INDEX 



Downy Wood 287 



Family 272 



Field. 291 



Geranium 378 



Horse 286 



Narrow-leaved 



Mountain. . . . .289 

 Virginia Mountain . 289 



Wood 287 



Missouri Gooseberry . 143 



Wild Gourd 327 



Mist Flower 342 



Mitchella repens 318 



Mitella diphylla 140 



nuda 140 



Miterwort 140 



Mithradate Mustard. 125 



Moccasin Flower 68 



Monarda Bradburiana 



286 



Bradbury 286 



fistulosa 285 



rubra 285 



punctata 286 



Moneywort 230 



Monkey Flower 307 



Wing-stemmed.. .307 



Yellow 307 



Monotropa uniflora. . .227 



moonseed 114 



Family 114 



Scarlet 114 



Morning Glory, Hairy 



Wild 249 



Wild 248 



Moth Mullein 300 



Motherwort, Common 



283 



Horehound 283 



Mountain Mint, Narrow- 

 leaved 289 



Virginia 289 



Mouse-ear Chickweed, 



Common 83 



Mullein, Common. . .300 



Moth 300 



Pink 84 



Musquash Root 219 



Mustard, Black 127 



Family 124 



Hedge 128 



Mithradate 125 



Treacle 129 



Tumble 128 



WTaite 127 



Wild 127 



Wormseed 129 



Mysotis scorpioides . . 259 



N 



Naked Bishop's Cap. . 140 

 Naked-flowered Tick 



Trefoil 171 



Nannyberry 323 



Narcissus Pseudo-Nar- 

 cissus 64 



Narrow-leaved Collinsia 



303 



Crab 147 



Loosestrife 231 



Mountain Mint 289 



Pickerelweed 46 



Puccoon 264 



Purple Coneflower..366 



Umbrellawort 81 



Vervain 268 



Neckweed 310 



Nelumbo lutea 93 



Nepeta Cataria 278 



hederacea 279 



Nettle Family 74 



Hedge 284 



Horse 295 



Light-green Hedge . 284 



White Horse 295 



Wood 74 



New England Aster . . 350 



Jersey Tea 192 



York Ironweed .... 336 

 Nightshade, Bittersweet 



293 



Black 294 



Common 294 



Deadly 294 



Enchanter's 213 



Family 293 



Silver-leaved 295 



Small Enchanter's. 213 



Niggerhead 364 



Nimble Kate 326 



Nodding Onion ' 51 



Trillium 61 



Nonesuch 163 



Northern Bishop's Cap 



140 



Evening Primrose. .210 



Prickly Ash 178 



Willow Herb .209 



Nosebleed Weed. . . . .'376 



Nuphar ad vena 91 



Nut, American Bladder 



189 



NYCTAGINACEAE . . 81 



Nymph, Water 94 



Nymphaea odorata. . . 92 



tuberosa 94 



NYMPHAEACEAE... 91 



o 



Oak, Poison 185 



Oblong-leaved Spearwort 



96 



Oenothera biennis. . .210 



fruticosa 211 



muricata 210 



pratensis 211 



Ohio Buckeye 190 



Old-maid's Pink 88 



ONAGRACEAE 208 



One-seeded Bur Cucumber 



326 



Onion, Nodding 51 



Prairie 51 



Wild 51 



Onosmodium hispidis- 



simum 266 



moUe 266 



occidentale 266 



virginianum 266 



Opuntia Rafinesquii . . 204 



Orange-red Lily, Wild. 53 



Orangeroot 112 



Orchid, Water 315 



ORCHIDACEAE 67 



Orchis Family 67 



Fringed Green 70 



Purple Fringed .... 69 



Ragged Green 70 



Tall Green 69 



White Fringed 69 



Orpine Family 138 



Osmorhiza Claytoni .218 



longistylis 218 



OXALIDACEAE 1 75 



Oxalis corniculata. . .176 



grandis 1 76 



repens 175 



stricta 176 



violacea 175 



Oxeye 362 



Daisy 378 



Yellow 364 



Rough 362 



Oxybaphus linearis. . . 81 



nyctagineus 81 



Oxypolis rigidior 222 



Oyster Plant 385 



P 



Pagoda Dogwood .... 226 



Pale Cinquefoil 151 



Corydalis 123 



Hydrangea 142 



Indian Plantain. . . .380 

 Purple Coneflower..366 



Sunflower 369 



PAPAVERACEAE.. .119 



Papoose Root 117 



Pamassia caroliniana.141 

 Parnassus. Grass of. .141 



Parsley F.\mily 214 



Parsnip, Cow 222 



Water 220 



Wild . .221 



Parthenium integrifolium 



361 



Partridge Berry 318 



Pea 159 



Large 159 



Pasque Flower. ...... 103 



Pastinaca sativa. . . . .221 



Pasture Thistle 383 



Paulownia 306 



tomentosa 306 



Pawpaw, Common. .113 

 Pea, Large Partridge.. 159 



Partridge 159 



Wild Sweet 168 



Pear, Prickly 204 



Pedicularis canadensis. 3 13 



lanceolata 313 



Peltandra \-irginica ... 41 

 Pennsylvania Bitter 



Cress. 134 



Pennycress, Field. . , , 125 

 Pennyroval, American. 288 



False ' 274 



Rough _ 288 



Penthorum sedoides . . 138 

 Pentstemon hirsutus.30S 



400 



