Index 421 



Orchis, Green Wood 81 



Purple-fringed 87 



' Ragged-fringed 85 



Round-leaved . . 83 



Showy 93 



' spectabilis 93 



' Yellow-fringed 83 



Orontium aquaticum 27 



Ornithogalum umbellatus 67 



Orobanche uniflora 319 



Oswego Tea 297 



Oxalis 185 



Painted-cup 315 



Panax quinquefolium 227 



" trifolium 227 



Parnassia caroliniana 149 



Parsnip, Water 229 



Pasque Flower 123 



Peanut, Wild 181 



Pea, Partridge 171 



Peducularis canadfcnsis 317 



Pentesmon 307 



Peppermint 295 



Persicaria 103 



Petalostemum purpureum 169 



Phlox 283 



Pickerel-weed 33 



Pimpernel 259 



Pink, Fire 113 



Ground 283 



Indian 259 



Maiden 113 



Marsh 265 



Moss 283 



Mullein 107 



Rose 263 



Wild 113 



