848 



INDEX. 



Polygala, fertilisation 



of, 289 

 Polygalacese, 441 

 Polygamia, 563 

 Polygamous, 212, 367 

 Polygonaceae, 563 

 Polygonal, 330 

 Polygonum, 564 

 Polygyncecial, 309, 316 

 Polynesian Region, 



684 

 Polypetalous, 203 

 Polyphyllous, igo, 196 

 Polypodiese, 639 

 Polyporus, 650 

 Polysepalous, 196 

 Polyspermous, 312 

 Polystemonous, 215 

 Polytrichum, 643 

 Pomaderris, 472 

 Pome, 314 

 Pomex, 484 

 Pomegranate, 313, 492 

 Pompelmoose, 455 

 Pondweed, 626 

 Ponga, 639 

 Pontederia, 618 

 Pontederiaceas, 618 

 Poor man's weather 



glass, 262, 559 

 Poplar, 592 

 Poppy, 433 

 capsule of, 308, 



Populus, 592 

 Porphyra, 655 

 Porrigophytes, 651 

 Portland dirt-bed, 749 



sago, 163, 685 



Portugal Laurel, 486 

 Portulacacese, ^^45 

 Posterior applied to 



parts of a flower, 195 

 Posticae, 226 

 Potalia, 538 

 Potamese, 626 

 Potamogeton, 626 

 Potash and soda as 



manures, 138 



in plants, 132 



Potato, 313, 548 



disease, 398, 402 



eyes of^ 47 



starch m, 162 



Potentilla, 486 

 Potentillese, 484 

 , Poteriese, 484 

 Pothocites, 742 

 Pothos, 625 

 Pounce, 599 

 Praefloration, 193 

 Prsefoliation, no 

 Prsemorse, 47 

 Prangos, 507 

 Pretrea, 541 

 Prickles, 32 

 Prickly ash, 468 



pear, 501 



pole, 622 



Primary colours, 390 



veins, 83 



Primine, 254 



Primordial, 335 



Primordial leaves, loi 



Primrose, 558 



pin-eyed, 285 



thumb-eyed, or 



thrum-eyed, 285 



Primroses, fertilisation 

 in, 285 



Primula, 558 



Primulaceae, 557 



Prince's feather, 562 



Pringlea, 437 



antiscorbutica, 



fertilisation in, 284 



Prinos, 530 



Prionium, 619 



Prismatical, 90 



Prismenchyma, 4 



Privet, 534 



Procumbent, 45 



Products and secre- 

 tions of plants, 124, 

 161 



azotised, 166 



resinous, 169 



Pro-embryo, 293 



Progression' of sap, 124 



of sap, cause of, 



14S 



Proliferous, 119 



bracts, 191 



plants, 357 



Propagation by graft- 

 ing, 324 



by leaves, 118 



Propagulum, 113 



Prosenchyma, 4, 16 



Protandrous, 212, 286 



Protea, 570 



Proteaceae, 570 



Prothallus of ferns, 294 



Protium, 475 



Protococcus, 655 



Protogynous, 212, 286 



Protoplasm, 8 



Pruning trees, 113 



Prunus, 485 



Psamma, 632 



Psaronius, 732 



Pseudo bulb, 47 



Pseudospermous, 303 



Psidium, 492 



Psychotria, 512 



Ptelea, 468 



Pteris, 640 



Pterocarpus, 480 



Pterophyllum, 747 



Ptychotes, 508 



Pubescent, 33 



Puccoon, 434 



Puchurim beans, 569 



Puff-balls, 651 



Pulse, 479 



Pulverised soil, 347 



Pulvinus, 94 



Pumpkin, 495 



Pimica, 492 



Punctated woody tis- 

 sue, 17 



Purples, 403 



Pursh's floral Region, 

 681 



Purslane, 445 

 Putamen, 301 

 Putty-wort, 605 

 Puya fibre, 584 

 Pycnides, 269 

 Pyrenae, 315 

 Pyrenean flora of Ire- 

 land, 708 

 Pyrenees, flora of, 6g6 

 Pyrenocarpei, 646 

 Pyrethrum, 520 

 Pyroleae, 527 

 Pyrrhosa, 570 

 Pyrularia, 574 

 Pyrus, 486 

 Pythagorean bean, 432 

 Pyxidium, 315 



Quadrangular, 46 



auadrifurcate, 223 

 uadrijugate, 104 

 Quadrilocular, 222, 



241 

 Quadripartite, 198 



aOualea, 488 

 Quamoclit, 544 

 uartine, 254 

 uassia, 469 

 Quaternate, 93 

 Quercitron, 595 

 Quercus, 595 

 Quillaia, 486 

 QuillaiesB, 484 

 Quill-wort, 640 

 Quinate, 93 

 Quince, 314, 486 

 Quincuncial, 106 



sestivation, 194 



Quincunx, 107 

 Quinine, 513 

 Quinoa, 562 

 Quinquangular, 46 

 Quinquecostate, 84 

 Quinquefid, 87, 197 

 Quinquepartite, 87, 

 198 



Buintine, 254 

 uisqualis, 489 

 Quitch-grass, 631 

 Quiver-tree, 615 



Raceme, 177 



ofcapitula, i8z 



Races, 407 

 Rachiopteris, 733 

 Rachis, 172 

 Racodium, 650 

 Radical hairs, 34 



leaves, loi 



Jiadicle, direction ' of 



the, 343 

 or young root, 41, 



334 

 Radicular merithral, 



362 

 Radii, 180 

 Radiola, 463 

 Radish, 437 

 Rafflesia, 578 

 Rafflesiaceae, 577 

 Rain^ coloured, 282 

 Raisins, 462 



Ramal leaves, loi 

 Ramentaceous, 32 

 Rampion, 525 

 Ramsden eye-piece or 



ocular, 76s 

 Ranunculaceae, 426 

 Ranunculeae, 427 

 Ranunculus, 427 



fruit of, 310 



Rape, 437 

 Raphe, 256, 329 

 Raphides, n 

 Raspberry, 312, 485 

 Ratafia, 486 

 Ratsbane, 573 

 Rattan Palm, 622 

 Rattoons, 164 

 Ravenala, 608 

 Rays of light, eff'ect in 



germination, 3^6 

 — — effect on plants, 



„354 . 

 Reaumuna, 443 

 Receptacle, 173, 180 



in compositEB, 



181 



of secretions, 12 



Reclinate, no, 339 

 Red cedar, 599 



gum, red robin, 



red rust, and red rag, 



399 



snow, 654 



whortleberry, 526 



Reduplicate, 193 

 Reed mace, 686 

 Region of Amyri- 



daceae, 685 



of the Asiatic 



Islands, 684 



of Asters and 



Solidagos, 681 



of Cactaceae and 



Piperaceae, 686 

 of Cinchonas, 686 



of Epacridacese 



and Eucalypti, 689 



of Escalloniae and 



Calceolariae, 686 



of Highlands of 



Mexico, 686 



of LabiatsE and 



Caryophyllaceae, 680 



of Magnolias, 681 



of Mesembryan- 



thema and Stapeliae, 

 689 



of New Zealand, 



691 



of Palmae and 



Melastomaceae, 687 



of Saxifrages and 



Mosses, 670 

 of. Shrubby Com- 



positse, 687 



of Ternstroe- 



miaceae, and CelaS'> 

 traceae, 682 



of Tree Rhodo- 

 dendrons, 683 



of Tropical Af- 

 rica, 685 



