Brazil) was provided by the Atkins Garden Fund of Harvard 
University and the National Science Foundation (NSF Grant 
INT78-23341: G. T. Prance, Principal Investigator). Special 
thanks are due to Dr. Roberto Jaramillo M. of the Instituto de 
Ciencias Naturales, Sr. Miguel Triana of the Rio Kubiyu, and Dr. 
José Cuatrecasas of the Smithsonian Institution. 
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