INDEX 



385 



Ochagavia elegans, 370 

 Odontoglossum, 386 

 Ohio, 96 



Oil-palm, see also Elaeis, 168 



Old World Tropics, see Palaeotropics 



Olea, Olive, 53, 55, 60, 318, Fig. 8 



O. chrysophylla, 318 



O. svlvestris, 60 



Oleander, 59, 81 



Oncidium, 286 



Oncosperma, 202, 211, 219, 228, 237, 

 Fig. 57 



O. horrida, 202, 211,228 



Onoclea sensibilis, 83 



Ontario, Canada, 91 



Oodnadatta, Australia, 328 



Ophioglossum, 113, 189, 193, 230 



O. palmatum, 113 



O. pendulum, 189, 230 



O. reticulatum, 193 



Opuntia, 144, 320, 354 



Orchid, Orchidaceae, 35, 42, 48, 50, 

 53, 80, 90, 95, 113, 129, 151, 174, 

 189, 193, 198, 199, 218, 220, 230, 

 238, 277, 295, 301, 307, 308, 325, 

 249 



Orchis rotundifolia, 42 



Oreodaphne, 66 



Oreodoxa, 113, 269, 295, 298 



O. oleracea, 295, 298, Fig. 62 



O. regia, 113,295 



Oregon, 123 



Orinoco, River, 274, 283 



Orizaba, Mt., 264, 269 



Ornithogalum, 64, 318 



Orobolus, 367 



Orthocarpus, 367 



Osmunda, Osmundaceae, 83, 101, 

 346 



O. cinnamomea, 83, 101 



O. regalis, 101 



Ostrya, 48, 106 



Otira Gorge, New Zealand, 345 



Ourisia, 343, 350 



O. macrocarpa, 343 



Ouvinandra fenestralis, 198 



Oxalis, 108, 308, 309, 355 



O. cernua, 309, 355 



Oxydendron, 98 



Oxytropia, 31 



Pachycereus Pringlei, 270, Fig. 79 

 Pacific Coast, P. Slope, United States, 



85,86-114 

 Pacific Slope of Andes, 286 

 Padang Highlands, Sumatra, 221 

 Padina, 101 

 Pahang Gap, Malay Peninsula, 206 



Palms, 1, 11, 27, 72, 81, 198, 201, 

 206, J<)7, 21 I, 215, 228, 237, 260, 

 268, 269, 280, 284, '-"'I. 370 



Palaeotropics, 157, 200 



Palawan, Philippine Island- 2 



Palestine, 66, 68 



Palmetto, see also Sabal, 100, 101, 



103, 110, 303 

 Palmiste, see Oreodoxa oh- r area 

 Palo-verde, Parkinsonia, 152 

 Pandanus, see also Screw-qrine, 1»'»<). 



185, 188, 209, 217, 221, 230, 236, 



243,257, Fig. 62, PI. XV 

 P. candelabrum, 160 

 P. obeliscus, 198 

 P. tectorius, 236 

 Pangerango, Mount, Java, 230 

 Panicum, 108, 163, 318 

 Papilionaceae, 50, 57, 279, 329. 332 

 Papua, see also New Guinea, 243, 321, 



351 

 Papvrus, see also Cyperus, 162, 169, 



*174 

 Para, 275, 276 

 Para rubber, see Hevea 

 Paramaribo, 290 

 Parks, Colorado, 115 

 Parnassia, 36, 42, 50, 120 

 Pasania densiflora, 132 

 Paspalum, 163 

 Passion-flower, Passiflora, Passiflora- 



ceae, 100, 273, 275, 283, 370 

 Pat ana, Cevlon, 191 

 Patagonia, 14, 358, 368 

 Pattersonia, 330 

 Peach, 197, 316 

 Pear, 46 

 Peat-bogs, 95 

 Peat-moss, see Sphagiiwn 

 Pedicularis, 31, 49, 120 

 P. Groenlandioa, 31, 120 

 Pelagophycus, 136 

 Pelargonium, 170, 307 

 Pellaea, 172, 319 

 P. calomelanoe, 319 

 Peltophorum Africanum, 173 

 Pentstemon, 45, 120, 121, 143, 149 

 Pennisetum, 166, 243 

 P. purpureum, L t * * > 

 Peony, 76 



Peperomia, 113. 244, 277, 300, 347 

 Pepper, Piper, Piperaeeae, 72, v ". 



185, 1«>7.2K> 

 P. Mestoni, 244 

 Pepper-tree, ~>7, 369 

 Pepperidge, Bee also Nysaa, 9 

 Perfume, extraction from flown- "> » 

 Permian, 3, 4 



