INDEX TO THE PLATES. 81 



Fig. 5, 6. Transverse sections of Newbiggin Tree, Pinites Brandlingi. 55. 

 7, 8. Transverse section of High Heworth Tree, Pinites ambiguus. 55. 



Fossil Vegetables of the Lias. 



Fig. 1. Transverse section of a fossil tree found near Whitby, Peuce Lindleiana. 

 Natural size. 



2. Transverse section of the same. 55. 



3. Transverse section. 45, 



4. Transverse section. 45. 



5. Transverse section, shewing part of the pith. 45. 



PLATE X. Fossil Trees of Wideopen, Ushaw, and High Heworth. 



Fig. 1. Transverse section of Pinites Brandlingi, from Wideopen. 100. 



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



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



4. Transverse section of Pinites Brandlingi, from Ushaw. 100. 



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



6. A similar section. The tissue confused. 100. 



7. Transverse section of Pinites ambiguus, from High Heworth. 100. 



8. Longitudinal section parallel to the medullary rays. 100. 



9. Longitudinal section, perpendicular to the medullary rays. 100. 



PLATE. XI. Structure of Coal. 



Fig. 1. Bovey Coal. Natural size. 



2. Bovey Coal. Transverse. 100. 



3. Jet. Natural size. 



4. Cannel Coal, from Lancashire. Transverse. 100. 



5. Longitudinal section of the same. 100. 



6. Transverse section of Coal, Pinites carbonaceus. 1 00. 



7. Transverse section of the same. 100. 



8. Longitudinal section of the same, parallel to the medullary rays. 100. 



9. Longitudinal section. 100. 



L 



