PLATK XVIII. 



Cupi'essinoxylon Jlortii, sp. nov. Sections of wood. 

 Lower Greensand; Woburn Sands, Bedfordshire. 



Fig. 1. Transverse section of part of one annual ring, showing 

 the broad numerous rays. The dark elements scat- 

 tered through the wood are the resin-containing xylem- 

 parenchyma. No. V. 11847 a (p. 194). 



Fig. 2. Tangential section showing the exceptional nature of 

 the uniseriate and multiseriate rays, and their largo 

 number. m., multiseriate ray, which is uniseriate 

 lower down; &., bifurcating ray. No. V. 

 (p. 198). 



