PLATE i_. 



A cross section towards the leaf margin. The large yield of oil of this species 

 is here indicated hv the number and comparatively large oil glands in such 

 a limited area. This leaf is of a rather delicate nature in the case 

 of both the mesophyll and palisade parenchyma, the latter being more developed 

 towards the upper surface. The strengthening tissue backing the outer edge of 

 the leaf is not well developed. x 70. 



EUCALYPTUS AUSTRALIANA. R.T.B. a H.G.S. 



