r 



The Pines of Australia. 



Figure 130.— Transverse section through branchlct and drcurrent leaves, 

 well below the oil cavities. The endodermal and trans- 

 iu ion tissue;, connected with the palisade parenchyma by 

 the spongy tissue, are massed in the lower half of each 

 leaf and surround a leaf bundle and the median axis. 

 Stained with hematoxylin and safranin. C. caicarata. 



—An enlargement of the centre of Figure 130, showing more 

 particularly the lari;c proportion of _ transfusion tissue (with 

 the bordered pits) amongst the endodermal cells in the 

 neighbourhood of each leaf bundle. The three wedgL-- 

 shaped ca\itie5 are the bases of the decurrcnt channels. 

 Stained with hsematoxylin and safranin. C. calcarata, 

 X 150. 



