Chapter III: Appendix: I. Comparative View of Paleozoic Floras 273

II. Heer's Latest Statements on the Greenland Flora 281

III. Mineralisation of Fossil Plants 284

IV. General Works on Palæobotany 286

LIST OF ILLUSTRATIONS.

PAGE

Table of Chronology of Plants (Frontispiece.)
Protannularia Harknessii 21
Nematophyton Logani (three Figures) 22, 23
Trail of King-Crab 28
Trail of Carboniferous Crustacean 28
Rusichnites 29
Palæophycus 30
Astropolithon 31
Carboniferous Rill-mark 33
Cast of Shrinkage Cracks 34
Cone-in-cone 36
Buthotrephis 37
Silurian Vegetation 40
Erian Plants 49
Protosalvinia 54
Ptilophyton (two Figures) 62, 63
Psilophyton (two Figures) 64, 66
Sphenophyllum 65
Lepidodendron 66
Various Ferns 72, 73
Archæopteris 74
Caulopteris 75
Megalopteris 76
Calamites 77
Asterophyllites 78
Dadoxylon 79
Cordaites 81
Erian Fruits 82
Foliage from the Coal-formation 111
Sigillariæ (five Figures) 112-114
Stigmariæ (two Figures) 115
Vegetable Tissues 117
Coals and Erect Trees (two Figures) 118, 119
Lepidodendron 120
Lepidophloios 121
Asterophyllites, &c. 122
Calamites (five Figures) 123-125
Ferns of the Coal-formation (six Figures) 126-129
Noeggerathia dispar 130
Cordaites 131
Fruits of Cordaites, &c. 132
Conifers of the Coal-formation (four Species) 135
Trigonocarpum 136
Sternbergia 137
Walchia imbricatula 138
Foliage of the Jurassic Period 177
Podozamites 178
Salisburia 180
Sequoia 181
Populus primæva 191
Stercalia and Laurophyllum 194
Vegetation of the Cretaceous Period 195
Platanus 198
Protophyllum 199
Magnolia 200
Liriodendron (two Figures) 201
Brasenia 207
Gaylussaccia resinosa 228
Populus balsamifera 229
Fucus 230

THE

GEOLOGICAL HISTORY OF PLANTS.