Thi£ Pines of Australia. 



429 



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.1^^ 





Figure 284. — Radial section ihri-u^u j.iin.Lit 

 bark. P. rhomboidalis, x 6S. 



';-j.v._...---.^-iV 





^^•s 





^^^-"^ 



?^~- 



inner (lower) and outer Figure 285 — Tra.ii^\\r-. ^^^llou a.i juaciion ot inner and outer bark. 



Several sclerenchymatous cells can be seen in the centre 

 ot the picture. P. rhomboidalis, x 135. 



Figure 286. — Radiai section through bark and intended to show the 

 numerous sieve plates in the tube marked by the arrows. 

 P. rhomboidalis, x 300, 



Sections of bark of Phylloeladus rhomboidalis, Rich. 



