IV PREFACE. 



plant has a wider distribution and occurs in other parts of the North 

 American mainland, while " W. I." is used to indicate that a plant occurs 

 in the West Indies. 



The collections upon which the following study is based are at the 

 New York Botanical Garden, and it is through the exploration carried on 

 in tropical Florida under the auspices of that institution that the record 

 of tropical trees in Florida is now much more complete than heretofore. 



J. K. Small. 

 The New York Botanical Gakdex, 

 April 30, 1913. 



