INDEX TO THE PLATES. 79 



PLATE V. Craigleith Tree of 1830. 



PLATE VI. Craigleith Fossil Tree of 1830, Pinites Withami; and 

 Branch of 1831, Pitus medullaris. 



Fig. 1. Transverse section of Tree of 1830. 100. 



2. Transverse section of the same, 100. 



3. Transverse section. The tissue more perfect 100. 



4. Transverse section. The tissue diversiform. 100. 



5. Transverse section of a branch found in 1831, shewing the pith and woody 



layers. Natural size. 



6. Transverse section of the pith. 55. 



7. Portion of a transverse slice, shewing the pith and woody tissue. 100. 



8. Transverse section, shewing part of three woody layers. 100. 



PLATE VII. Fossil Trees of Craigleith and Lennel Braes. 



Craigleith Fossils, Pinites Withami and P. medullaris. 



Fig. 1. Longitudinal section, parallel to the medullary rays, of the tree of 1826. 

 100. 



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



3. Longitudinal section, parallel to the medullary rays, of the tree of 1830. 



100. 



4. Longitudinal section, parallel to the bark, of the tree of 1830. 100. 



5. Longitudinal section, parallel to the medullary rays of the fragment found 



. in 1831. 100. 



6. Longitudinal section, parallel to the bark, of the fragment found in 1831. 



100. 

 1. Longitudinal section, parallel to the medullary rays, of the branch of 1831. 



100. 

 8. Longitudinal section parallel to the bark. 100. 



