The Pines of Australia. 



^^Hi^rCst 



Figure 293 — Transverse section through timber at the junction ol the 

 autumnal and spring, growth. P. elata, x 65. 



Figure 29* — Similar section to Figure 293. The only manganese com- 

 pound is seen in the lower part of the ray, all on the right 

 centre of the picture. P. elata, x 80. 



Figure 295 ^Tangential section of timber. P. data, x 50, 



Figure 296 — Radial section of timber. Tlie ray cells are of a uniform 

 parenchymatous character, stained dark by the presence 

 of the manganese compound, which effect is also seen in 

 the thickened lamella of the tracheid walls — the dark lines 

 running from top to bottom of picture. Bordered pits 

 are seen to be fairly numerous. P. elata, x 50. 



Sections of timbers of Podocarpus elata, R.Br. 



