JOURNAL 
OF 
The New York Botanical Garden 
VoL. XXIII April, 1922 No. 268 
BOTANICAL INVESTIGATIONS IN PORTO RICO 
To THE SCIENTIFIC DIRECTORS OF THE NEW YorK BOTANICAL 
ARDEN. 
Gentlemen:—Pursuant to permission given me by the Board 
I was accompanied by Mrs. Britton and by Miss Margaret S. 
Brown of Halifax, Nova Scotia; both ladies gave efficient aid 
in the collection and preservation of specimens. 
This Scientific Survey of Porto Rico and the Virgin Islands 
the final reports was begun by the Academy in 1919, and three 
parts of the geological volumes and two of paleontology have 
now been issued under the editorship of Professor R. W. Tower 
of the American Museum of Natural History. Additional parts 
49 
