The Pines of Australia. 



199 



Figure 131. — Transverse section through branchlet with decurreut leaves, 

 showing oil cavity in each of the latter, supported by 

 pronounced secretory cells. C. calcarata, x 70. 



Figure 133. ^Transverse section through a deciurent channel of two leaves 

 and on to central axis. Two leaf bundles are just seen at 

 the lower left and right hand of the picture, indicated by 

 clusters of three or four dark sclerenchyraatous cells. From 

 those with small pits can be traced lighter-coloured cells, 

 which form the transfusion tissue; the masses of these are 

 separated bv empty parenchymatous cells. C. calcarata, 

 X 175. 



-Longitudinal section through branchlet at the junction of two 

 whorls, and free portions of two decurrent leaves. The oil 

 cavity is marked by a dark pwiform figure in the lower 

 left-hand leaf. C. calcarara, x 63. 



Sections of branchlets and leaves of C. calcarata, R.Br. 



