251 



The Pines of Australia. 



f ,. ;w. 'H«^ 'III ?.r ■? 



Figure 174. — Longitudinal section through a decurrent leaf. The paren- 

 chymatous nature of the endodermal cells is well shown. 

 Coming in from th** top right centre is a bundle, and to the 

 right of which is some transfusion tissue. On the left is 

 another bundle with a thread-like bast fibre at the top 

 marking the phloem. The lacunfe are oil cavities. " Weep- 

 ing Pine," CaUitris sp., x 50. 



Figure 175. — ^Longitudihal section through the centre ot Figure 174., 

 showing the nature of the parenchymatous endodermal 

 cells in greater detail. CallUris sp., x 120. 



Longitudinal sections of a leaf of Callitris sp. 



