Index. 



187 



Najasjlexilis, 75, 76, 159. 



graminea, 53, 95, 99, 160. 



marina, 46, 57, 76, 81, 86, 100, 



159, 160. 

 minor, 52, 53, 86, 95, 99, 100, 



160. 

 Nathorst, Prof, A. G., 51, 59, 60, 65, 



81, 82, 109, III, 112, 119, 120, 132, 



139, 141, T43. 147. 149. 169. 

 Natural seJejtion in insular floras, 12, 21. 

 Nehring, Prof. A., 51, 81, 153. 

 Neolithic Period, 38, 45, 46, 53, 58- 



71, 76, 79, 86, 90, 92, 93, 96, 98, 



106, III, 171-179. 

 New Forest, 16, 32. 

 Norfolk, I, 14, 15, 18, 27, 32, 35, 36, 39, 



50-52, 56-59, 64, 74, 82-85. 88, 



89, 93, 94. 97, TOO. 



Northampton, 83, 



North Sea Canal, 72. 



North Sea, freezing of the, 39. 



Norway, horse-chestnut in, 11. 



Nuphar luteum, 28, 68, 72, 75, 81, 83, 



105. 

 Nymphcea alba, 28, 68, 72, 75, 81, 82, 



96, 106. 



Oak, 23, 25, 26, 28-30, 46, 53, 57, 58, 



100, 145, 146. 

 Oceanic islands, plants of, 8, 12, 33. 

 CEnantheJistulosa, 123. 



Lachenalii, 123. 



Phellandrium, 124. 



Opium Poppy, 63, 98, 1 06. 

 Orkney, seedlmg oak in, 29, 30. 

 Osmunda rigalis, 91, 96, 168. 

 Ostend, Norfolk, 56, 83, 84. 

 Outliers in botany, 19, 22, 23, 40. 

 Overstrand, 84, 

 Overtoun, Ayrshire, 84. 

 Oxalis Acetosella, 23, 112. 

 Oxford, 84, 85. 

 Oxyria digyna, 100, 139. 



Pakefield, 85, 86. 

 Palaearctic flora, 7. 



Palaeolithic man, 38, 45, 74, ^jj, 78, 85, 

 88, 91, 93, 100. 



Pjpaver Argemene, io5. 

 sovmiferum, 63, 



106. 



Paradoxocarpus^ see Stratiotes. 

 Parkstone, Dorset, 86, 

 Pear, 65, 119, 

 Peat-mosses, Oaks in, loo. 



Pine in, 16, 86, 100. 



plants of, 14, 15, 22, 49, 



79- 

 Pedicu la ris pa lustris, 135. 

 Pengelly, W., 59. 

 Peniland Firth, acorns carried across, 



30- 

 Perennial plants, conditions needed by, 



II, 12. 



in oceanic i-slands, 12. 



Perthshire, 53, 64. 



Peucedanum. palustre, 124, 



Phillips, Prof. J., 76. 



Phraginiies communis, 57, 80, 167. 



Physical geography, past changes in, 2, 



7, 8, 27, 28, 33-47. 

 Picea excelsa, 52, 64, 82, 8j, 99, 151, 



152. 

 Picris hieraciodes, 85, 130. 

 Piette, Ed,, on cultivated forms of 



Prumis, 114. 

 Pinguecula grandifiora, 5. 



vulgaris, 5. 



Pinus maritima, 12, 99. 



montana, 152. 



sylvestris, 16, 24, 26, 53, 57, 64, 



82, 86, 99, 100, 152, 153. 

 Plantations, influence of, 16. 

 Pliocene flora, 34-36, 97. 

 Platafius, 75, 76. 

 Pods, ejection of seeds from, 23. 

 Poisonous fruits, 31. 

 Pollen, effects of wind-borne, on island 



plants, 12. 

 Polygonum amphibium, 139. 



■ Aviculare, 138. 



Hydropiper, 138. 



la pathi folium, 139. 



Persicaria, 139. 



viviparum, 139. 



Polystichum, 76, 81. 



Ponds, plaats of isolated, 14, 28, 



32- 

 Poplar, 61, 76, 81, 150. 

 Poppy, 24, 32, 63, 98. 

 Populus canescens, 71, 150. 



