_Aachenosaurus multidens_, 68 _Agathis australis_, 107 _A. Moorei_, 108 _A. robusta_, 108, 109 Amber, 65, 66 Amethyst Mountain, 59, 60, 104 Amundsen, E., 62 _Anacharis alsinastrum_, 20 Angiosperms, history of, 16, 53, 69, 70 Annual rings, 5-9 Antarctic fossil plants, 70, 117 _Araucaria Bidwillii_, 115 _A. brasiliana_, 109 _A. Cookii_, 111, 118 _A. excelsa_, 110, 111, 114, 115, 118 _A. imbricata_, 109, 111, 113, 118 Araucarieae, 106-120 Araucarioxylon, 112 _Araucarites Oldhami_, 113 _A. sphaerocarpus_, 116 Arbutus Unedo, 31-33, 36 Archaean rocks, 43 Arctic plants, 22, 23, 30, 69, 127 Arctic-Alpine plants, 22, 23 Arizona, fossil forests of, 59 Artocarpus, 28, 29 Baiera, 129, 131 Banks, Sir Joseph, 110 Barry, forest beds at, 13 Bennett, A., 21 _Bidens tripartita_, 46, 47 Bishop, Mrs, 126 Bommer, C, 73, 82, 89 Bovey Tracey, fossil plants from, 101-103 Bower, Prof., 73 Bracken Fern, 75, 77, 83, 87 Brandon, flint-knappers of, 3 Brigg, dug-out boat from, 10, 11 British flora, 19-38 _Caltha palustris_, 47 Campbell, Prof. D. H., 79 Candolle, A. P. de, 7, 33 Canton, W., 34 Carboniferous plants, 66-68, 72-75, 127 Carruthers, Dr W., 115 Cedars, 27 Cheddar Pink, 24 _Cinnamomum prototypum_, 65, 66 Climate, fossil plants and, 68, 69 Coal age, plants of the, 19, 66, 67 Connemara, 30, 31 Cook, Capt., 111 Coral polyps compared with plants, 8 Cordaites, 112 Cornwall, Pyrenean Heaths in, 31 Cretaceous plants, 16, 17, 53, 82, 117 Cromer Forest bed, 48 _Cryptomeria japonica_, 111 Cycads, 11, 72-74 _Daboecia polifolia_, 30 Dacrydium, 85 Dakota group, flora of, 17 _Dammara alba_, 107 Darwin, C, 16, 24, 25, 33, 39, 40, 61, 133 Devonshire, Pyrenean Heaths in, 31 _Dianthus caesius_, 24 Dipteris, 77, 92-94 _D. conjugata_, 92, 93 _D. Horsfieldii_, 86, 93 Disco Island, Fossil plants from, 28, 69, 82, 103 Discontinuous distribution, 26 Dispersal of plants, rate of, 25, 26 Distribution of plants, 15-38 Drift-wood, 61-63 _Dryas octopetala_, 22 Dufferin, Lord, 61 _Elodea canadensis_, 20, 21 Engler, Prof., 23 _Erica ciliaris_, 31 _E. Mackaii_, 31 _E. mediterranea_, 30, 31 _E. vagans_, 31 _Eriocaulon septangulare_, 35-38 Ettingshausen, Baron, 105, 132 Ferns, 71-94 Flowering plants, see Angiosperms Forbes, E., 31-34, 37 Fossil plants, as thermometers, 68; preservation of, 56-70