorum, 582

Erodium, 104

Eryngium, 211

Eryngo, 211

Erysimum, 71

Erythraea, 347

Erythronium, 528

Eulophus, 206

Euonymus, 110

Eupatorium, 239

Euphorbia, 452

EUPHORBIACEAE, 451

Euphrasia, 391

Eustoma, 349

Evax, 267

Evening Primrose Family, 186

Everlasting, 267, 268

Evolvulus, 370

Eyebright, 391

Fagopyrum, 443

Fagus, 479

False-mermaid, 104

Farkleberry, 312

Featherfoil, 328

_Fedia_, 229

_Fegatella_, 729

Fennel, 205 Dog, 239

Fennel-flower, 48

Fern, Beech, 686 Bladder, 689 Chain, 683 Christmas, 689 Cinnamon, 693 Climbing, 692 Cloak, 680 Filmy, 692 Flowering, 693 Lip, 681 Sensitive, 690 Shield, 686 Wood, 686

Ferns, 678

Fescue, 668 Sheep's, 669

Festuca, _666_, 668

Fever-bush, 447

Feverfew, 289

Feverwort, 219

FICOIDEAE, 198

Fig, Indian, 197

Figwort, 380

Filago, 267

Filbert, 473

FILICES, 678

Fimbriaria, 728

Fimbristylis, 577

Fiorin, 647

Fir, 492

Fire-weed, 188, 294

Five-finger, 158

Flag, 513 Cat-tail, 547 Sweet, 551

Flax, 101

Fleabane, 264 Marsh, 266

Floating-heart, 353

Floerkea, 104

Flower-de-luce, 513

Fly-poison, 535

Foeniculum, 205

Fog-fruit, 402

Forestiera, 336

Forget-me-not, 364

_Forsteronia_, 338

Fossombronia, 723

Fothergilla, 179

Four-o'clock, 425

Foxberry, 314

Foxglove, False, 389 Mullein, 338

Foxtail, 634

Fragaria, 158

_Frangula_, 112

Frasera, 352

Fraxinus, 335

Fringe-tree, 337

Froelichia, 430

Frog's-bit, American 496

Frost-weed, 76

Frullania, 704, _706_

Fuirena, 583

Fumaria, 61

FUMARIACEAE, 59

Fumitory, 61 Climbing, 66

Gaillardia, 288

Galactia, 146

Galax, 327

Gale, Sweet, 469

Galeopsis, 421

Galingale, 569

Galinsoga, 234, 286

Galium, 225

Gall-of-the-earth 301

Garget, 436

Garlic, 521

Gaultheria, 315

Gaura, 192

Gaylussacia, 311

Gelsemium, 345

Genisca, 127

Gentian, 349 Horse, 219 Spurred, 352

Gentiana, 349

GENTIANACEAE, 346

Geocalyx, 715

GERANIACEAE, 102

Geranium, 103 Feather, 433

Gerardia, 388

Germander, 406

Geum, 156

Gilia, 356

Gillenia, 154

Gill-over-the-ground, 416

Ginger, Wild, 444

Ginseng, 212

Glasswort, 434

Glaucium, 58

Glaux, 331

Gleditschia, 148

Globe-flower, 45

Glyceria, 666, _668_

Glycyrrhiza, 137

Gnaphalium, 268

Goat's-beard 153, 298 False, 169

Goat's-rue, 133

Golden-club, 551

Goldenrod, 246 False, 253 Rayless, 245

Goldthread, 45

Gonolobus, 344

Good-King-Henry 432

Goodyera, 503

Gooseberry, 174

Goosefoot, 431

Gordonia, 93

Gourd Family, 194

Gout-weed, 208

GRAMINEAE, 623

Grape, 113

Grape Hyacinth, 523

Graphephorum, 666

Grass Family, 623

Grass, Barnyard 633 Beak, 584 Bear, 524 Beard 636, 637, 648 Bengal, 634 Bent, 647, 648, 649 Bermuda, 654 Blue, English, 664 Blue, Kentucky, 665 Blue-eyed, 515 Blue-joint, 650, 671 Blue-stem, 671 Bottle, 634 Bottle-brush, 674 Brome, 669 Buffalo, 657 Bur, 634 Canary, 638 Catchfly, 636 Cat's-tail, 644 Cord, 627 Cotton, 582 Couch, 671 Crab, 630, 656 Cut, Rice, 636 Deer, 183 Ditch, 564 Dog's-tail, 656 Drop seed, 643, 645 Eel, 496, 565 Feather, 641 Fescue, 668 Finger, 630 Foxtail, 634, 645 Gama, 635 Goose, 226, 668 Hair, 644, 648, 652 Hedgehog, 634 Herds, 645, 647 Holy, 639 Hungarian, 634 Indian, 638 Joint, 629 June, 665 Lyme, 673 Manna, 666 Marsh, 627 Meadow 663, 665, 667 Melic, 662 Millet, 642 Muskit, 655 Oat, 641, 651, 654 Old-witch, 630 Orange, 95 Orchard, 663 Panic, 629 Pigeon, 634 Porcupine, 641 Quaking, 663 Quick, or Quitch, 671 Rattlesnake, 667 Ray, 671 Redtop, 647, 657, 665 Reed, 627, 649 Rib, 423 Ribbon, 639 Ripple, 423 Rush, 645 Rye, 671, 673 Salt, 627 Sand, 658 Scorpion, 364 Scurvy, 71 Scutch, 654 Seneca, 639 Sesame, 635 Shave, 677 Soft, 652 Spear 663, 665, 668 Spike, 662, 663 Squirrel-tail, 672 Star, 512, 516 Sweet Vernal, 639 Tape, 496 Thin, 648 Timothy, 645 Toothache, 657 Triple-awned, 639 Umbrella, 583 Vanilla, 652 Velvet, 652 Wheat, Awned, 672 White, 336 Whitlow, 67, 68 Wire, 656, 664 Wood, 638 Worm, 346 Yard, 656 Yellow-eyed, 537

Grass of Parnassus, 173

Grass wrack, 565

Gratiola, 384

Greenbrier, 519

Green-dragon, 549

Greenweed, Dyer's, 127

Grimaldia, 729

Grindelia, 244

Gromwell, 365 False, 366

Groundnut, 144, 213

Groundsel, 292

Groundsel tree, 266

Guelder rose, 218

Gum-tree, 215 Sweet, 180

Gutierrezia, 243

Gymnocladus, 148

Gymnomitrium, _721_, 722

Gymnopogon, 655

_Gymnostichum_, 674

Gypsophila, 83

Habenaria, _506_, 506

Hackberry, 463

Hackmatack, 493

HAEMODORACEAE, 512

Halenia, 352

Halesia, 334

HALORAGEAE, 180

HAMAMELIDEAE, 179

Hamamelis, 179

Harbinger-of-spring, 210

Hardhack, 153

Harebell, 308

Harpanthus, 717

Hart's-tongue, 685

Haw, 166 Black, 219

Hawkbit, 298

Hawkweed, 299

Hawthorn, 165

Hazel, Witch, 179

Hazelnut, 473

Heal-all, 419

Heart's-ease, 78, 81

Heather, 318

Heath Family, 309

Hedeoma, 412

Hedysarum, 138

Helenium, 237

Heleochloa, 644

Helianthemum, 76

Helianthus, 277

_Heliophytum_, 362

Heliopsis, 275

Heliotropium (Heliotrope), 361

Hellebore, 45 False, 533

Helleborus, 45

Helonias, 531

Hemerocallis, 523

Hemicarpha, 583

Hemlock, 209, 492 Ground, 494 Water, 208

HEMODORACEAE, 512

Hemp, 463 Indian, 338 Water, 429

Henbane, 376

Hepatica, 34, 38

HEPATICAE, 702

Heracleum, 202

Herb-Robert, 103

Herba-impia, 267

Herberta, 709

Hercules' Club, 213

Herpestis, 383

Hesperis, 71

Heteranthera, 536

Heterotheca, 244

Heuchera, 171

Hexalectris, 501

Hibiscus, 100

Hickory, 468

Hieracium, 299

Hierochloe, 639

High-water Shrub, 272

Hippuris, 182

Hobble-bush, 217

Hoffmanseggia, 148

Hogweed, 273

Hoicus, 652

Holly, 107 Dahoon, 108 Mountain, 109

Holosteum, 87

Honewort, 207

Honeysuckle, 220 Bush, 222

_Honkenya_, 86

Hop, 464

Hop tree, 107

Hordeum, 672

Horehound, 419 Black, 420 Fetid, 420 Water, 408

Hornbeam, 474 Hop, 474

Hornwort, 488

Horse-brier, 520

Horse-chestnut, 115

Horseradish, 70

Horse-sugar, 335

Horsetail, 676

Horse-weed, 265

Hosackia, 130

Hottonia, 328

Hound's-tongue, 362

Houstonia, 222

Huckleberry, 311 Squaw, 312

Hudsonia, 76

Humulus, 464

Huntsman's-cup, 57

Hyacinth, Grape, 523 Wild, 523

Hydrangea, 173

Hydrastis, 48

HYDROCHARIDACEAE, 495

Hydrocotyle, 210, 733

Hydrolea, 360

HYDROPHYLLACEAE, 357

Hydrophyllum, 357

Hymenocallis, 516

Hymenopappus, 286

Hyoscyamus, 376

HYPERICACEAE 92

Hypericum, 92

Hypoxis, 516

Hyssopus (Hyssop) 409 Giant, 415 Hedge, 384

Ilex, 107

ILICINEAE, 107

ILLECEBRACEAE 426

Ilysanthes, 385

Impatiens, 105

Indian-physic 154

Indian-pipe 325

Indian-poke 534

Indigo, 133 False, 125, 131 Wild, 125

Indigofera, 133

Inkberry, 109

Innocence, 223

Inula, 269

Ionidium, 81

Ipecac, American 154

Ipomoea, 368

Iresine, 429

IRIDACEAE, 513

Iris, 513, 735

Ironweed, 238

Iron-wood, 474

Isanthus, 406

Isoetes, 698

Isopyrum, 44

Itea, 174

Iva, 272

Ivy, American, 115 Ground, 416 Poison, 119

Jacob's-ladder, 357

Jamestown-weed, 377

Jatropha, 457

Jeffersonia, 53

Jessamine, Yellow, 345

Jewel-weed, 105

Joe-Pye Weed, 239

Jubula, 706

Judas-tree, 147

JUGLANDACEAE 467

Juglans, 467

JUNCACEAE, 539

Juncus, 540

Juneberry, 166

Jungermannia, _710-712, 714, 715, 717, 718_, 718, _722_

JUNDERMANNIACEAE, 702

Juniperus (Juniper), 494

JUSSIAEA, 187

Kalmia, 310, 319

Kantia, 713

Ketmia, Bladder, 100

King-nut, 468

Kinnikinnik, 214

Knapweed, 297

Knawel, 427

Knotweed, 439

Knotwort Family, 426

Kochia, 431

Koeleria, 659

Kosteletzkya, 100

Krigia, 297

Krynitzkia, 363

Kuhnia, 241

Kyllinga, 573

LABIATAE, 403

Lachnanthes, 512

Lachnocaulon, 567

Lactuca, 303

Lady's-mantle, 161

Lady's-slipper, 510

Lady's-thumb, 441

Lady's-tresses, 501

Lambkill, 319

Lamb's-quarters, 432

Lamium, 420, 734

Lampsana, 297

Laportea, 465

Larch, 492

Larix, 492

Larkspur, 46

Lathyrus, 143

LAURACEAE, 446

Laurel, 319, 321 American, 319 Ground, 315 Mountain, 319

Laurestinus, 217

Lavender, Sea, 327

Lead-plant, 131

Leadwort Family, 327

Leaf-cup, 269

Leather-flower, 36

Leather-leaf, 317

Leatherwood, 448

Leavenworthia, 63

Lechea, 77

Ledum, 321

Leek, Wild, 521

Leersia, 636

LEGUMINOSAE, 122

Leiophyllum, 322

Lejeunea, 707

Lemna, _552_, 552

LEMNACEAE, 551

LENTIBULARIACEAE, 395

Leontodon, 298

Leonuras, 420

Lepachys, 277

Lepidium, 73

Lepidozia, 710

_Lepigonum_, 89

Leptocaulis, 209

Leptochloa, 656, _658_

_Leptopoda_, 287

Lepturus, _655_, 672

Lespedeza, 141

Lesquerella, 68

Lettuce, 303 Lamb, 228 White, 301

_Leucanthemum_, 289

Leucothoe, 317

Lever-wood, 474

Liatris, 242, _243_

Ligusticum, 204

Ligustrum, 337

LILIACEAE, 517

Lilium, 529

Lily, 529 Atamasco, 516 Blackberry, 515 Day, 523 Pond, 56 Water, 55

Lily-of-the-valley, 524

Limnanthemum, 353

Limnobium, 496

Limosella, 384

LINACEAE, 101

Linaria, 379

Linden, 101

Lindera, 447

Ling, 318

Linnaea, 219

Linum, 101

Liochlaena, 718

Lion's-foot, 301

Liparis, 499

Lipocarpha, 584

Lippia, 402

Liquidambar, 179, 180

Liquorice, 137 Wild, 226

Liriodendron, 50

Listera, 501

Lithospermum, 365

Litsea, 447

Littorella, 424

Live-forever, 178

Liver-leaf, 38

Liverworts, 702

Lizard's-tail, 446

LOASACEAE, 193

Lobelia, 305

LOBELIACEAE 305

Loblolly-bay, 96

Locust, 134 Honey, 148 Water, 149

LOGANIACEAE, 345

Loiseleuria, 322

Lolium, 671

Lonicera, 220

Loosestrife, 185, 330 False, 187 Swamp, 186

Lophanthus, 415

Lophiola, 512

Lophocolea, 715

Lopseed, 403

LORANTHACEAE, 449

Lousewort, 392

Lovage, 202

Lucerne, 129

Ludwigia, 187

Lungwort, 363

Lunularia, 730

Lupinus (Lupine), 128

Luzula, 546

Lychnis, 85

Lycium, 376

Lycopsis, 367

LYCOPODIACEAE, 695

Lycopodium, 695

Lycopus, 408

Lygodesmia, 302

Lygodium, 692

Lysimachia, _330_, 330

LYTHRACEAE, 184

Lythrum, 185

Maclura, 464

Madder Family, 222

_Madotheca_, 708, 709

Magnolia, 49

MAGNOLIACEAE, 49

Maianthemum, 526

Maidenhair, 680

Mallow, 97 False, 98 Glade, 98 Indian, 99 Marsh, 97 Rose, 100

Malva, 97

MALVACEAE, 96

Malvastrum, 98

Mamillaria, 197

Mandrake, 53

Man-of-the-earth, 369

Maple, 117 Ash-leaved, 118

Marchantia, 727

MARCHANTIACEAE, 727

Mare's-tail, 182

Marigold, Bur, 284 Fetid, 288 Marsh, 44 Water, 285

Marjoram, Wild, 411

Marrubium, 419

Marshallia, 286

Marsilia, 700

MARSILIACEAE, 700

Marsupella, 721

Martynia, 399

Marvel-of-Peru, 425

_Mastigobryum_, 710

Matricaria, 289

Matrimony-vine, 376

Mayaca, 538

MAYACEAE, 537

May-apple, 53

Mayflower, 315

May-weed, 288

Meadow-beauty, 183

Meadow-sweet, 153

Medeola, 529

Medicago, 129

Medick, 129

Melampyrum, 393

Melanthium, 533

MELASTOMACEAE, 183

Melica, 662, 735

Melilotus (Melilot), 129

Melissa, 412

Melothria, 196

MENISPERMACEAE, 51

Menispermum, 51

Mentha, 407

Mentzelia, 193

Menyanthes, 353

Menziesia, 319

Mercury, Three-seeded, 459

Mermaid-weed, 181

Mertensia, 363

Metzgeria, 724

Mezereum, 448

Mieranthemum, 385

Microstylis, 498

Mignonette, 75

Mikania, 239

Milfoil, 289 Water, 181

Milium, 642

Milkweed, 339 Green, 343

Milkwort, 120

Milkwort, Sea 331

Millet, 642

Mimulus, 382

Mint, 407 Cat, 416 Horse, 413 Mountain, 409 Pepper, 407 Spear, 407

Mirabilis, 425

Mist-flower, 241

Mistletoe, 450 False, 449

Mitchella, 224

Mitella, 171

Mitreola, 346

Mitrewort, 171, 346 False, 171

Moccason-flower, 510

Mocker-nut, 468

Modiola, 100

Mollugo, 198

Monarda, 413

Moneses, 323

Moneywort, 331

Monkey-flower, 382

Monkshood, 46

Monotropa, 325

_Montelia_, 429

Moonseed, 51

Moonwort, 693

Moosewood, 443

Morning-glory, 368

Morus, 464

Moschatel, 216

Moss, Black, or Long, 411 Club, 695, 697 Flowering, 326

Motherwort, 420

Mouse-tail, 40

Mudwort, 384

Mugwort, 291

Muhlenbergia, 643

Mulberry, 464 French, 403

_Mulgedium_, 304,305

Mullein, 379

Munroa, 659

Muscari, 523

Mustard, 72 Hedge, 71, 72 Tansy, 72 Tower, 66 Treacle, 71 Wormseed, 71

Mylia, 717

Myosotis, 364

Myosurus, 40

Myrica, 469

MYRICACEAE, 469

Myriophyllum, 181

Myrtle, Sand, 322 Wax, 469

_Nabalus_, 301, 302

Naiad, 565

NAIADACEAE, 557

Naias, 565

Napaea, 98

Nardia, 721

_Nardosmia_, 292

Narthecium, 532

Nasturtium, 69

Neckweed, 387

Negundo, 118

_Nelumbium_, 55

Nelumbo, 55

Nemastylis, 514

Nemopanthes, 109

Nemophila, 358

Nepeta, 416

_Nesaea_, 186

Nettle, 464 Dead, 420 False, 466 Hedge, 421 Hemp, 421 Horse, 374 Spurge, 457 Wood, 465

Nettle-tree, 463

Nicandra, 376

Nicotiana, 377

Nigella, 48

Nightshade, 373 Enchanter's, 193

Nimble-Will, 644

Ninebark, 153

Nipplewort, 297

Nonesuch, 130

Notholaena, 680

Nothoscordum, 522

Notothylas, 727

Nuphar, 56

NYCTAGINACEAE, 54

Nymphaea, 55

NYMPHAEACEAE, 54

Nyssa, 215

Oak, 475 Jerusalem, 433 Poison, 119

Oakesia, 528

Oat, 653 Sea, 662 Water, 636 Wild, 654

Obolaria, 353

Odontoschisma, 713

OEnothera, 190

Oil-nut, 451

Oldenlandia, 224

OLEACEAE, 335

Oleaster Family, 448

Olive Family, 335

ONAGRACEAE, 186

Onion, 521

Onoclea, 690

Onopordon, 297

Onosmodium, 366

OPHIOGLOSSACEAE, 693

Ophioglossum, 695

Opuntia, 197

Orache, 433

Orange, Mock, 174 Osage, 464

Orange-root, 48

ORCHIDACEAE, 497

Orchis, 498, 506 Crane, fly, 499 Rein, 506 Showy, 506

Origanum, 411

Ornithogalum, 523

OROBANCHACEAE, 393

Orobanche, 395, 734

Orontium, 551

Orpine, 177

Orthocarpus, 391

Oryzopsis, 642

Osier, 480

Osmorrhiza, 210

Osmunda, 692

Ostrya, 474

Oxalis, 105

Ox-eye, 275, 289 Sea, 277

Oxybaphus, 425

Oxydendrum, 316

Oxyria, 437

Oxytropis, 137

Oyster-plant, 298

Pachysandra, 456

Pachystima, 110

Paepalanthus, 567

Painted-cup, 390

Pallavicinia, 723

_Pancratium_, 516

Panicum, 629

Pansy, 81

Papaver, 59

PAPAVERACEAE, 57

Papaw, 50

Pappoose root, 53

_Pardanthus_, 515

Parietaria, 466

Parnassia, 173

Paronychia, 426

Parsley Family, 198

Parsley, Fool's, 205 Hemlock, 202

Parsley-piert, 161

Parsnip, 202 Cow, 202 Meadow, 204 Water, 207

Parthenium, 272

Partridge Berry, 224

Paspalum, 628

Pasque-flower, 37

Passiflora, 194

PASSIFLORACEAE, 194

Passion flower, 194

Pea, Beach, 143 Butterfly, 145 Everlasting, 143 Hoary, 133 Milk, 146 Partridge, 148

Peanut, Hog, 146

Pear, 164 Alligator, 446 Prickly, 197

Pearlwort, 88

Pecan-nut, 468

PEDALIACEAE, 399

Pedicularis, 392

Pellaea, 682

Pellia, 724

Pellitory, 466

Peltandra, 549

Pennycress, 73

Pennyroyal, American, 412 Bastard, 405 False, 406 Mock, 412

Pennywort, Water, 210

Penthorum, 176

Pentstemon, 381

Pepper Family, 446

Pepper, Water, 441

Pepper-bush, 322

Peppergrass, 73

Pepperidge, 215

Peppermint, 407

Pepper-root, 64

Pepperwort, 73

Perilla, 407

Periploca, 339

Persea, 446

Persimmon, 333

Petalostemon, 132

Petasites, 292

_Petroselinum_, 208

Peucedanum, 203

Phacelia, 359

Phalaris, 638

Phaseolus, 144, _145_

Pheasant's-eye, 48

Phegopteris, 686

_Phelipaea_, 395

Philadelphus, 174

Phleum, 644

Phlomis, 420

Phlox, 354

Phoradendron, 449

Phragmites, 658

Phryma, 403

Phyllanthus, 457

_Phyllodice_, 318

Physalis, 375

Physocarpus, 153

Physostegia, 419

Phytolacca, 436

PHYTOLACCACEAE, 435

Picea, 491

Pickerel-weed, 536

Picris, 299

Pigeon berry, 436

Pig nut, 469

Pigweed, 428, 431 Winged, 431

Pilea, 465

Pimpernel, 331 False, 385 Water, 332

Pimpinella, 206

Pine, 490 Ground, 697

Pine-apple, Family, 511

Pine-drops, 325

Pine sap, 325

Pine weed, 95

Pinguicula, 397

Pink, 83, 84 Fire, 84

Pink-root, 346

Pinus, 490, 734

Pinweed, 77

Pinxter flower, 320

PIPERACEAE, 446

Pipe vine, 445

Pipewort, 566 Hairy, 567

Pipsissewa, 322

Pitcher-plant, 57

Plagiochila, 717

Plane-tree Family, 466

Planer-tree, 463

PLANTAGINACEAE, 422

Plantago, 422

Plantain, 422 Indian, 294 Mud, 536 Rattlesnake, 503 Robin's, 266 Water, 554

PLATANACEAE, 466

Platanus, 466

_Pleuranthe_, 718

Pleurisy-root, 340

Pleurogyne, 352

Plucea, 266

Plum, 151 Date, 333

Plum, Ground, 135 Red, 151

PLUMBAGINACEAE, 327

Poa, 663

Podophyllum, 53

PODOSTEMACEAE, 444

Podostemon, 444

Pogonia, 505

Pokeweed, 436

Polanisia, 74

POLEMONIACEAE, 354

Polemonium, 356

Polygala, 120

POLYGALACEAE, 120

POLYGONACEAE, 436

Polygonatum, 524

Polygonella, 443

Polygonum, 439, _443_

Polymnia, 269

Polypodium, 680

Polypody, 680

Polypogon, 648

Polypremum, 345

Polytaenia, 203

Pomme-blanche, 131

Pond spice, 447

Pondweed, 558 Horned, 565

Pontederia, 536

PONTEDERIACEAE, 535

Poplar, 486 White, 50

Poppy, 59 Celandine, 58 Corn, 59 Horn, 58 Mexican, 59 Prickly, 59

Populus, 486

Porella, 708

Portulaca, 90

PORTULACACEAE, 90

Potamogeton, 558

Potato vine, Wild, 369

Potentilla, 158

Poterium, 161

Preissia, 728

Prenanthes, 300

Prim, 337

Primrose, 329 Evening, 190

Primula, 329

PRIMULACEAE, 328

Prince's-feather, 441

Prince's-pine, 323

_Prosartes_, 527

Psilocarya, 577

Psoralea, 130

Ptelea, 107

Pteris, 681

Pterospora, 325

Ptilidium, 709

Puccinellia, 668

Puccoon, 365 Yellow, 48

Pulse, Family, 122

Purslane, 90 Sea, 198 Water, 184, 188

Putty-root, 499

Pycnanthemum, 409

Pyrola, 323

Pyrrhopappus, 303

Pyrularia, 451

Pyrus, 164

Pyxidanthera, 326

Pyxie, 326

_Quamoclit_, 368

Queen-of-the-prairie, 153

Quercus, 475

Quillwort, 698

Radish, 74

Radula, 707

Ragged-Robin, 85

Ragweed, 273

Ragwort, 293

Ramsted, 379

RANUNCULACEAE, 34

Ranunculus, 40

Rape, Broom, 395

Raphanus, 74

Raspberry, 154

Rattlebox, 127

Rattlesnake-master, 211

Rattlesnake-root, 300

Rattlesnake-weed, 299

_Reboulia_, 729

Redbud, 147

Red-root, 112, 512

Redtop, 647 False, 665 Tall, 667

Reed, 658 Bur, 547

Reseda, 75

RESEDACEAE, 75

RHAMNACEAE, 111

Rhamnus, 111

Rheumatism-root, 53

Rhexia, 183

Rhinanthus, 392

Rhododendron, 320

_Rhodora_, 321

Rhus, 118

Rhynchosia, 147

Rhynchospora, _577_, 584

Ribes, 174

Ribgrass, 423

Ribwort, 422

Riccia, 730

RICCIACEAE, 730

Rice, Indian, 635 Water, 635

Richweed, 407, 465

Ricinus, 460

Riverweed, 444

Robinia, 134

Rocket, 71 Dyer's, 75 Sea, 74 Yellow, 70

Rock-rose, 76

Rosa, 162

ROSACEAE, 150

Rose, 162 Cotton, 267 Guelder, 218 Rock, 76

Rosebay, 320

Rosemary, Marsh, 327

Rosin-weed, 270

Rotala, 184

Rottboellia, 636

Roubieva, 433

RUBIACEAE, 222

Rubus, 154

Rudbeckia, 276

Rue Family, 106

Rue, Meadow, 39

Ruellia, 400

Rumex, 437

Ruppia, 564

Rush, 540

Rush, Bald, 577 Bog, 540 Club, 578 Horned, 586 Nut, 586 Scouring, 676 Spike, 573 Twig, 586 Wood, 546

RUTACEAE, 106

Rye, Wild, 673

Sabbatia, 347

Sage, 412 Jerusalem, 420 Wood, 406

Sagina, 88

Sagittaria, 554, 735

St. Andrew's-cross, 92

St. John's-wort, 92 Marsh, 95

St. Peter's-wort, 92

SALICACEAE, 480

Salicornia, 434

Salix, 480

Salmon-berry, 154

Salsify, 298

Salsola, 435, 734

Saltwort, 435

Salvia, 412

Salvinia, 701

SALVINIACEAE, 701

Sambucus, 217

Samolus, 332

Samphire, 434

Sandal-wood Family, 450

Sandweed, Sea, 651

Sandwort, 85

Sanguinaria, 58

Sanicula (Sanicle), 212

SANTALACEAE, 450

SAPINDACEAE, 115

Sapindus, 116

Sapodilla Family, 332

Saponaria, 83

SAPOTACEAE, 332

_Sarcoscyphus_, 721

Sarracenia, 57

SARRACENIACEAE, 57

Sarsaparilla, 212, 213

Sassafras, 447

Satureia, 411

Saururus, 446

Savin, 494

Savory, 411

Saxifraga, 169

SAXIFRAGACEAE, 168

Saxifrage, 169 Golden, 172

Scabiosa (Scabious), 229, 733

Scale-mosses, 702

Scapania, 713

Schedonnardus, 655

Scheuchzeria, 558

Schizaea, 690

_Schollera_, 536

Schrankia, 149

Schwalbea, 391

Schweinitzia, 325

_Scilla_, 523

Scirpus, _576_, 578, _582_

Scleranthus, 427

Scleria, 586

Sclerolepis, 238

Scolochloa, 666

Scolopendrium, 685

Scrophularia, 380

SCROPHULARIACEAE, 377

Scutellaria, 416

Sedge, 587

Sedge Family, 567

Sedum, 177

Seed-box, 187

Selaginella, 697

SELAGINELLACEAE, 697

Selenia, 63

Self-heal, 418

_Sendtnera_, 710

Senebiera, 74

Senecio, 292

Senna, 147

Sensitive-brier, 149

Sensitive-plant, Wild, 148

Sericocarpus, 254

Service-berry, 166

Sesuvium, 198

Setaria, 634

Seymeria, 388

Shad-bush, 166

Sheep-berry, 219

Shepherdia, 449

Shepherd's-purse, 73

Sherardia, 227

Shin-leaf, 323

Shooting-star, 329

Sibbaldia, 161

Sickle-pod, 66

Sicyos, 195

Sida, 99

Side-saddle Flower, 57

Silene, 83

Silkweed, 339

Silphium, 270

Silver-bell Tree, 334

Silver-berry, 449

Silver-weed, 160

_Sinapis_, 72

Sisymbrium, 71

Sisyrinchium, 515, 735

Sium, 207, _207_

Skullcap, 416

Skunk-cabbage, 550

Sloe, 152

Smartweed, 441

Smilacina, 525, _526_

Smilax, 519

Snake-head, 381

Snake-root, 47 Black, 212 Button, 211, 242 Seneca, 120 Virginia, 445 White, 241

Snapdragon, 380

Sneezeweed, 287

Sneezewort, 289

Snowball-tree, 218

Snowberry, 220 Creeping, 314

Snowdrop, 334

Soapberry, 116

Soapwort, 83

SOLANACEAE, 373

Solanum, 373

Solea, 81

Solidago, 246 _altissima_, 249 arguta, 250, _250_ bicolor, 247 Bigelovii, 247 Boottii, 250 caesia, 247 Canadensis, 251 Curtisii, 247 Drummondii, 252 Elliottii, 250 _elliptica_, 250 _gigantea_, 251 Houghtonii, 252 humilis, 248 juncea, 250 lanceolata, 252 latifolia, 247 Lindheimeriana, 247 _linoides_, 250 macrophylla, 247 Missouriensis, 251 monticola, 247 _Muhlenbergii_, 250 neglecta, 250 nemoralis, 251 odora, 249 Ohioensis, 252 patula, 249 petiolaris, 246 pilosa, 249 puberula, 248 radula, 251 Riddellii, 252 rigida, 252 rugosa, 249 rupestris, 251 sempervirens, 248 serotina, 251, _251_ Shortii, 251 speciosa, 249 squarrosa, 246 stricta, 248, _249_ tenuifolia, 252 _thyrsoidea_, 248 tortifolia, 249 uliginosa, 249 ulmifolia, 250 virgata, 248 Virgaurea, 248

Solomon's-seal, 524 False, 525

Sonchus, 305

Sophora, 127

Sorrel, 437 Mountain, 437 Wood, 105

Sorrel-tree, 316

Sour-gum, 215

Sour-wood, 316

Spanish-bayonet, 524

Spanish-needles, 285

Sparganium, 547

Spartina, 627

Spatter-dock, 56

Spearmint, 407

Spearwort, 41

Specularia, 308

Speedwell, 386

Spergula, 90

_Spergularia_, 89

Spermacoce, 225

Sphaeralcea, 99

Sphaerocarpus, 732

_Sphagnoecetis_, 713

Spice-bush, 447

Spiderwort, 539