i8i 



INDEX. 



Abbott, W. J. L., 54, 151. 



Accidental dispersal of plants, 20, 21, 



26, 30, 31, 97. 

 Acer campestre, 24, 28, 68, 85, 113. 



numspessulanum, 53, 88, 95, 98, 



99, "3- 

 — — platanoides, 75, 82, 113. 



Pseudo-platanus, 12, 16, 24, 28, 



Acorns, dispersal of, 23, 29, 30. 

 Adaptation for dispersal, 2, 4, 20-32. 



to environment, 2, 4. 



Admiralty Offices, London, 54. 

 yEtkusa Cynapium, 66, 89, 124. 

 Airdrie, Lanark, 54, 68. 



Ajuga reptans, 137. 



Albert Dock, N. Woolwich, 55, 93. 



Alchemilla arvensis, 117. 



Alder, 39, 52, 144. 



Alisma Plant ago, 154. 



ranunculoides, 81. 



AUenton, near Derby, 55. 

 Alnus glutinosa, 39, 52, 144. 

 incana, 39. 



Alpine flora of Britain, 2, 3, 13, 14, 20, 



21, 25-27, 40, 53. 

 Alternations of climate, 2, 7, 8, 20, 21, 



33-47. 97- 

 Amphibia, dispersal of, 7. 

 American plants in Britain, 18, 19. 

 America, prairie vegetation of, 15. 

 Andersson, Dr. Gunnar, 51, 92, loi, 



106, 107, 111-116, 119, 121-125, 



131-134, 136, 139, 141, 143, 147- 



152, 154-156, 158-160, 163, 164, 



166-169. 

 Andromeda Polifolia, 100, 133. 

 Angelica sylvestris, 124. 

 Animals and plants, interdependence of, i 



4, 6, 23-32, 97. \ 

 geographical distribution of, 



2, 3. 6, 7. 



Animals, means of dispersal of, 6, 7. 



use of fossil, in classification, 



S3. 54- 

 Annual plants, conditions needed by, 



II, 12. 

 Anthriscus sylvestris, 123. 

 Apium graveolens, 122. 



nodiflorutn, 122. 



Apple, 28. 



Apus glacialis, 56, 57. 



Aquatic plants, distribution of, 14. 



means of dispersal of, 26. 



Arbutus, 17, 18, 26, 42. 

 Arctic mammals in Britain, 7, 20, 21, 

 40-42, 45, 81, 83, 93, 94. 



plants in Britain, 2, 13, 14, 20, 21, 



25-27, 37. 39. 40. 50. 52, S3. 79. 99. 

 loo. 



Regions, plants of the, 39, 99, 



loo. 



Willows, 14, 57-59, 62, 64, 65, 



68, 70. 73. lly 78, 83, 84, 99, 149. 

 Arctostaphylos alpina, 132. 



Uva-ursi, 21, 23, 42, 



100, 132. 

 A renaria peploides, 1 10. 



trinervia, 82, 109. 



Armistead, J. J., on dispersal of acorns, 



29, 30. 

 Arnold- Bemrose, H. H., 55. 

 Ash, 24, 28, 69, 82, 133. 

 Aster Tripoliuni, 128. 

 Atriplex patula, 138. 

 Athyrium Filix-foeniina, 168. 

 Auchtertool, 66. 

 Ayrshire, 66, 79, 80, 84. 



Bacton, 56. 



Baker, E. G. , on Kerry Plants, 4. 5. 



