822 



INDEX 



Phaseolus, -ji^. 



Phelloderm (Fig. 59), 129. 



Phellogen (Fig. 59), 129. 



Pkleum, 532, 552, 666. 



Phloem, 117, 119. 



Phosphorus, 173. 



Photosynthesis, 208, 210. 



Phragmites, 205. 



Phycomycetes, 688, 689, 692. 



Phyllaries, 470. 



Physiology, 3, 152. 



Phytophthora, 697 (Figs. 234, 235), 699. 



Picea, 134. 



Pickling of cereal grains, 721, 722, 725. 



Pileus, 742 (Fig. 251). 



Piliferous layer, 141 (Fig. 72). 



Pimpernel, 89, 99, 252. 



Pine-apple, 278. 



Pine, Scots, 134. 



Pinks, 326. 



Pinnate, 71. 



Pinnateiy-veined, 69. 



Pinnatifid, 71. 



Pinnatipartite, 71. 



Pinnatisect, 71. 



Pinus, 134. 



Piper's thick-set wheat, 521. 



Pistil, 79. 



Pistillate, 87. 



Pisum, 412, 439. 



Pith, 113. 



Pits, no (Fig. 50). 



Placenta, 85. 



Placentation, 87. 



Plantain, 70, 90, 99 (Figs. 45, 199), 280, 



649, 675. 

 Plantago, go, 280. 

 Plants, I. 



Plant diseases, 687. 

 -Plant-names, 322. 

 Plasmodiophora, 765. 

 Plasmodium, 323, 765 (Fig. 259). 

 Plasmolysed, 179. 

 Plasmopara, 713. 

 Plastids, 107. 

 Pleomorphic, 682, 

 Plerome, 149 (Figs. 76, 77, 100). 

 Plum, 39 (Figs. 19. 28, 29, 75, 124), 49, 



67, 99, 102, 114, 155, 262, 263, 264, 



278, 30s, 397-399. 739- 

 Plumule (Fig. 3), 10. 

 Poa, S42, 552. 



Polish wheat, 516. 518 (Fig. 167). 

 PoUard, 51. 

 Pollen, 84. 

 grain, 84 (Figs. 36, 97, 99), 269. 



Pollen sac, 84 (Fig. 36). 



tube, 270 (Fig. 97, 99). 



Pollination, 279, 299. 

 Polyadelphous, 85. 

 Polyarch, 142. 

 Polycarpic, 6. 

 Polych^iura, 93. 

 Polygonaceas, 325, 600, 610. 

 Polygonum, 326, 600. 

 Polypetalous, 83. 

 Polysepalous, 83. 

 Pome, 100 (Fig. 126). 

 Poplar, 51, 66, 102, 136. 

 Poppy, 27, 81, 89, 98, loi, 590. 

 Populus, 66, 136. 

 Potassium, 173. 



Potato, 4, 18, 29, 56, 85, 99, 229, 263, 

 268, 305, 308, 456 (Figs. 138-146). 



diseases, 697-712. 



varieties of, 460, 465. 



Potato oat, 496. 

 Potentilla, 403, 606. 

 Poierium, 408. 

 Primary axis, 10, 40. 



bast, 125. 



cortex \c Fig. 60). 



medullary rays, 126 (Fig. 62). 



root (Fig. 4). 



Primary shoot, 34. 



wood, 125 (Fig. 60). 



Primordial utricle, 107. 

 Primrose, 83, 87, 281, 282. 

 Privet, 62, 69, 77. 

 ProliBc hop, 341. 

 Promycelium, 683, 716. 

 Prophylla, 8g. 

 Prosenchyma, 112. 

 Proskowetz, E., 311. 

 Prostrate stems, 53. 

 Protandrous, 280. 

 Proteids, 165, 221. 



formation of, 217. 



Proteid-crystal, 167. 

 Proteid-grains, 167. 

 Protobasidiomycetes, 726, 

 Protogynous, 280. 

 Protoplasm, 105, 106, no. 

 Protoxylem, 119. 

 Prunella, 327, 610. 

 Pruntis, 30, 65, 66, 264, 397, 399. 

 Prussic acid, 231, 399. 

 Psalliota, 740. 

 Psamma, 533. 

 Pseudocarp, 96. 

 Pseudomonas campestris, 806. 

 Pseudo-parenchyma, 679. 



