XLIV] 



CUPRESSINOXYLON 



191 



and rarely bordered, in the field. Resin-cells are abundant. 

 Lignier suggests that if the genus Cupressinoxylon is subdivided 

 this species might be referred to Glyptostroboxylon, though the 

 medullary-ray pitting is not consistent with the characters of that 

 genus. 



Cupressinoxylon vectense Barber. 



Founded on both stem and root wood from the Lower Green- 

 sand of the Isle of Wight and described by Barber 1 with a thorough- 



Fio. 716. Cupressinoxylon vectense. Transverse section of branch-wood showing 

 a compound ring. (After Barber.) 



ness of detail rarely met with in accounts of petrified wood. Dr 

 Stopes 2 has recently re-described this species, adding a figure of the 

 medullary-ray pitting. Annual rings well marked, often illustrat- 

 ing the occurrence of compound rings of growth (fig. 716) which 

 are discussed in detail in the original account ; bordered pits in a 



1 Barber (98) Pis. xxm. xxiv. 



2 Stopes (15) p. 169, text-fig. 50; also text-figs. 48, 49, and PI. xv. 



