Oat Grass, 131 
Obolaria, 932 
Oceanoros, 252 
Ocimum, 1053 
Ocotea, 820 
Odontonychia, 401 
Oenothera, 840 
Oenothera, 840, 841, 842, 843, 
844, 845, 846 
Ogeeche Plum, 852 
Ohio Buckeye, 740 
Oil-nut, 1103 
Okra, 776 
OLACACEAE, 1103 
Oldenlandia, 1106 
Old-field Pine, 28 
Old Man’s Beard, 920 
OLEACEAE, 916 
OLEALES, 916 
Oleander, 936 
Oleaster Family, 819 
Oligoneuron, 1188 
Olive 
Wild, 910, 920 
Olive Family, 916 
Olyra, 110 
Onagra, 839 
Onagraceae, 834 
Onion, 262 
Wild, 263 
Onion Family, 262 
Onoclea, 14 
Onoclea, 17 
Onosmodium, 1000 
OPHIOGLOSSALES, 1 
Ophioglossum, 1 
Ophioglossum, 2 
Opium Poppy, 461 
Oplismenus, 84 
Opopanax, Yellow, 578 
Opossum Wood, 915 
Opulaster, 513 
Opuntia, 815 
OPUNTIACEAE, 810 
OPUNTIALES, 808 
Orache, 386 
Orange 
Bitter-sweet, 678 
Mock, 507 
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 
Tree, 327 
Orchis, 312 
Oreodoxa, 225 
Ornithopteris, 4 
OROBANCHACEAE, 1092 
Orobanche, 1093 
Orontium, 228 
Orpine Family, 496 
Ortachne, 119 
Oryza, 112 
Osage Orange, 361 
Osmanthus, 920 
Osmia, 1163 
86 
INDEX 
| Osmorrhiza, 864 
| Osmunda, 3 
OSMUNDACEAE, 3 
| Ostrich Fern, 17 
Ostrya, 344 
| Oswego Tea, 1036 
| Otophylla, 1075 
| Overeup Oak, 355 
| OXALIDACEAE, 664 
Oxalis, 664 
| Oxalis, 665, 666, 667 
| Oxybaphus, 406 
| Oxycoccus, 897 
Oxydendron, 890 
Oxypolis, 874 
| Oxytria, 268 
| Oyster Plant, 1318 
| Pachysandra, 724 
| Pachystima, 735 
| Padus, 573 
| Paepalanthus, 235 
| Painted-eup, 1079 
| Palafoxia, 1288 
| Palm 
| Coco, 225 
Coco-nut, 225 
| Needle, 224 
| 
Royal, 225 
| Palma Christi, 705 
| Palmae, 221 
| Palmetto, 223 
| Blue, 224 
Cabbage, 223 
| Dwarf, 223 
Saw, 224 
| Serub, 223 
| Palm Family, 221 
| Panax, 855 
| PANDANALES, 34 
Panicularia, 154 
Panicum, 85 
agrostoides, 93 
albomarginatum, 98 
amarum, 93 
angustifolium, 95 
annulum, 96 
arenicola, 95 
Ashei, 102 
Atlanticum, 101 
Baldwinii, 97 
barbulatum, 96 
brachyanthum, 91 
eapillare, 92 
eapillarioides, 93 
Chapmanii, 91 
ehrysopsidifolium, 100 
ciliatum, 94 
ciliatissimum, 91 
ciliiferum, 101 
ciliosum, 99 
clandestinum, 103 
Combsii, 93 
Commonsianum, 101 
commutatum, 103 
cognatum, 92 
condensum, 93 
consanguineum, 95 
eurtifolium, 97 
curtivaginum, 97 
Cuthbertii, 97 
depauperatum, 94 
dichotomum, 96 
diffusum, 92 
| Panicum 
digitarioides, 91 
Earlei, 96 
ensifolium, 97 
epilifolium, 101 
equilaterale, 102 
erectifolium, 100 
fasciculatum, 91 
filiculme, 99 
filipes, 92 
flavovirens, 98 
flexile, 92 
fuscum, 91 
Gattingeri, 92 
glabrifolium, 94 
glabrissimum, 98 
gracilicaule, 98 
Hallii, 92 
halophilum, 93 
Helleri, 102 
inflatum, 100 
Joorii, 103 
lanuginosum, 99 
latifolium, 104 
laxiflorum, 95 
leucothrix, 99 
linearifolium, 94 
Lindheimeri, 100 
longiligulatum, 98 
lucidum, 97 
macrocarpon, 104 
malacon, 102 
malacophyllum, 103 
Manatense, 102 
Mattamuskeetense, 96 
miliaceum, 92 
molle, 90 
mutabile, 103 
maximum, 93 
Nashianum, 95 
nemopanthum, 96 
neuranthum, 95 
nitidum, 99 
nudicaule, 97 
obtusum, 90 
octonodum, 98 
oligosanthes, 103 
ovale, 102 
parvispiculum, 99 
paspaloides, 90 
patentifolium, 95 
paucipilum, 98 
pedicellatum, 101 
perlongum, 94 
rnervosum, 103 
hiladelphicum, 92 
polyanthes, 100 
por 94 
orterianum, 104 
proliferum, 92 
prostratum, 90 
pseudanceps, 93 
pseudopubescens, 100 
pubifolium, 104 
pyriforme, 95 
ramisetum, 91 
Ravenelii, 104 
repens, 93 
Reverchonii, 91 
Roanokense, 95 
rostratum, 94 
scabriusculum, 102 
scoparium, 102 
| Seribnerianum, 103 
1361 
