INDEX. 



309 



Nepenthes, the, 257, 274. 

 Nervous structures, 3. 

 Nettle, flowers of, 33. 

 Nightshade, Deadly, 104 ; Black, 



104, 118. 

 Nipplewort, 141. 

 Nodes, suppression of, 30. 

 Nottingham Catch-fly, 252. 

 Nux-vomica, seeds of, 119. 



Oliver, Prof., 122. 

 Oolitic flora, 296. 

 Ophioglossiim japoniacin, 5 2 . 

 Ophrys apifera, 6. 

 Orchidacecz, the, 85. 

 Orchids, 87, 88. 

 Orchis, the Bee, 6. 

 Orobanche rapiini, '2.^'2.. 

 Ovary of flowers, 36. 

 Ovule, micropyle of, 36, 

 Oxalic acid in plants, 122. 

 Oxalis acetosella, 126. 



P^ONY, pollen of, 221. 



Palms, pollen of, 221. 



Pappus of Thistle, 102 ; Dande- 

 lion, 109; Goat's-beard, no; 

 Ragwort, in; Teazle, 112; 

 Centranthiis, 1 12. 



Parasitic Fungi, 254. 



Parnassus, Grass of, 283. 



Pas si flora gracilis, 54. 



Peach, 94. 



Pears, 99. 



Perfumes, protective, 137. 



Periploca Grceca, 53. 



Petaloidea, the, 194. 



Phyllodes, 203. 



Phyllotaxy, 30. 



Pine, 45, 102. 



Pines, pollen of, 221, 



Pin-eyed primroses, 79, 



Piiiguicida vulgaris, 127 ; grandi- 

 flora, 291 ; alpijta, 292; hisi- 

 tanica, 292. 



Pinics pwnilio, 133. 



Pistil of Vine, 33. 



Pitcher-plants, the, 257, 274, 275. 



Pithecolobiiim, 106. 



Plants, instincts of, 4 ; ringing, 1 1 ; 

 colony of leaves, 13 ; functions 

 of, 24 ; root-sheaths of, 25 ; 

 protoplasm in, 31 ; albuminoid 

 substances in, 32 ; poisonous 

 nature of, 117, 119; silica in, 

 130. 



Poison berries, 118; bulbs, 127. 



Pollen-grains, 33, 35. 



PolHnia of Orchids, 88. 



Polygojium convolvulus, 53 ; am- 

 phibiujii, 142. 



Polypetalous flowers, 81. 



Poplar, the, II 2. 



Potato, the, 56, 118. 



Prickles of Brambles, 1 50. 



Pritiglea, the, 68. 



Proboscidea jussieiii, 108, 



ProteacecB, the, 288. 



Protection against Aphides, 147 ; 

 of thorns and prickles, 149. 



Proterandrous flowers, 77" 



Proterogynous flowers, 77. 



Protoplasm in plants, 31. 



Protozoa, the, 3. 



Psychology, vegetable, 5. 



Pteris aqiiilina, 47, 129, 297. 



Piiccinia graininis, 255. 



Radicle of bean, 20. 



Ragwort, III. 



Ramcnciilacece, 122, 123, 126, 



196, 197. 

 Ramcncithis ficaria^ 84 ; acris, 



123. 

 Raspbeny, 98. 

 Ray Lankester, Prof., 207. 

 Razor-grass, 235. 

 Red Clover, 223. 

 Reproduction in plants, 32. 

 Rhinanthiis crista-galli, 252. 

 Rhizomes of plants, 189. 

 Rhododendrons, 41. 

 Riley, Dr., on Sarracenias, 273. 



