The Pines of Australia. 



-Transverse section through a central axis (branchlet) and 

 portions of the decurrent leaves at the centre of the oU 

 ca\ities, one being shown in each leaf. The dark-stained 

 cells surrounding the median axis contain the manganese 

 compound. Below each oil cavity is a bundle with its 

 laterally placed transfusion tissue. The papillose pro- 

 jections of the ventral surfaces in the decurrent channels 

 are distinctly seen. Stained lightly with hasmatoxylin. 

 C. robusta, x So. 



