LETTER OF TRANSMITTAL. 
U.S. DEPARTMENT OF AGRICULTURE, 
DIVISION OF BoTANY, 
Washington, D. C., June 21, 1895. 
Sir: I have the honor to transmit herewith, for publication as 
Volume III, No. 4, of Contributions from the United States National 
Herbarium, a report prepared by Mr. John M. Holzinger, formerly 
assistant botanist, on a collection of plants made in northern Idaho in 
1892 by Dr. J. H. Sandberg, Mr. D. T. MacDougal, and Mr. A. A. 
Heller, who were employed for this purpose by the Department of 
Agriculture. 
Respectfully, — 
FREDERICK V. COVILLE, 
Chief of the Division of Botany. 
Hon. J. STERLING MORTON, 
Secretary, United States Department of Agriculture. 
iil 
