188 



CONIFEEALBS 



[CH. 



of the wood; xjdem-parencliyma normally abundant and not 

 restricted to the end of the year's growth. The photographs 



Fig. 715. Cuimssinoxylon sp. Lough Neagh, Ireland; p, xylem-parenchyma. 

 (British Museum; A. V. 8248. B. V. 8253, C. V. 8257.) 



reproduced in fig. 715 of sections of a piece of petrified wood from 

 Lough Neaghi in Ireland, probably of Upper Tertiary age, illustrate 



' See vol. I. p. 80. 



