The Pine? of Australia. 





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Flpnre 118. — Transverse section through a junction of the inner and 

 outiT bark. The dark blotches mark the presence of the 

 "lansaneif compound The bast fibres are in rr°ul;ir 

 chains of n-ctan^ular shap-\ Three nu-diillary rays arc 

 shown as faint markinf;» from top to bottom of picture. 

 The empty spaces arc oU-o-resin cavities. C. intratropica, 

 X 80. 



Figure 119. — ^Transverse section of oleo-resin cavity of Inner bark. The 

 black content of the parenchymatous celts is brown man- 

 fianese compound. The rectangular bodies are the bast 

 fibres. C. intratropica, x 80. 



PlgardJ,120. -Tr.ui'.vfTV s^-ction of bark at jiinctinn o* inner and outer 

 . * '•nrt<'x.'thejalter'indlcal*d_by,three I-'u-K'- nho-rcsiri cavities 



Th'- lijiht area of irrri.'i]lar cells rtnmiriK thrnuch the r<.-ntre 

 >f thr> Add from left to ri^ht is a pcriderni band, followed 

 ->utward» by excccdinRly small sieve tubes, then larRC 

 parf-nchymatoii<> cell*., sieve tubes and bast fibres. C. 

 inlralropiea , x too. 



