28 1 



The Pines of Australia. 



Figure 194. Transverse section through branclilet and the three acluale 



decurrent leaver. Three small oil cavities are sectioned 

 near the outer parenchymatous endodermal cells, surround- 

 ing the sclerenchymatous cells enlarged in Figure 196. 

 CMadeayana, x 70- 



Figure 197. — Longitudinal section through branchlet and two decurreni 

 leaves, showing an oil cavity in the right-hand one. There 

 is one row of parenchymatous pith vessels running through 

 the picture from top to bottom. C. MacUayana, x 70. 



Sections of leaves of C. Macleayana, F.v.M. 



