ORNAMENTAL TREES. 157 



the Roman Campagna, have become re-inhabited, 

 and are now perfectly healthy. 



There are many damp nooks and corners in 

 England which could be rendered much more 

 healthy by the judicious planting of trees to absorb 

 those gases which, injurious to human, are yet 

 eminently favourable to plant life ; while at the 

 same time, a considerable gain might be insured 

 in picturesque effect 



THE END. 



CHARLES DICKENS AND EVANS. CRYSTAL PALACE PRESS. 



