365 



The Pines of Australia. 



Figure 255. ^Transverse section of bark, showing the unconformity or 

 irregularity of structure. A. SidwilH, x 60. 



Figure 257. — Transverse section ot bark. The ligliter patches are 

 amorphous masses of stone cells irregularly distributed 

 throughout the bark. A. Bidtcilli, x 40. 



Figure 258. Transverse section through bark. The Hghter coloured 

 patch riinning through the section is a mass of amorphous 

 scierenchymatous cell substance. A. Bidwilll, x 60. 



Sections of bark of Araucaria Bidwilli. Hook. 



