STEUCTUEAL AND PHYSIOLOGICAL BOTANY. 



797 



Ostiole, 384. 

 Oval or elliptical, 165. 

 Ovary, 216, 280. 

 Ovate, 165. 

 Ovulary-spore, 572. 

 Ovule, 216, 327. 



Paginae, 133. 



Palffiontological botany, 2. 

 Palate, 235. 

 Paleae, 192, 193. 

 Palmate, 161, 171. 

 Palmated root, 129. 

 Palmatifid, 161. 

 Panduriform, 161. 

 Panicle, 202. 

 Panicled cyme, 210. 

 Papilionaceous, 232. 

 Pappus, 227. 

 Papulae, 50. 

 Parallel-veined, 151. 

 Paraphyses, 376. 

 Parasites, 125. 

 Parenchyma, 27. 

 — complete, 28. 

 — . incomplete, 27. 

 , functions of, 723. 



Parench ymatous cells,7.27 

 . system, 38, 70. 



Parietal placenta, 284. 



Pari-pinuate, 168. 



Patent, 108. 



Patulous, 223. 



Pedate, 162. 



Pedicel, 193. 



Peduncle, 193. 



, duration of, 195. 



Peloria, 237. 



Peltate, 47. 



Peltate leaves, 135. 



Pendulous, 108. 



Pentastichous, 139. 



Pepo, 323. 



Perennial roots, 126. 



Perfoliate, 136. 



Perianth, 214. 



Pericarp, 300. 



Pericladium, 179. 



Periderm, 86. 



Peridium, 387. 



Perigone, 214. 



Perigynous, 255. 



Peripherical, 351. 



Perisperm, 3+2, 343. 



Perispore, 390. 



Perisiomium, 376. 



Persistent, 133. 



Personate, 235. 



Peruls, 100. 



Petaloid, 226. 



Petals, 214, 229. 



Petiolate or stalked, 135. 



Petiole or leaf-stalk, 133, 

 172. 



structure of, 173. 



Petiolule, 156. 

 Phanerogamous, 67. 

 Phoranthium, 193. 

 Phragmata, 278. 

 Phyllaries, 191. 

 Phyllodes, 181. 

 Phylloid peduncle, 194. 

 Physiological botany, 1. 

 Physiology of the root 



730. 

 Phytons, 102. 

 Phytozoa, 370, 378. 

 Pileorhiza, 124. 

 Pileus, 38fi. 

 Pilose, 227. 

 Pinnffi, 168. 

 Pinnatifid, 160. 

 Pinnatipartite, 160. 

 Pinnatisected, 160. 

 Pinnules, 170. 

 Pistil, 216. 267. 

 Pistillidia, 379. 

 Pistillidia sporangia, 372. 

 Pitchers, 182. 

 Pith, 75. 

 Pitted cellular tissue, 29. 



cells, 11, 16. 



vessels, 32. 



Placenta, 268, 282. 

 Placentaries, 282. 

 Placentation, 282. 

 Placentiform, 131. 

 Plaited or plicate, 144. 

 Pleurenchyma, 29. 

 Plumose, 227. 

 Plumule, 344. 

 Pod, 312. 

 Podetium, 383. 



Podosperm, 327. 



Pollen-sporangia, 374. 

 spores, 372. 



tube, 265. 



PoUinia, 261. 



Pollinaria, 387. 



Polyadelphous, 257. 



Polycotyledonous, 348. 



Polyembryonic, 346. 



Polygamous, 241. 



Polypetalous, 231. 



Polyphyllous, 223. 



Polysepalous, 223. 



Polystemonous, 254. 



Pome, 323. 



Porous cells, 11, 16. 



Praefloration, 146, 217. 



Prffifoliation, 101, 144. 



Praemorse root, 132. 



Preserving seeds, 769. 



Prickles, 49. 



Primary root, 119. 



Primine, 332. 



Primordial leaves, 135. 



utricle, 17. 



Procumbent, 106. 



Pro-embryo, 368. 



Prosenchyma, 29. 

 I . . functions of, 726 



Prosenchvmatous cells, 7, 



27. 

 Prostrate, 106. 

 Prethallus, 368. 

 Protonema, 378, 753. 

 Protoplasm, 17. 

 Pseudo-bulb, 106. 

 Punctated cells, 13. 

 Pulvinus, 174. 

 Putamen, 301. 

 Pycnidia, 383, 385. 



Quadrifoliate, 170. 

 Quadrinate, 170. 

 Quinate, 170. 

 Quincuncial, 139, 220. 

 Quinquecostate, 1.52. 

 Quinquefoliate, 170. 

 Quintupli-costate, 153. 



.R. 



Raceme, 201. 

 Racemose cyme, 210. 

 Rachis, 173, 193. 

 Radical hairs, 49. 



leaves, 135. 



Radicle, 344. 

 Ramal leaves, 135. 

 Ramenta, 48. 

 Ramification, 102. 

 Raphe, 533. 

 Raphides, 24. 

 Receptacle, 193, 294. 

 Receptacles of Secretion, 



54. 

 Reclinate, 144. 

 Reclinate ovule, 329. 

 Rectiserial, 141. 

 Reduplicate, 218. 

 Reflexed, 223, 

 Regma, 319, 

 Regular, 231. 

 Regular flower, 358. 



parenchyma, 28. 



Reliquiae, 133. 

 Reniform, 167. 

 Replum, 319. 

 Reproduction of : — 



Algae, 749. 



Angiospermia, 758. 



Characeae, 752. 



Equisetacese, 755. 



Filices, 755. 



Gymnospermia, 756. 



Hepaticaceae, 752. 



Lycopodiaceae, 753. 



. Marsileaceae, 753. 



Musci, 752. 



Reproductive Organs of.— 



Algae, 388. 



Characeae, 381. 



Equisetaceae, 371. 



Filices, 368. 



. Fungi, 385. 



