PLATE XXIII. 



Cross section showing the thickened edge of a leaf blade with an oil gland in the 

 vicinity, and another at the right of the section. The cuticle in this case is 

 strongly developed on the upper surface and around the edge, where it is 

 backed by a mass of supporting tissue. The palisade parenchyma is strongly 

 developed on the upper surface. The dark-coloured patches probably indi.-at.- 

 tannin in the tissue. x 55. 



EUCALYPTUS PANICULATA, SM. 



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