THE BOTANY LIBRARIES 
LIBRARY OF THE ARNOLD ARBORETUM • ECONOMIC BOTANY LIBRARY OF OAKES AMES 
FARLOW REFERENCE LIBRARY OF CRYPTOGAMIC BOTANY • LIBRARY OF THE GRAY HERBARIUM 
HARVARD UNIVERSITY 
22 DIVINITY AVENUE • CAMBRIDGE • MASSACHUSETTS 02138 • U.S.A. 
Tel. (617) 495-2366 
Correspondence between George Bentham and Asa Gray of Harvard University 
between 1839 and 1883. Original material is in the Archives, Library of the Gray 
Herbarium, Harvard University. 
Cite as: George Bentham Letters, Historic Letters File, Archives, 
Library of the Gray Herbarium, Harvard University, 
Cambridge, Massachusetts, USA 
The material may be reproduced solely for scholarly research. Permission to 
publish the contents, or any excerpt therefrom, at any time, must be made in writing to 
the Director of Herbaria, Harvard University. Permission is required for quotations 
used in a book, article, doctoral dissertation, videotape, or any work in any medium 
that is made to the public. 
