200 



DE8CBIPT1VE CATALOGUE 



very irregularly running tracheids. Some such np- 

 pearance might be expected from the very heart of 

 the wood, just near the pith, but the block from which 

 the section is cut proves it to come from the outer 

 regions of a large woody trunk. 



Fuller's Earth in the Lower Greensand ; \Voburn Sands. 

 Bedfordshire. Presented by tlie Rtv. F. F. Hort, HMO. 



m 



mz. 



Text-fig. f>8. CtiprcfisiHo.ri/lon Hortii, sp. nov. Transverse section to show 

 a small portion of the secondary wood with uniscrintc (ni.) and l>i- 

 seriate medullary rajs (m 2). No. V. 0059 a. 



V. 11848 & V. 11849. Other large pieces, from 15 x 12x8 cm. 

 downwards, all apparently part of the same trunk as 

 V. 11847, and found together. Fuller's Earth in the 

 Lower Greensand ; "Woburn Sands. 



Presented by the Rev. F. F. Hort, 1910. 



V. 5659, V. 5659 a-c. A wedge-shaped portion of secondary 

 wood, 6x2x9 cm. in size. The wood is entirely 

 decorticated, and shows externally the wood} texture. 



