PLATE 1. 



Fig. a. Radial view of an undescribed wood from the Liaa of Yorkshire, 

 England, showing the Araucarian type of pitting. X 100. 



Fig. 6. Radial view of the wood of the same showing pitted character of the 

 medullary ray X 100. 



Fig. c. Transverse section of the wood of the cone-axis of Agathis australis, 

 showing the strong normal pitting of the ray cells near the pith. 

 X 100. 



Fig. d. Radial section of the same showing character of the tracheids and 

 the ray cells. X 100. 



Fig. c. Part of the same. X 300. 



Fig. /. Injured wood of the root of the same in transverse section, showing 

 the thick-walled, strongly pitted ray cells formed traumatically. 

 X 100. 



