The Pines of Ai"stk.\lia. 



312 



Fisnre 226. — Transverse section showing positions of annular rings, 

 the autumnal tracheitis being more closely packed. .'I. 

 sflasinoiiics, x lOO. 



Figure 227. — Tangential section through limber. Bordered pits can 

 just faintly be seen on the tangential walls of the tracheids. 

 The three broad dark bauds are manganese compound in 

 the trach(;ids. A. selaginoides^ x 90. 



Figure 228. — Kudia) acction of timber. The bordered pits on the radial 

 walls of the tracheids and the simple pits of the rays arc 

 traceable. Two complete annular rings arc scclioned, 

 A. stlaginoides, x 100. 



Sections of timber of Athrotaxis selaginoides, Don. 



