1388 . 



INDEX 



Oenothera, 840, 841, 842, 



843, 844, 845, 846 

 Ogeeche Plum, 852 

 Ohio Buckeye, 740 

 Oil-nut, 1103 

 Okenia 

 Okra, 776 

 OLACACEAE, 1103 

 Oldenlandia, 1106 

 Old-field Pine, 28 

 'Old Man's Beard, 505, 



920 



OLEACEAE, 916 

 OLEALES, 916 

 Oleander, 936 

 Oleaster Family, 820 

 Oligoneuron, 1188 

 Olive 



Wild, 910, 920 

 Olive Family, 916 

 Olyra, 110 

 Onagra, 839 

 Onagraceae, 834 

 Oncidium, 330 

 Onion, 262 



Wild, 263 

 Onion Family, 262 

 Onoclea, 18 

 Onoclea, 23 

 Onosmodium, 1000 

 Operculina, 1360 

 OPHIOGLOSSALES, 1 

 Ophioglossum, 1 

 Ophioglossum, 2 

 Ophrys, 320 

 Opium Poppy, 461 

 Oplismenus, 84 

 Opopanax, Yellow, 578 

 Oppossum Wood, 915 

 Opulaster, 513, 1337, 

 Opuntia, 816 

 OPUNTIACEAE, 811 

 OPUNTIALES, 810 

 Orache, 386 

 Orange 



Bitter-sweet, 678 



Mock, 506, 912 



Osage, 361 



Sweet, 678 

 Orange-grass, 791 

 Orange-root, 430 

 Orchard Grass, 152 

 ORCHIDACEAE, 309 

 ORCHIDALES, 308 

 Orchid Family, 309 

 Orchis 



Crane-fly, 327 



Fringed, 313 



Showy, 312, 313 

 Orchis, 312 

 Oreodoxa, 225 

 Ornithopteris, 5 

 OROBANCHACEAE, 1092 

 Orobanche, 1093 

 Orontium, 228 

 Orpine Family, 496 

 Ortachne, 119 

 Oryza, 112 

 Osage Orange, 361 

 Osmanthus, 920 

 Osmia, 1163 

 Osmorrhiza, 864 

 Osmunda, 4 

 OBMUNDACEAE, 4 

 Ostrich Fern, 23 

 Ostrya, 344 

 Oswego Tea, 1036 

 Otoheite Gooseberry, 



1347 



Otophylla, 1075 

 Overcup Oak, 355 



OXALIDACEAE, 664 



Oxalis, 665 



Oxalis, 665, 666, 667, 668 

 Oxybaphus, 406 

 Oxycoccus, 897 



