4 PREFACE. 
This office is under obligations to Messrs. D. W. Middleton, J. W. 
Parramore, and W. J. Bryan, of Abilene, Tex., who during the term 
acted as station inspectors and in many other ways cooperated and 
aided materially in this work. To Mr. P. O. Forbus, also of Abilene, 
who during three full years was foreman of the working force of the 
station and in many ways contributed to whatever success was secured, 
acknowledgments are also due. 3 
: F. Lamson-ScrIBNER, 
Agrostologist. 
OFFICE OF THE AGROSTOLOGIST, 
Washington, D. C., November 19, 1901. 
