Finally , in 1930 Max Burret described B. lanceolata , based on a Brazilian specimen .
In 1923 Nathaniel Lord Britton described B. savannarum , based on a specimen collected by Britton in Trinidad .
In 1930 Max Burret described B. lanceolata , based on a Brazilian specimen .
In 1923 Nathaniel Lord Britton described B. savannarum , based on a specimen collected by Britton in Trinidad .