344 



INDEX 



Palisade tissue, i^?, i'.W. 



PalmaceiE, 341. 



Palm family : see Palmacese. 



Palms, 241, 2If2, 24.i. 



Papaveraoeaj, 261. 



Pappus, ..';v;, S77, 278. 



Parasites, 48, 85. 



Parenchyma, 280, B81, 2SS, S88. 



Parmelia, 7',i. 



Parsley: see Petroselinum. 



Parsley family : see Umbellifenc. 



P.irsnip : see Pastinaea. 



Parthenogenesis, 52. 



Pastinaea, 267. 



Pathology, 297. 



Pea : see Pisum. 



Peach : see Prunus. 



Peach curl, 60. 



Pea family : see Leguminosae. 



Pear : see Pirus. 



Peat, 119. 



Peltea, U6. 



Penicilliura, 60. 



Pentacycla?, 268. 



Pentstemon, 275. 



Peony, 220. 



Pepper, 211, 258. 



Pepper family : see Piperacea?. 



Perianth, 210, 22(i, 221. 



Periblem, 28S. 



Perigyny, 22.5, 22(1. 



Peristome, 121). 127. 



Peronospora, 55, Fii'i. 



Petal, 220, 221. 



Petiole, 141. 



Petroselinum, 267. 



Phajophyeeie, 6, 33. 



Phanerogams, 173. 



Phaseolus, 216, 305. 



Phloem, ^55, 387, 2SS, 2'.M, 2'.I2, 2!iJi 



Phlox, 228, 371. 



Photosyntax, 84. 



Photosynthesis, 84, 302. 



Phycomycetes, 50, 51. 



Physeia, 70. 



Physiology, 297. 



Picea, /;,';, 181, 1S2. 



Pileus, 71. 



Pine : see Pinus. 



Pineapple, 21.5. 



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



IS.'!, 184, 1S8, 101, 2.S6. 

 PiperaceiB, 358. 

 Pirus, 225, 362, 263. 

 Pistil, 100. 200, 210, 220. 

 Pisum, 365. 

 Pith, 28S, 387, 288. 

 Planococeus, 76. 

 Plantaginaceaj, 375. 

 Plant body, 6. 

 Plant societies, 318. 

 Plasmodium, 74, 75. 

 Plastid, 7, 8. 

 Platycerium, 132. 

 Plerome, 283. 

 Pleurococcus, 21. 

 Plum : see Prunus. 

 Plumule, 310. 

 Pod, 311, 212. 

 Pogonia, 249. 

 Polemoniacefe, 371. 

 Polemonium, 371. 

 Pollen, 174, 176, 197,201. 

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



206, S07. 

 Pollination, 181. 

 Polyembryony, 183. 

 Polymorphism, 63. 

 Polypetaly, 236. 

 I'lilyporus, 71. 72. 

 Polysiphonia, ,J4- 

 Polytrichum, 96, 



