1 63 



The Pines oe Austraija. 



Figure 94. — Transverse section through branchlet and decurrent leaves, 

 showing various diameters of oil cavities at the point of 

 section. C. aretxosa, x 80. 



Flgure_95, — Transverse section through branchlet and three decurrent 

 leaves, with an oil cavity in each of the latter sections, 

 just about the middle. C. arenosa, x 80. 



Figure 96. — Transverse section through branchlet and leaves, clear of 

 oil cavity in the latter. The dark patches in and around 

 the centre are the brown manganese content in the cells. 

 C. arenosa, x 80. 



Figure 97. — Transverse section through branchlet and leaves, with oil 

 cavity in each of the latter. C. arenosa, x 80. 



Cross sections of branchlet and leaves of C. arenosa, A. Cunn. 



