The I'ixes of Australia. 



270 



Figure 186.— Trans\'crso ^(-ction through vernal timber. The three 

 paraJKl black bands exlcndinn from top to bottom of 

 picture mark three medullary rays — the black colour being 

 due to the brown manganc'e compound. C. MueHeri, x 120. 



Figure 187. — Radial £eclion through limber. The bordered pits are 

 very numerous on the radial tracheidal walls, and the simple 

 pits of the rays are equally well shown. The cells of the 

 rays arc all parcQchymatous. C. MuciUri, x 120. 



rgttre 188. F 



•rirouyn umber. Num/Tous pitted cells 

 >fli;il wall<i of tracht-idi. Portion* of three 



Figure 189. —Tangential section through timbiT of C. MuelUri, x 90. 



Sections of timber of C. Muelleri, Berth, ei Hook. fil. 



