LIHTER OF TRANSMITTAL. 



U. S. DErART:MENT OF AGRICULTURE, 



Bi'REAU OF Plant Industry, 



Office of tme Chief, 

 ^Ya.shimJfo)u D. r., Septemher '27 , 1902. 

 Sir: I have the honor to transmit lierewith a paper on The Mango 

 in Porto Rico, by G. N. Collins, Assistant Botanist in Tropical Agricul- 

 ture, and respectfully recommend that it be published as Bulletin 

 No. 28 of the series of this Bureau. The paper has been submitted for 

 publication by the Acting Botanist in Charge of Botanical Investiga- 

 tions and Experiments. 



Respectfullv. 



B. T. Galloway, 



Ch ief of Burea u. 



Hon. James Wilson, 



Secretary of Agriculture. 



