PLATE XXVIII. 



Cantia arlorescens, gen. et sp. nov. Sections of secondary 

 wood. Folkestone Beds ; near Ightham, Kent. 



Fig. 1. Iladial longitudinal section, showing the numerous 

 medullary rays, the pits in the vessels v., and the 

 tyloses filling the vessels t. No. V. 13231 c (p. 2G3). 



Fig. 2. Part of a medullary ray, enlarged ; radial view of the 

 cells showing their thickened and pitted walls, a., the 

 pits in the end-walls ; w., the pits in upper and lower 

 walls of adjacent ray-cells ; r., the groups of round pits 

 in the radial wall, x 350. No. V. 13231 d (p. 263). 



