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, 37, 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 insular 

 conditions, 363, 368, 520 ; noted 

 under Elasocarpus, 335 ; Dodoniea, 

 339 ; Metrosideros, 341 ; Alyxia, 

 345 ; Alphitonia, 346 ; Pisonia, 346 ; 

 Wikstroemia, 348 ; Sicyos, 363, 365 ; 

 Naias, 368 ; Eurya, 372 ; Maba, 

 372 ; Grewia, 382 ; Nelitris, 382 ; 

 Melastoma, 382 ; Loranthus, 383 ; 

 Geniostoma, 384 ; Macaranga, 384 ; 

 Tabema^montana, 385 ; Bischofifia, 

 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, 5.13, 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, 56S 

 Pseudomorus, 371 

 Psittacirostra, 321, 505 

 Psychotria, 308-9, 314, 331, 39i, 532 



603 

 Pteris aquilina, 225, 548 

 Pteropidie : 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 



QUKRCUS, 61, 90, 126, 429, 431, 537 

 538, 571 



Radiola millegrana, 417, 418 

 Raiatea, 250, 252, 257 

 Raillardella, 237 

 Raillardia, 236-8, 240, 243-4 



