Monotropa, Hypopitys, 404 uniflora, 406 Myosotis palustris, 440 Myrica asplenifolia, 534 MYRICACEÆ, 534 N Nepeta, Cataria, 494 Glechoma, 492 Nuphar advena, 36 Nymphæa odorata, 38 NYMPHÆACEÆ 36 O Oakesia sessilifolia, 578 Œnothera, biennis, 196 pumila, 194 ONAGRACEÆ, 194 ORCHIDACEÆ, 536 Orchis spectabilis, 536 OROBANCHACEÆ, 484 Orontium aquaticum, 602 Osmorrhiza longistylis, 206 Oxalis corniculata, 100 P PAPAVERACEÆ, 42 Parnassia Caroliniana, 186 Pastinaca sativa, 216 Pedicularis, Canadensis, 452 lanceolata, 454 Phryma Leptostachya, 490 Phytolacca decandra, 518 PHYTOLACCACEÆ, 518 Podophyllum peltatum, 34 Pogonia ophioglossoides, 544 Polygala, paucifolia, 112 sanguinea, 114 POLYGALACEÆ, 112 POLYGONACEÆ, 520 Polygonatum giganteum, 590 Polygonum, amphibium, 526 Pennsylvanicum, 524 sagittatum, 522 Pontederia cordata, 596 PONTEDERIACEÆ, 596 Potentilla, argentea, 174 arguta, 172 Canadensis, 170 fructicosa, 176 Prenanthes, alba, 308 altissima, 310 PRIMULACEÆ, 408 Pyrola, elliptica, 392 secunda, 394 Pyrus arbutifolia, 44 R RANUNCULACEÆ, 1 Ranunculus, acris, 24 Pennsylvanicus, 26 septentrionalis, 22 RHAMNACEÆ, 108 Rhododendron, nudiflorum, 378 viscosum, 380 Ribes floridum, 184 Rosa, blanda, 152 humilis, 50 rubiginosa, 148 ROSACEÆ, 144 RUBIACEÆ, 238 Rubus, Canadensis, 156 hispidus, 158 odoratus, 160 villosus, 154 Rudbeckia hirta, 278 Rumex Acetosella, 520 S Sagittaria variabilis, 610 Sambucus Canadensis, 234 Sanguinaria Canadensis, 42 Sanicula Marylandica, 210 Saponaria officinalis, 84 Sarracenia purpurea, 40 SARRACENIACEÆ, 40 Saxifraga Virginiensis, 178 SAXIFRAGACEÆ, 178 SCROPHULARIACEÆ, 452 Sedum Telephium, 188 Senecio aureus, 256 Sicyos angulatus, 204 Silene noctiflora, 86 Sisyrinchium angustifolium, 566 Smilacina, racemosa, 582 trifolia, 580 Smilax herbacea, 584 SOLANACEÆ, 450 Solanum Dulcamara, 450 Solidago, bicolor, 320 cæsia, 332 Canadensis, 324 juncea, 322 lanceolata, 318 latifolia, 330 nemoralis, 328 speciosa, 326 Sonchus, asper, 292 oleraceus, 294 Sparganium simplex, 598 Specularia perfoliata, 364 Spiræa, salicifolia, 162 tomentosa, 164 Spiranthes, præcox, 562 Romanzoffiana, 560 Steironema ciliatum, 414 Stellaria, longifolia, 80 media, 78 Symphoricarpos racemosus, 236 Symplocarpus fœtidus, 600 T Tanacetum vulgare, 276 Taraxacum officinale, 248 Thalictrum, dioicum, 10 polygamum, 12 THYMELÆACEÆ, 532 Tiarella cordifolia, 182 Tricostema dichotomum, 516 Trientalis Americana, 408 Trifolium, agrarium, 132 arvense, 134 hybridum, 128 pratense, 130 repens, 126 Trillium, cernuum, 574 erectum, 572 Tussilago Farfara, 250