Smithsonian Report, 1920— Maxon. 



Plate 20. 



A. Logwood (Haematoxylon campechianum). 



This important economic tree, presumably introduced from the mainland, is now abundant at low altitudes 



in Jamaica. 



B. Logwood at Railway Station, Ready for Weighing. 



The well-known dye, haematoxylin, is contained in the heartwood. 



