TiiK Pines of Ausikalia. 



W 



Figure 58. —Transverse section through junction of inner Jand outer 

 cortex, showing empty oleo-resin cavities, also the changing 

 in section of the long axis of the bast fibres from tan- 

 gential in the inner to radial in the outer cortex. C- 

 verrucosa, x So. 



Figure 59. — Transverse section similar to Figure 5S, but at a higher 

 magnification, and so illustrating the remarks under that 

 figure. It further shows, however, the lysigenous origin 

 of the oleo-resin cavities. C. verrucosa, x 100. 



Sections of bark of Callitris verrucosa, R.Br. 



