GENERAL INDEX 



621 



Pipturus, 356 



Pisonia, 61, 333, 346, 357. 568 



Pistia, 435, 486-9 



Pitcairn Island, 64, 345, 355, 418, 



562 

 Pittosporum, 308, 309, 313, 509, 532 

 Platydesma, 263 

 Plantago ; on tropical mountains, 269, 



270 ; Hawaiian species, 271-2 ; 



mode of dispersal, 276 ; seed- 



mucosity, 276, 568 ; seed-buoyancy, 



537, 540 

 Plantago coronopus, 33 

 Plantago lanceolata, 276, 537, 568 

 Plantago major, 276, 537, 568 

 Plantago maritima, 34, 478, 537, 541, 



568 

 Plantago media, 537 

 Plectronia, 355, 533 

 Plectrophanes nivalis (Snow-bunting), 



as seed-disperser, 510, 511, 605 

 Pleiosmilax, 371-3, 532 

 Plerandra, 265 

 Plum-stones in beach-drift, 429, 431, 



479 

 Poa ; Hawaiian species, 272, 275 

 Poa aquatica, 538 

 Poa fluitans, 538 

 Podocarpus, 294, 297-8, 301, 306, 508, 



603 

 Polycarpon tetraphyllum, 33 

 Polygala vulgaris, 536 

 Polygonum ; dispersal by birds, 356 ; 



buoyancy of fruits, 537, 543 

 Polygonum amphibium, 537 

 Polygonum aviculare, 356, 537 

 Polygonum convolvulus, 356, 537 

 Polygonum glabrum, 354, 356, 435, 



487-8 

 Polygonum hydropiper, n, 537 

 Polygonum lapathifolium, 537 

 Polygonum maritimum, 35, 477, 537, 



543 ■ • ^ 



Polygonum persicaria, 356, 537 



Polygonum viviparum, 512 



Polymorphous species, discussed, 

 33-4, 353, 357-8, 373, 381, 391, 519, 

 520, 522 ; independent of msular 

 conditions, 363, 368, 520 ; noted 

 under Eteocarpus, 335 ; Dodonsea, 

 339 ; Metrosideros, 341 ; Alyxia, 

 345 ; Alphitonia, 346 ; Pisonia, 346 ; 

 Wikstrcemia, 348 ; Sicyos, 363, 365 ; 

 Naias, 368 ; Eurya, 372 ; Maba, 

 372 ; Grewia, 382 ; Nelitris, 382 ; 

 Melastoma, 382 ; Loranthus, 383 ; 

 Geniostoma, 384 ; Macaranga, 384 ; 

 Tabernjemontana, 385 ; Bischoffia, 

 386 ; Micromelum, 393 ; Limnan- 



themum, 396 ; Weinmannia, 291 ; 

 Vaccinium, 280-1 



Polynesians ; their differentiation, 

 325, 411,427 



Polynesian food-plants, 412-4, 427 



Polynesian weeds, 415, 427, 604 



Polynesian plant-names, 66, 324, 328, 

 341, 345, 387, 398, 414, 419, 421, 

 424, 425, 441, 578 



Polypodium, 593 



Pongamia glabra, 54, 106, 202, 529, 

 551, 563, 581 



Pontederia, 435, 486-9 



Porphyrio (Purple Water-hen), as 

 concerned in plant-dispersal, 296, 

 305, 321, 331 



Portulaca, 532, 552, 553-5 



Potamogeton, 5, 30, 38, 369, 513, 537 



Potentilla ; buoyancy and station, 27 



Potentilla comarum, 27, 536 



Potentilla tormentilla, 27, 536 



Premna ; the genus in the Pacific, 

 560 ; buoyancy and station, 19, 

 134, 139; cause of buoyancy of the 

 fruits of the coast species, 107, 112, 

 123, 124, 530, 532, 561, 569 ; inland 

 extension of the coast species, 42, 

 547, 548, 561, 569 ; distribution of 

 the species, 561, 563 ; occurrence of 

 the fruits in river-drift, 112, 435, 561 ; 

 modes of dispersal, 561 



Prioria copaifera, in Panama beach 

 and river-drift, 499 



Pritchardia, 124, 308, 309, 326, 532, 



533-4, 554-5 

 Prosopis dulcis, 557 

 Prunella vulgaris, 28, 417, 537, 568 

 Pseudomorus, 371 

 Psittacirostra, 321, 505 

 Psychotria, 308-9, 314, 331, 391, 532 



603 

 Pteris aquilina, 225, 548 

 Pteropidae : see Bats 

 Pterotropia, 262-3, 595 

 Ptilotus, 263 

 Ptychosperma, 389, 532 

 Puerto Bolivar (Ecuador) ; sojourn of 



the author, 476, 484-8, 494 

 Pumice in beach-drift, 429, 558, 601 

 Puna Island (Ecuador), 489, 494 

 Puna coast (Hawaii), 553 



QUERCUS, 61, 90, 126, 429, 431, 537 

 538, 671 



Radiola millegrana, 417, 418 

 Raiatea, 250, 252, 257 

 Raillardella, 237 

 Raillardia, 236-8, 240, 243-4 



