Lndex. 
Gorse, 22, 23. 
Grass-seeds, dispersal of, 71, 87, 167. 
Grays, Essex, 52, 71. 
Green, Prof. A. H., 85. 
Greenock, 70, 71. 
Gregarious plants, 15, 22, 23. 
Grossen-Bornholt, Holstein, 72. 
Griinenthal, Holstein, 52, 71, 75. 
Habitat of plants, 4, 10, 13. 
Hackney, 88, 
Hailes, near Edinburgh, 52, 53, 60, 62, 
65, 68, 70, 72-74, 80, 86, 92. 
Hampshire, 16, 32, 34, 41, 52, 88-92, 
94, 95, 98, 100. 
Hanover, 52, 75. 
Happisburgh, 74, 106. 
Hartstongue, 66, 168, 
Hawthorn, 26, 58, 70, 84, 119. 
Hazel, 66, 84, 145. 
Heaths, 15, 18, 22-27, 
Hedera Helix, 26, 28, 31, 61, 65, 71, 
125. 
Heer, Dr. O., 59, 147, 152. 
Henbane, 24. 
Henderson, J., 86. 
Heracleum Sphondylium, 125, 
Hertfordshire, 52, 74, 75. 
Hicks, Dr. H., 67. 
Hieracium Pilosella, 130. 
Hippophae rhamnoides, 141. 
Hippopotamus, 54, 55. 
Hippuris vulgaris, 120. 
Historical method in botany, 3, 6. 
Hitchin, 52. 74,75. 
Holderness, 53, 60, 75-77, 79-81, 87. 
Holly, 26, 72, 75, 112. 
Holmpton, 75. 
Holstein, 52, 67, 71, 72, 75+ 
Honerdingen, Hanover, 52, 75+ 
Hope and Fox, Messrs., 89. 
Hornbeam, 16, 24, 26, 75,,144: 
Horned poppy, 22. 
Hornsea, Yorks, 76, 77- 
Horse chestnut, 11, 16. 
Hoxne, 44, 52; 53: 71) 72:74:77) 78: 90 
Hoy, Orkney, 29, 30 
Human agency, flora modified by, 11, 
12, 14-17, 19. 
Hydrobia marginata, 83. 
Hydrocotyle vulgaris, 122. 
Alyoscyamus, 24. 
Hypericum elodes, 111. 
—— perforatum, 110. 
guadrangulum, 110. 
Iberian plants in Britain, 2-5, 14, 15, 
17, 18, 24, 27,40, 42. 
Ice, floating, in the English Channel, 7, 
4L, 43, 45, 52, 88, o1. 
Ice-sheets, extermination by, 3, 40. 
Llex Aquifolium, 26, 72, 75, 112. 
Imperfections of the geological record, 
3, 97, 98. 
Insular floras, 8, 12, 33, 97. 
Intercrossing of British with continental 
plants, 12. 
Interglacial periods, 36, 38, 42-44, 52, 
53, 63, 68, 72, 75. 77, 78, 81, 83, 
84, 86, 88, 91, 92, 94, 95, 98, 106, 
171-179. 
Introduced plants, 11, 12, 14-16, 19, 31, 
32, 38, 46, 53, 73, 86, 87, 89, 93, 
98, 137, 141. 
Ireland, Alpine plants of, 13. 
- American plants in, 19. 
fossil plants of, 79. 
- Lusitanian flora in, 2-5, 14, 15, 
17, 18, 26, 27, 40, 42. 
fris, 28, 82, 153. 
Isle of Man, 56, 57, 61, 62, 79, 80. 
Wight, 41. 
Tsoetes lacustris, 169. 
Isolated ponds, plants of, 14, 28, 32. 
Ivy, 26, 28; 31, 61, 65, 71, 125. 
Juglans, 75, 76. 
Juncus, 22, 26, 66, 69, 87. 
Juniperus communis, 76, 151. 
Kamtschatka, Spéranthes 
viana in, 19. 
Keilhack, Dr. K., 81, 109, III, 113, 
122, 131, 145, 148, 169. 
Kelsey Hill, Yorks, 79. 
Kerry, Iberian plants of, 4, 5, 19. 
Romanzo- 
