OF LOWER GREEXSAND PLOTS. 



189 



examination with a lens of the two figures in PI. XVI. The 

 longitudinal sections show large, round, isolated, bordered pits, 

 the diameter of the border being nearly equal to that of the 



Text-fig. 5 t -Cupressinoxylon cryptomerioides, sp. nor. Eadial longi- 

 tudinal section, showing the traeheid-pitting, tp., the outline of the 

 medullary rays, and the pitting on their radial walls, p., as well as the 

 resin-parenchyma, r.p. No. 13208 c. 



tracheid-wall in which it lies (PI. XVII, fig. 1, t.p., & text- 

 fig. 54, #/>.). In the autumn wood the pits are relatively rather 



