V 
SMITHSONIAN INSTITUTION 
UNITED STATES NATIONAL MUSEUM 
S. P. LANGLEY 
8ECRETARY, SMITHSONIAN INSTITUTION 
WASHINGTON, D. C., Oct. 28, 1899. 
Mr,J,Franklin Collins, 
Providence, R.I. 
Dear Sir:- 
At tlie request of Mr. Charles L. Pollard and by author¬ 
ity of the Assistant Secretary, I am sending you herewith a package 
containing the first decade of North American violets prepared and 
determined by Professor E. L. Greene and Mr.Pollard. These are to 
be considered an exchange from the U.S,National Herbarium. 
Very truly yours, 
Curator of Botany 
