PLATE XXI. 



! tic ^peck's of the Striugybark Group are all (air yielders of oil, and in this 

 cross-section, taken near the mid-rib, three medium-sized oil glands are seen. Those 

 nearest the mid-rib are not cut through the centre but the one to the right 

 gives about the average size for this class of Eucalyptus. The mesophyH is of 

 small dimensions, the leaf structure being composed mostly of palisade tissue, 

 the cells towards the upper side being the larger. x 55. 



EUCALYPTUS EUGENIOIDES, SIEB 



