188 



CONIFERALES 



[CH. 



of the wood; xylem-parenchyma normally abundant and not 

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



FIG. 715. Cupressinoxylon 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 Neagh 1 in Ireland, probably of Upper Tertiary age, illustrate 



1 See vol. i. p. 80. 



