OF LOWER GREENS AXD PLANTS. 257 



together with the mineral granules, penetrate between 

 the partly disintegrated zones, among which lies the 

 twig of Sequoia yiyanteoides described on p. 70. 

 The false u growth-rings " can be seen very well 

 with the naked eye, and locally the tissues are very 

 beautifully petrified, as is indicated in the illus- 

 trations. 



V. 13230 b. Figured, PI. XXIV, fig. 1 ; text-fig. 75. Radial 

 longitudinal section in which the pitting can be very 

 well seen, also the parenchyma-cells locally present 

 between the pitted elements, and the medullary rays 

 in radial view. 



V. 13230 C. Figured, PI. XXV, fig. 2. Tangential longitudinal 

 section, in which the uniseriate rays are conspicuous. 

 The narrow ends of the fibres and their pitted walls 

 can also be seen at various places. 



Further sections from the same block are in the 

 Stopes Coll. 



Plant-band, Lower Greensand ; Luccomb Chine, Isle of Wight. 

 Found and presented by Dr. M. C. Slopes, 1912. 



