The Boiany of Texas 27 



113. Watson, Sereno. (1832-1883). 



List of plants from southern Texas and northern ^Mexico, 



collected chiefly bv Dr. E. Palmer in 1879-1880. 



Proc. Amer. Acad. 17:316-361; 18:96-191. 

 lU. Wilcox, T. E. & A. Wood. (1877). 



Catalog of plants collected in" northwest Texas near the 



headwaters of Red Eiver, by First Lieut. E. II. Ruffner, 



U. S. Engineers. 



Hep. Chief of Eny., U. S. A. i)p. 1422-1426. 



115. Williams, H. C. (1859), 



Report on Native grapes of Ai^kansas and Texas. 

 L\ S. Fat Off. Reports, pp. 30-41. 

 General account of native grapes found. 



116. Wislizenus, A. (1848). 



Memoir of a tour to northern Mexico, connected with CoL 



Doniphan's expedition in 1846-1847. 



Washington. 



117. Wooten, E. 0. (1906). 



Southwestern Localities visited by Chas. Wright. 



Torr, Bull. 33:561-566. 



List of Texas localities and dates of collections. 



118. York, H, H. (1909). 



The anatomy and some of the biological aspects of the 



"American Mistletoe." 



U. of T. Bull. 120 (Sc. ser. 13). 31 pp. 13 pis. 



119. Young, M. J. (1873). 



Familiar lessons in botany with flora of Texas, adapted 

 to general use in Southern States. New York. 646 pp. 



120. Zon, R. (1910). 



The forest resources of the world. 

 For. Serv. Bull. 83. p. 68. 

 Data on forest area of Texas. 



121. (1905). 



Loblolly pine in eastern Texas, with special reference to 



the production of cross ties. 



For. Serv. Bull. 64. 53 pp. 6 pis. 



