Mangrove swamps near Cabanas. Environmental conditions in tlie mangrove swamps of soutti- 

 ern Florida appear to be identical with those found here. In cooperation with Messrs. William T. 

 Davis and Charles E. Sleight collections were made in both places at the same time 



Floridlan pines, palmettos and grasses on a sandy level plain near Pinar del Rio. This is the 

 Cuban locality which will offer the best comparison with the Floridlan upland 



102 



