Chapter VI.--Fossil Vegetables, 86. Fossil Cryptogamia, 87. Recent

Diatomaceæ, 88. Fossil Diatomaceæ, 93. Fossil Coniferæ, 100. Fossil Fucoids, 101. Chondrites, 101. Moss-agates and Mocha-stones, 103. Equisetaceæ, 105. Calamites, 107. Filicites or Fossil Ferns, 109. Pachypteris, 112. Sphenopteris, 112. Cyclopteris, 114. Neuropteris, 115. Glossopteris, 115. Odontopteris, 116. Anomopteris, 116. Tœniopteris, 117. Pecopteris, 118. Lonchopteris, 119. Phlebopteris, 120. Clathropteris, 121. Stems of Arborescent Ferns, 122. Caulopteris, 123. Psarolites, 123. Sigillariæ and Stigmariæ, 125. Internal Structure of Sigillariæ, 130. Stigmaria, 132. Lepidodendron, 137. Lepidostrobus, 140. Triplosporite, 142. Lycopodites, 143. Halonia and Knorria, 143. Asterophyllites, 145. Sphenophyllum, 147. Cardiocarpon, 147. Trigonocarpum, 148. Fossil Cycadaceæ, 150. Pterophyllum, 152. Zamites, 152. Trunks and Stems of Cycadaceæ, 156. Mantellia, 157. Clathraria, 159. Endogenites, 163. Fossil Coniferæ, 164. Fossil Coniferous Wood, 167. Palæoxylon, 167. Pence, 168. Araucarites, 168. Sternbergia, 168. Petrified Forests of Conifers, 169. Coniferous Wood in Oxford Clay, 172. Coniferous Wood in Chalk, 173. Tertiary Coniferous Wood, 175. Fossil Foliage and Fruit of Coniferæ, 175. Araucaria, 175. Pinites, 176. Walchia, 177. Abietites, 178. Thuites, 180. Voltzia, 180. Taxites, 181. Nœggerathia, 181. Fossil Resins and Amber, 181. Fossil Palms, 183. Fossil Palm-leaves, 185. Fossil Fruits of Palms, 186. Fossil Fruits from the Isle of Sheppey, 186. Nipadites, 190. Fossil Fruit of Pandanus, 192. Wood perforated by Teredines, 193. Fossil Liliaceæ, 194. Fossil Fresh-water Plants, 195. Fossil Fruits of Chara, 195. Fossil Nymphaeæ, 197. Fossil Flowers, 197. Fossil Angiosperms, 197. Fossil Flora of Œningen, 200. Carpolithes, 202. Fossil Dicotyledonous Trees, 203. Dicotyledons of the Cretaceous Epoch, 205. Retrospect of Fossil Botany, 206. On Collecting British Fossil Vegetables, 211. British localities of Fossil Vegetables, 213.