Britton, Nathaniel Lord <br/><br/>
Botany of Porto Rico and the Virgin Islands  Descriptive Flora-Spermatophyta(Part) 
[N.L. Britton and Percy Wilson] 
 - New York  New York Academy of Sciences  1923. 
 - 626 p.  24 cm. 
 - New York Academy of Sciences. Scientific survey of Porto Rico and the Virgin Islands  v. 5, pts. 1- 4 .
 - Scientific survey of Porto Rico and the Virgin Islands  v. 5, pts. 1- 4 .
<br/><br/> At head of title page: New York Academy of Sciences.  Issued in 4 pts. each with added t.p.  Added t.p. reads: N.L. Britton and Percy Wilson.  Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Puerto Rico.<br/>Botany--Virgin Islands of the United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico