lv Preface 
by Miss Josephine Huppertz, a graduate student in the School 
of Botany of the University of Texas. The writer also acknowl- 
eages his indebtedness to the various published works of others. 
The notes of Mr. J. B. Mackenson of San Antonio, on the ‘‘ Trees 
of San Antonio and Vicinity’’ and of Mr. Carl Hartman on ‘‘The ~ 
Trees of Huntsville’’ have been freely used. The characteristics 
and uses of the various woods have been based, in part, upon a 
report of ‘‘The Wood Using Industries of Texas’’ by Hu Max- 
well, Expert, and Charles F. Hatch, Statistician of the United 
States Department of Agriculture, Forest Service, published in 
the Lumberman’s Trade Journal, New Orleans. The arrange- 
ment of the groups is essentially that of Engler and Prantl. 
ISAAC McKINNEY LEWIS. 
University of Texas, School of Botany, February 6, 1915. 
