80 INDEX TO THE PLATES. 



Lennel Braes Tree, Pitus antiqua. 



9. Longitudinal section parallel to the bark. 100. 



10. Longitudinal section, parallel to the bark. 100. 



11. Transverse section shewing the pith, and part of the woody tissue. Natu- 



ral size. 



12. Transverse section. 150. 



PLATE VIII. Fossil Vegetables of Allenbank and Tweed- Mill. 



Tweed-Mill Fossil, Pitus antiqua. 



Fig. 1. Transverse section. 100. 



2. Longitudinal section, parallel to the medullary rays. 100. 



3. Longitudinal section, parallel to the bark. 100. 



Tweed-Mill Fossil, Pitus primseva. 



4. Transverse section. 100. 



5. Longitudinal section, parallel to the medullary rays. 100. 



6. Longitudinal section, parallel to the bark. 100. 



Allenbank Fossil, Anabathra puleherrima. 



7. Transverse section. Natural size. 



8. Transverse section of the tissue surrounding the pith. 100. 



9. Transverse section of the marginal portion. 100. 



10. Longitudinal section, parallel to the medullary rays. 100. 



11. Longitudinal section of the same kind. 100. 



12. Longitudinal section, parallel to the bark. 100. 



PLATE IX. Fossil Vegetables of the Coal Formation and Lias. 



Fossils of the Coal Formation. 



Fig. 1. Transverse section of Wideopen Tree, Pinites Brandlingi. 55. 



2. Transverse section of the same. 55. 



3, 4. Sections of the same. 55. 



