122 AGRICULTURE IN THE TROPICS [PT. II 



cultivation is also being taken up in Ceylon. The treatment 

 is the same as for citronella, but the grass is smaller, and 

 yields a much less amount. The price of the oil, however, 

 is higher. 



Other useful scented oils are prepared from the cinnamon 

 (q. v.), the clove (q. v.), the patchouli (Pogostemon Patchouli), 

 the sandal- wood (Santalum album), the bay (Pimenta sp.), and 

 other plants. 



