﻿CONTENTS. 



PAGE 



I. Introductory Remarks . . . . . .97 



II. General Observations . , . . . . .98 



III. Bibliography . . . . . . . .104 



§ 1. Steinhaur (Roots), 1818 . . . . . .105 



2. Witham (Stem), 1833 . . . . . . .108 



3. Lindley and Hutton (Roots), 1838 . . . . .108 



4. Brongniart {Sigillaria, &c), 1839 . ..... 108 



5. Morris (Roots), 1840 . . . . . . .112 



6. Goeppert (Roots), 1841 . . . . . .113 



7. Binney (Roots), 1844 . . . . . . .113 



8. Binney and Harkness (Roots), 1845 ..... 113 



9. Corda {Biploxylon), 1845 . . . . . .113 



10. King {Sigillaria and Anabathra), 1845 . . . . .114 



11. Binney (Roots), 1846 . . . . . . .118 



12. Brown (Roots), 1846 . . . . . . .118 



13. Binney (Roots), 1847 . . . . . . .118 



14. Hooker (Roots), 1848 . . . . . . .118 



15. Brown (Roots), 1848 . . . . . . .118 



16. Brown (Roots), 1849 . . . . . . .118 



17. Brongniart {Sigillaria, &c), 1849 . . . . .118 



18. Binney (Spores and Roots), 1849 . ... 119 



19. Dawson (Roots), 1854 . . . . . .119 



20. Goldenberg (Spores), 1855 . . . . . .119 



21. Binney (Roots), 1858 . . . . . . .119 



22. Binney (Roots), 1861 . . . . . . .119 



23. Binney {Sigillaria and Stigmaria), 1862 . . . . .119 



24. Binney {Biploxylon), 1865 . . . . . .121 



25. Binney {Sigillaria), 1865 . . . . . .122 



26. Binney {Stigmaria), 1865 . . . . . .127 



27. Carruthers {Sigillaria, &c), 1866 . . . . . .128 



28. Schimper {Sigillaria), 1870 . . . . .128 



29. Williamson {Stigmaria), 1871 . . . . . .131 



30. Williamson {Biploxylon), 1872 . . . . . .131 



31. Newberry {Sigillaria), 1873 . . . . . .134 



32. Renault and Grand' Eury {Sigillaria spinulosa), 1874 .... 135 



33. Brongniart {Sigillaria), 1875 ...... 136 



IV. Description of the Specimens ...... 136 



§ 1. Nos. 39 and 40. Sigillaria vascularis ..... 136 



2. Nqs. 41, 42, and 43. Stigmaria ficoides ..... 139 



3. No. 44. Sigillaris vascularis . . . . . .141 



4. No. 45. Stigmaria ficoides . . . . . .143 



5. Nos. 46 and 47. Stigmaria ficoides ..... 144 

 V. Concluding Remarks ....... 145 



