INDEX 



351 



Mountain Rice, Black- 

 fruited, 25 

 Slender, 24 

 White-grained, 

 25 

 Mouse-ear, Field, 260 

 Mud-purslane, 213 

 Mugwort, Common, 3,^8 

 Mulberry Family, no 

 Mulberry, Paper, in 



Red, no 



White, no 

 Musk-flower, 281 

 Musk-plant, 281 

 Musk Rose, 209 

 Mullen, Great, 278 



Moth, 278 



White, 278 

 Masquash Root, 230 

 Mustard, Black, 152 



Hedge, 150 



Indian, 152 



Tower, 155 



Treacle, 151 



White, 151 



Wild, 152 



Wormseed, 151 

 Mustard Family, 146 

 Muhlenbergia, Marsh, 25 



Meadow, 25 



Rock, 25 



Slender, 26 



Wood, 25 

 Myrtle, 249 



Naias Family, 8 



Slender, 9 



Thread-like, 9 

 Nanny-berry, 294 

 Neckweed, 283 

 Neslia, 152 

 Nettle, False, 109 



Great, 109 



Red, Dead, 268 



Slender, 109 



Spotted, Dead, 268 



Stinging, 109 



Wood, 109 

 Nettle Family, 109 

 New Jersey Tea, 207 

 Nightshade, 276 



Beaked, 276 



Black, 275 



Enchanter's, 224 



Garden, 275 

 Nimble Will, 26 

 Ninebark, 164 

 Nipplewort, 302 

 Nondo, 232 

 Nonesuch, 182 

 Nut-grass, 44 



Yellow, 44 

 Nut-rush, Low, 51 



Papillose, 51 

 Reticulated, 51 

 Tall, 51 

 Torrey's, 51 

 Nyctelea, 256 



Oak, Barren, 108 



Bear, 107 



Black, 107 



Black-jack, 108 



Bur, 108 



Chestnut, io8 



Iron, 108 



Mossy-eup, 108 



Pin, 107 



Poison, 203 



Post, 108 



Red, 107 



Rock Chestnut, 108 



Scarlet, 107 



Scrub, 107 



Scrub Chestnut, 108 



Shingle, 108 



Spanish, 107 



Swamp, 107 



Swamp White, 108 



Water, 107 



White, 108 



Willow, 108 



Yellow, 108 

 Oat, Marsh False, 30 



Purple, 30 

 Oat-grass, 30 



Black, 24 



Common Wild, 30 



Flattened Wild, 31 



Silky Wild, 31 

 Oats, Water, 23 

 Oleaster Family, 219 

 Olive Family, 245 

 Onion, Nodding Wild, 82 

 Orache, Halberd-leaved, 

 121 



Red, 121 



Spreading, 121 

 Orange, Osage, no 

 Orange-grass, 213 

 Orange-root, 134 

 Orchid Family, 90 

 Orchis, Crane-fly, 98 



Crested Yellow, 93 



Fringeless Purple, 94 



Hooker's, 93 



Large Purple- 

 fringed, 94 



Large Round-leaved, 



Long-bracted, 92 

 Ragged, 94 

 Showy, 92 

 Smaller Purple- 

 fringed, 94 

 Small Green Wood, 



92 

 Small Pale-green, 92 

 Tall Leafy Green, 93 

 Tall White Bog, 93 

 White Fringed, 93 

 Yellow-fringed, 93 



Orpine, 159 



American, 159 



Oswego Tea, 269 



Oyster Plant, 303 



Ox-eye, 335 



Ox-eye, Rough, 330 



Painted Cup, Scarlet, 



284 

 Panic-grass, Discolored, 

 22 

 Hairy-leaved, 22 

 Panicum, Agrostis-like, 

 20 



Ashe's, 22 



Atlantic, 21 



Barbed, 21 



Beaked, 20 



Bicknell's, 20 



Forked, 21 



Gattinger's, 20 



Hairy, 21 



Hairy-panicled, 21 



Hispid, 22 



Large-fruited, 22 



Linear-leaved, 20 



Long, 20 



Long-leaved, 20 



Northern, 21 



Porter's, 22 



Round-fruited, 21 



Scribner's, 21 



Sea-beach, 20 



Shining, 21 



Slender, 21 



Small-fruited, 21 



Spreading, 20 



Starved, 20 



Tall, Smooth, 20 



Tennessee, 21 



Variable, 22 



Velvety, 21 



Warty, 19 



Wiry, 20 



Wood, 19 

 Pansy, 219 



Field, 219 

 Papaw, 133 

 Parsley, Beaked, 229 



Fool's, 231 

 Parsnip, Wild, 233 

 Partridge-berry, 290 

 Paspalum, Field, 16 



Muhlenberg's, 16 



Pubescent, 16 



Spreading, 17 



Walter's, 16 

 Passion-flower, Yellow, 



219 

 Passion-flower Family, 



219 

 Paulownia, 280 

 Pea, Beach, 191 



Downy Milk, 189 



Milk, 189 



Sea, 191 



Veiny, 192 

 Pea Family, 180 

 Peach, 179 

 Pea-nut, Hog, 190 

 Wild, 190 

 Pear, 174 

 Pear-thorn, 177 



