PLATE XXVII. 



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

 wood. Folkestone Beds ; near Ightham, Kent. 



Fig. 1. Radial longitudinal section, showing the pitting of 

 various types of elements ; 6., the oval bordered pits 

 of the vessels ; p., the isolated, round, bordered pits of 

 the wood-fibres; m., the thickened walls of th<> 

 medullary ray-cells, with, r., groups of radial pits in 

 their walls, x 200. No. V. 13231 d (p. 263). 



Fig. 2. A small portion of the same section, further enlarged, 

 showing the scalariform bar-pitting, s., of the wood- 

 vessel; p., the round bordered pits of the wood-fibres. 

 X 400. No. V. 13231 d (p. 263). 



