Journal Royal Society of N.S. TV., Vol XL1X , 1915. 



Plate XL I. 



V 





* ■ '...1 :•"#> 

 ■neb*- * ■** ^i vis* 





. • ' ■■ . ..v 



^■S«:*' 



FIG 15. TRANSVERSE SECTION FROM A 6 YEARS OLD STEM. X 15. 

 AVICENNIA OFFICINALIS, LlNN. 



