No. 14.] 



FLOWERING PLANTS AND FERNS. 



529 



Oenothera 



var. cruciata 292 

 " grandiHora 293 

 " Oakesiana 292 

 cruciata 292 

 fruticosa 293 

 var. hirsuta 293 

 " humifusa 2g^ 

 " linearis 293 

 grandiflora 293 

 laciniata 293, 434 

 linearis 293 



var. Eamesii 293 

 longipedicellata 294 

 Oakesiana 292 

 pratensis 294 

 pumila 293 

 sinuata 293 

 Oil Nut 144 

 Okra 280 



Old Field Birch 147 

 Man 401 

 Woman 401 

 Old-fashioned Cherry 245 

 Old-maid's Pink 180 

 Old-witch Grass 51 

 Oleaceae 317, 438, 440 

 Olive Family 317 

 Onagra 

 biennis 292 



var. grandiHora 293 

 cruciata 292 

 Oakesiana 292 

 Onagraceae 291, 438, 440 

 One-flowered Cancer-root 359 

 Pyrola 306 

 Wintergreen 306 

 Onion 119 

 Wild 119 

 Onoclea 25 

 sensibilis 25 



var. obtusilobata 25 

 Struthiopteris 25 

 Onopordum 407 



Acanthium 407 

 Onosmodium 330 

 virginianum 330 



34 



Ophioglossaceae 27, 436 

 Ophioglossum 27 



vulgatum 2'j 

 Opium Poppy 197 

 Opulaster 



opulif alius 220 

 Opuntia 289 



Opuntia 289 



RaAnesquii 427 



vulgaris 289 

 Orach 167 



Beach 168 



Spreading 167 

 Orange 



Mock 154, 217 



Osage 154 

 Orange Grass 282 



Hawkweed 414 

 Orange-flower Tree 217 

 Orange-root 193 

 Orchard Grass 72 

 Orchidaceae 129, 436 

 Orchis 130 



rotundifolia 425 



spectabilis 130 

 Orchis 



Fen 136 



Fringed 130 



Large Purple Fringed 132 

 " Round-leaved 131 



Long-bracted 130 



Ragged 132 



" Fringed 132 



Rein 130 



Show}^ 130 



Small Green Wood 131 

 " Pale Green 130 



Smaller Purple Fringed 132 



Tall Leafy Green 130 

 " White Bog 130 



White Fringed 131 



Yellow Fringed 131 

 Orchis Family 129 

 Origanum 340 



vulgare 340 

 Ornithogalum 121 



umbellatum 121 



