531 



evidence is unsatisfactory; however, pits do not seem to be 

 present. 



No rims of Sanio are apparent. 



Mesembrioxylon, sp. 



Moorlands B (fig. 3). 

 A considerable amount of compression has taken place in 

 certain regions of this specimen. The medullary rays and the 

 lumen of the tracheids are filled with brown contents. 





C 





Fig. 5. 



Mesembrioxylon, sp. Yiallourn B. 



Radial section showing pits in the 



field and pitting on the radial and 



oblique walls of the tracheids. 



x275. 



Growth rings are present. 



Bordered pits uniseriate, separate, and circular (fig. 3)^ 

 only showing in regions of better preservation. 



Medidlary rays uniseriate, two or three cells high, rarely 

 four or five. Many ray cells have dark-brown contents. 



