XIV 



INDEX. 



Pinnatiaect 

 Pinnules . 

 Pinus excelsa 



Gerardiana 

 Khasya . 

 longi folia 



PAGE. 



23 

 26 



134, 136, 194, 224, 2^7, 



244, 246 



246 



246 



15, 18, 136, 220, 224, 244, 

 246 

 246 



. 232, 233 

 185 

 63 



41-43, 47 53, 54 

 . 53, 54 



Merkusii 

 Pioneer plants . 

 Pipal 

 Pips 

 Pistil 



Pistil, characters of 



Pistillate flower ... 45 



Pith .... 16, 17, 77 



Pits ...... 71 



Placenta ..... 53 



Placentation .... 53 



Plaited ..... 51 



Plane (Platanus) . . . 34, 216 

 ,, lateral .... 46 



median .... 46 



oblique .... 46 



Plano-convex .... 62 



Plant-communities . . . 233 



,, crops, succession of . . 233 



distribution, factors affect- 



218 



3,20,89,91,93, 103, 

 104, 178-180 



mg 

 food-materials 



generations, succession of . 

 highly organised 

 life, conditions of 



,, duration of 

 members, development and 



structure of . 

 members, duration of 

 members, texture of . 

 movements 



233 



2,91 



85 



176 



77 

 63 

 63 

 105-108 



Plants 1,2 



deciduous . 67, 100, 101, 229 

 dependent on other plants 225, 226 

 effect on plant-distribu- 

 tion ... 225 

 evergreen . 67, 100, 101, 229 

 functions of . .2, 3, 85, 86 

 green . . 178-180,204 

 gregarious ... 67 

 higher, functions of . 93 

 pioneer . . 232, 233 

 sporadic ... 67 

 their influence on plant- 

 development . . 183 

 Platanus . . . . ..34,216 



Plicate 35,51 



Plumule 59 



Pneumatophores . . . 248 



Pogostemon plectranthoides . . 29 



Poisonous substances 93,205,206, 216,225 

 excretion of 



by plants 226 



Polar Zone ... 222 



Pollard- shoots . 

 Pollen 



,, grains 

 sacs 

 tube 



Pollination . 42, 111 



Pollinia 

 Poly-adelphous . 



,, androus 

 Polygamous 

 Polygonum > 

 Polymorphic leaves . 

 plants . 



Poly-petalous 

 ,, phyllous . 

 ,, sepalous 

 Pongamia glabra 

 Poplar .... 

 Poppy . . 



Populus ciliata . 



,, euphratica . 

 Pores .... 



,, water 

 Position, of leaves and buds. 



,, of parts of flower 

 Positively geotropic . 

 ,, heliotropic . 

 ,, hydrotropic 

 Posterior side of flower 

 Potassium. . . 93-95, 

 Potato .... 



disease . 

 Premna latifolia 

 Prepotent pollen 

 Preservation, of specimens . 

 Pressure, root 



Prickles .... 

 Prickly Pear 

 Primary nerve . 



root 

 Primula 



Prinsepia utilis . 

 Procumbent stems 

 Products, waste 

 Promycelium 

 Prosopis spicigera 

 Prostrate stems 

 Protandrous 



Protection, of young leaves 

 Proteid grains 

 Prothallium 

 Protogynous 

 Protonema 

 Protophloem 

 Protoplasm . . 1, 



continuity of 

 Protoxylem 

 Pruinose . 

 Pruning . 

 Psoralea corylifolia 

 Pteridophyta . . 126, 

 Pleris aquilitta , , t 



PAGE. 



171 



41,51,53,111 



. 53, 143 



. 51, 143 



. 55, 143 



,115,182,22? 



53 



52 



45 



. 46, 111 

 31 

 27 



. 128, 135 

 43 

 43 

 43 



17, 249, 250 



. 222,226 



45 



244 



238 



17, 18, 74 



100 



9 



44 

 105 

 107 

 108 

 46 



183, 204, 207 



11, 109, 208 



131, 187-190 



29 



. 115, 151 



103 



96, 97 



63 



12 



21 



5 



112 



16, 34 



10 



. 69, 90 

 196 



. 219,237 



10, 65 



. Ill, 113 



. 35, 36 



. 70, 205 



140, 142, 143 



111 



138 



76 



68-70, 85-90 

 72 



. 76, 79 

 64 



.' 167, 168 

 66 



139-142, 147 

 11,140 



