41 



VI. Warken, Gouverneur K. (1855-57) 



(1855) From the Middle Key a Paha nearly due south 

 through the Loup valley to Ft. Kearney, A mere military 

 reconnoisauce without important botanical results. 

 (1856-57) From Sioux City south westward through the 

 Elkhorn valley, thence northwest through the Loup valley to 

 Ft. Laramie. Return through tBe Niobrara valley to the 

 Missouri. 



Collections mostly identified by Dr. George Engelmauu 

 preserved in the Engelmann Herbarium at St. Louis. List 

 in Warren's Report. (1858) 



VIL Bessey, Charles E. (1887) 



Along F. E. &.M. V. R. R. from Long Pine to Ft. Robin- 

 son. List in Webber's Catalogue. (1890) Collection in 

 the Herbarium of the University of Nebraska. 



VIIL Bessey, Charles E. (1889) 



Followed survey of route of B. & M. R. R. from Alliance 

 to Pine Ridge. List in Webber's Catalogue. Collection 

 in the Herbarium of the University of Nebraska. 



IX. Smith, Jared G. (1889) 



From Alliance to Camp Clarke. Collection in the Survey 

 Herbarium. 



X. Webbee, Herbert J. (1889) 



In valley of the Dismal river. List in Webber's Cata- 

 logue. Collection in the Survey Herbarium. 



XL Webbee, Herbert J. (1889) 



Along the bluffs of the Missouri from Rulo to Nebraska 

 City. List in Webber's Catalogue. Collection in the Sur- 

 vey Herbarium. 



XIL Williams, Thomas A.* (1891) 



In Hat Creek basin and the White River valley. Collec- 

 tion in Mr. Williams' herbarium, a few specimens in the 

 Survey Herbarium. Additions published in Webber's Ap- 

 pendix. (1892) 



