330 



INDEX. 



Moth-muUen, 257 

 Mountain-laurel, 217 

 Mountain-mint, 253 

 Mountain-rice, 22 

 Mouse-ear chickweed, 115 

 Mouse-ear cress, 134 

 Mud-plantain, 69 

 Muhlenbergia, 22 

 Mulberry, 103 



Paper, 103 



Bed, 103 



White, 103 

 Mulberry Family, 103 

 Mulgedium, 316 

 Mullen, 257 



Common, 258 



Moth, 257 



White, 257 

 Muricauda, 65 

 Muscari, 75 

 Musk-thistle, 312 

 Musquash-root, 211 

 Mustard, 135 



Black, 135 



Hedge, 134 



Tumble, 134 



Wormseed, 135 

 Mustard Family, 130 

 Myosotis, 241 

 Myricaceae, 93 

 Myricales, 93 

 Myrtales, 200 

 Myrtle, 94, 228 

 Myrtle-spurge, 180 



Nabalus, 314 

 Naiad, 6 

 Naiadaceae, 6 

 Naiadales, 4 

 Naias, 6 



Naias Family, 6 

 Nannyberry, 275 

 Narcissus, 80 

 Necklace-poplar, 91 

 Neckweed, 262 

 Negundo, 185 

 Nemexia, 79 

 Neopieris, 218 

 Nepeta. 248 

 Nettle, 101 



Dead, 249 



False, 102 



Hedge, 250 



Horse, 239 

 Nettle Family, 101 

 Nettle-tree, 104 

 New-Jersey tea, 186 

 Nightshade, 239 



Common, 239 



Nimble-Kate, 280 

 Ninebark, 276 

 Nintooa, 276 

 Nodding-cap, 87 

 Nondo, 212 

 Nonesuch, 162 

 Norta, 134 



Northern prickly-ash, 175 

 Nothoholcus, 26 

 Nut-rush, 46 

 Nyctelea, 235 

 Nymphaea, 126 

 Nymphaeaceae, 126 

 Nyssa, 206 

 Nyssaceae, 205 



Oak, 98 



Barren, 99 



Bear, 100 



Black, 99 



Black scrub, 100 



Bur, 100 



Chestnut, 100 



Iron, 100 



Mossy-cup, 100 



Over-cup, 100 



Pin, 99 



Post, 100 



Eed, 99 



Scarlet, 99 



Scrub, 100 



Scrub chestnut, 100 



Swamp Spanish, 99 



Swamp white, 100 



White, 100 



Willow, 99 



Yellow, 100 



Yellow-barked, 99 

 Oakesiella, 77 

 Oak-leaved goosefoot, 110 

 Oqt, 28 

 Obalaria, 226 

 Oenothera, 203 

 Old-man's beard, 224 

 Oleaceae, 223 

 Oleales, 223 

 Oligoneuron, 289 

 Olive Family, 223 

 Onion, 73 

 Onion Family, 73 

 Onopordon, 312 

 Onosmodium, 242 

 Opulaster, 146 

 Opuntia, 199 

 Opuntiaceae, 199 

 Opuntiales, 199 

 Orache, 110 

 Orange-grass, 192 

 Orange-root, 120 



Orchard-grass, 32 

 Orchidaceae, 83 

 Orchidales, 83 

 Orchid Family, 83 

 Origanum, 252 

 Ornithogalum, 75 

 Orobanchaceae, 265 

 Orontium, 66 " 



Orpine Family, 141 

 Oryzopsis, 22 

 Osier, 93 

 Ostrya, 96 

 Oswego-tea, 251 

 Over-cup oak, 100 



OXALIDACEAE, 173 



Ox-eye, 303 

 Ox-eye daisy, 309 

 Ox-tongue, 317 

 Oxycoccus, 220 

 Oxypolis, 213 

 Oyster-plant, 317 



Padus, 158 

 Painted-cup, 264 

 Pale-dock, 105 

 Pale indian-plantain, 310 

 Palemoniaceae, 236 

 Panax, 207 

 Pandanales, 3 

 Panic-grass, 14 

 Panicularia, 33 

 Panicum, 14 

 Pansy, 198 

 Papaver, 128 

 Papaveraceae, 128 

 Papaverales, 128 

 Papaw, 125 

 Paper-mulberry, 103 

 Pappoose-root, 127 

 Papyrius, 103 

 Parietaria, 102 

 Parthenium, 303 

 Parthenocissus, 188 

 Parsnip, 



Cow, 213 



Meadow, 210, 212 



Water, 212 



Wild, 213 

 Parsonsia, 202 

 Partridge-berry. 271 

 Partridge-pea, 159 

 Paspalum, 13 

 Passiflora, 199 

 Passifloraceae, 199 

 PassifloraleSj 198 

 Passion-flower, 199 

 Passion-flovfer Family, 



199 

 Pastinaca, 213 



