X 



LIST OF ILLUSTRATIONS. 



PAGE 



Cordaites 81 



Erian Fruits 82 



Foliage from the Coal-formation Ill 



Sigillarise (five Figures) 112-114 



Stigmariye (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 primseva 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 9 228 



Populus balsamifera . . . . . . . . 229 



Fucus ....... . V . . ♦ . 230 



