GENEBAL INDEX 



401 



i^AriFou.M root iJU 

 Nectaries, 131, 147, 325 

 Neuter flowers, 139, 167 

 Nodes, 28, 52 

 Xucellus, 212 

 — naked, 212 

 Nuclear spindle, 306 

 Nuclein, 284 

 Nucleolus, 284 

 Nucleoplasm, 284 

 Nucleus, 282, 284 

 Nuculanium, 254 

 Nub, 250 



ObCORDATE, 76 



Obdiplostemoiij", 135 



Oblique leaves, 74 



Oblong, 75 



Ob ovate, 76 



Obsolete. 154 



Obtuse, 72 



Obvolute, 90 



Ochrea, 58 



Octostichous, «4 



Offset, 42 



Oils, 301 



Oogonium, 227 



Oosphere, 14, 226 



Oospore, ID, 12, 226, 311 



Open bundles, 348 



Operculate, 156, 186, 246 



Operculum, 246 



Opposite leaves, 82, .sij 



— stipules, 57 



Orientation : tlie position of 

 the wood and bast of a 

 vascular bundle with rela- 

 tion to the centre of the 

 stele in which it occurs, 

 348 



Origin of placenta, 201 



Orthostichies : the vertical 

 lines that cau be di-awn 

 down the stem, passing 

 through the bases of 

 several leaves, 83 



Orthotropous, 215, 217, 265 



Oval, 75 



Ovary, 8, 99, 196 



Ovate, 76 



Ovule, 13, 98, 188 



Palate, 162 

 Paleae, 106, 112 

 — of receptacle, 106 

 Pales, 112 



Palissade tissue, 337, 391 

 Palmate, 61. 64, 71 

 Palmated, 21 

 Palmately veined, 66 

 Palmatifid, 64, 71 

 Palmatisected, 64 

 Panduriform, 71 

 Panicle, 113 

 Panioled corymb, 113 

 Papillae, 334 



VOL. I. 



Papilionaceous corolla, 159, 



210 

 Papillose : having its 



external cells projecting 



slightly above the surface, 



395 

 Pappose, 155 

 Pappus, 140, 155 

 Parallel-veined, 66, 68 



— venation, 68 

 Paraphyses, 232 

 Parasites, 24 

 Parenchyma, 314 

 Parenchymatous, 6 

 Parietal placentation, 199 

 Paripinnate, 6 1 , 78 

 Partial involucre, 103, 114 



— umbel, 114 

 Partitions, 63 



Passage cell : thin-walled 

 cells occurring iu a thick- 

 walled eudodermis, 377 



Pectic acid, 292 



Pectin, 292 



Pectinate, 70 



Pectoses, 286, 292 



Pedate, 64, 72 



Pedati partite, 64 



Pedicel, 107 



Peduncle, 107 



Peloria, 165 



Peloric flower, 147 



Peltate, G4 



Pendulous, 39 



Pentagonal, 132 



Pentastichous, 83 



Pepo, 253 



Perennial, 22, 23, 39 



Perfoliate, 64 



Perianth, 99. 129, 130 



Periblem, 327 



Pericarp, 237, 238 



Pevichffitium, 231 



Pericliual, 312 



Pericvcle. 335, 341, 345 



Periderm, 339 



Perigynous, 145, 179 



Peripherical embryo, 277 



Perisperm, 270 



Permanent tissue, 312 



Persistent, 52, 56, 102, 156, 

 167 



Personate, 162 



Petaloid, 130 



Petals, 130, 157 



-^ structure of, 395 



Petiolav, 56 



Petiole, 53, 58 



— of Cycas, 388 



— structure of, 386 

 Phalanx : a term applied to a 



number of stamens con- 

 nected together by their 

 filaments, 137 



Phelloderm, 339 



Phellogen, 339 



Phloem, 346 



Phragmata.194 



PhyUaries, 103 

 Phylloclade, 42, 45 

 Phyllode, 59 

 Phyllopodium, 52 

 Phyllotaxis, 81 

 Physiology, 2 

 Piliferous layer of root, 328, 



377 

 Pinnffi, 61 

 Pinnate, 61 

 Pinnately veined, 66 

 Pinnules, 78 

 Pistil, 130, 187 

 Pistillate flower, 99, 139, 151, 



167 

 Pitchers, 90, 92 

 Pith, 343 

 Placenta, 131, 146, 149, 188, 



199 



— origin of, 201 

 Placentation, 199 

 Plafie of symmetry, 133 

 Plastids, 283, 285 

 Plerome, 327 

 Plicate. 88 



Plumule, 16, 272 



Pod, 256 



Pollen grains, 13, 97 



— sacs, 168 



— tube, 11 

 PoUinia, 186 

 Pollinodium, 227 

 Polyadelphous, ISl 

 Polyarch root, 379 

 Polychasium, 33, 120, 128 

 Polycotyledonous embryo, 



274 

 Polyembryony, 233 

 Polygamous, 167 

 Polymorphy, 9 

 Polypetalous, 158 

 Polypodial, 33 

 Polysepalous, li2, 152 

 Polystelic, 344 

 Po'ystemonous, 178 

 Polvthalamic fruits, 2G1 

 Pome, 261 



Potential gametophyte, 22U 

 Prsefloration, 90, 208 

 Prffifoliation, 88 

 Pnismorse, 42, 44, 73 

 Prickles, 333, 357 

 Primary axis, 107 



— meristem, 313 



— root, 18 



— wood, 352 

 Primine, 21 >! 

 Primordial utricle, 282 

 Prismatic leaves, 77 

 Procambium, 344 

 Procarp, 229 

 Procumbent, 38 

 Progressive, 119 

 Proliferous, 35 

 Prosenchyma, 316, 317 

 Prosenchymatons, 6 

 Prostrate, 38 

 Proteids, 299 



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