344 



INDEX 



Palisade tissue, 142, 295. 



Palmaceae, 241. 



Palm family : see Palmaceae. 



Palms, 241, 242, 243. 



Papaveraceae, 261. 



Pappus, 276, 277, 278. 



Parasites, 48, 85. 



Parenchyma, 280, 281, 282, 288. 



Parmelia, 79. 



Parsley: see Petroselinum. 



Parsley family : see Umbellifera3. 



Parsnip : see Pastinaca. 



Parthenogenesis, 52. 



Pastinaca, 267. 



Pathology, 297. 



Pea : see Pisum. 



Peach : see Prunus. 



Peach curl, 60. 



Pea family : see Leguminosae. 



Pear : see Pirus. 



Peat, 119. 



Pellasa, 146. 



Penicillium, 60. 



Pentacycla?, 268. 



Pentstemon, 275. 



Peony, 220. 



Pepper, 211, 258. 



Pepper family : see PiperaceaB. 



Perianth, 219, 220, 221. 



Periblem, 288. 



Perigyny, 225, 226. 



Peristome, 126, 127. 



Peronospora, 55, 56. 



Petal, 220, 221. 



Petiole, 141. 



Petroselinura, 267. 



Phaeophyceae, 6, 32. 



Phanerogams, 172. 



Phaseolus, 216, 265. 



Phloem, 285, 287, 288, 290, 292, 29+ 



Phlox, 228, 271. 



Photosyntax, 84. 



Photosynthesis, 84, 302. 



Phycomycetes, 50, 51. 



Physcia, 79. 



Physiology, 297. 



Picea, 179, 181, 182. 



Pileus, 71. 



Pine : see Pin us. 



Pineapple, 215. 



Pinus, 173, 175, 176, 177, 178, 181, 



183, 184, 188, 191, 286. 

 PiperaceaB, 258. 

 Pirus, 225, 262, 263. 

 Pistil, 199, 200, 219, 220. 

 Pisum, 265. 

 Pith, 285, 287, 288. 

 Planococcus, 76. 

 Plantaginaceae, 275. 

 Plant body, 6. 

 Plant societies, 313. 

 Plasmodium, 74, 75. 

 Plastid, 7, 8. 

 Platycerium, 182. 

 Plerome, 283. 

 Pleurococcus, 21. 

 Plum : see Prunus. 

 Plumule, 210. 

 Pod, 211, 212. 

 Pogonia, 249. 

 Polemoniaceae, 271. 

 Polemonium, 271. 

 Pollen, 174, 176, 197,201. 

 Pollen-tube, 179, 180, 181, 187, 202, 



206. 207. 

 Pollination, 181. 

 Polyembryony, 183. 

 Polymorphism, 63. 

 Polypetaly, 226. 

 Polyporus, 71, 72. 

 Polysiphonia, 44- 

 Polytrichum, 96. 



