The Pines of Australia. 



Figure 102. — Tangential section of timber of C. arcnosa, x 50. 



Figure 103, — Radial section through timber of C. arenosa, x 50. 



Figure 106. — A longitudinal section through the bark shewing parenchy- 

 matous cells (almost square), with two bast fibres 



extending from top to bottom between the sieve tubes. 

 For crystals composing these fibres see Figures under bark 

 of Arattcaria BidwUJi. C. arenosa, x 175. 



Figure 104. — Transverse section through cambium with bark and timber 

 on each side. The parallel rows of bast fibres are distinctly 

 focussed, and two oil cavities, one near the cambium, are 

 seen. C. arcnosa, x 50. 



Sections of Timber and Bark of C. arenosa, R.Br, 



