No. 15. — Recent Additions to Systematic Agrostology. By F. 

 Lamson-Scribner. Pp. 10, figs. 5. July 14, 1899. 

 Gives descrii)tion of genera and cites synonyms not published in Hackel's 

 '• True Grasses." The contents of the circular are based largely upon a supple- 

 ment to Engler & Prantl's "Pflanzenfamilien." Fourniera mexicana, Ixophorus 

 unisetus, Opizia stolonifem, and Pringleochloa mexicana, are illustrated. 



No. ID. — New Species of North American Grasses. By F. Lamson- 

 Scribner. Pp. 6, figs. 2. July 1, 1899. 

 Nine new species are described. Puccinellia simplex Scribn. and Dactyloc- 

 teniuvi australiense Scribn. are illustrated. 



No. 17.— Crimson Clover. By Thos. A. Williams. Pp. G, figs. 3. 

 1899. 



No. 18. — Smooth Brome-grass. By P. Beveridge Kennedy. Pp. 9, 

 figs. 2. 1899. 



No. 19. — New and Little-Known Mexican Grasses. By. F, Lamson- 

 Scribner. Pp. 4, fig. 1. January 2, 1900. 

 Five new species are described. 



No. 20. — Experiments with Forage Plants in Ontario. By P. Beve- 

 ridge Kennedy. Pp. 3. 1899. 



No. 21. — Cooperative Range Grass and Forage Plant Expei-iments 



at Highraore, South Dakota. By F. Lamson-Scribner. Pp. 10, 



fig. 1. 1900. 



Describes the experiments being made at Highmore, South Dakota, in 

 cooperation with the South Dakota Experiment Station. 



No. 22. — Grass and Forage Plant Investigations on the Pacific Coast. 



By F. Lamson-Scribner. Pp. 7. 1900. 



Describes experiments made in 1899 with grasses and forage plants at Walla 

 Walla and at North Yakima, Washington, in cooperation with the Northern 

 Pacific Railroad and the Oregon Railroad and Navigation Companies. 



No. 23. — -Progrevss of Experiments in Forage Crops and Range 

 Improvement at Abilene, Texas. By H. L. Bentley. Pp. 20. 

 1900. 



Descriptions of the experiments with grasses- and forage plants made at 

 Abilene, Texas, under the immediate charge of H. L. Bentley, Special Agent. 



No. 24.— Cowpeas and Corn for Silage and Fodder. By W. Gettys, 

 Athens, Tennessee. Pp. 10, figs. 2. 1900. 



No. 25.— Turkestan Alfalfa. By P. Beveridge Kennedy. Pp. 20. 



1900. 



This circular includes reports on trials with Turkestan alfalfa from those to 

 whom seed was sent by the Department of Agriculture. 



No. 26.— Rescue Grass. By C. L. Shear. Pp. 4, fig. 1. 1900. 



Brief description of rescue grass (Bromiis unioloides), and an account of its 

 cultivation and value. 



No. 27.— Agrostological Notes. Pp. 10. December 4, 1900. 



This circular contains the following short papers : (1) " Grasses in the Herba- 

 rium of Dr. H.. Muhlenberg;" (2) "New Species of Eatonia;" (3) "A New 

 Variety of Panicum nashianum;" (4) " Nomenclatiu-e Notes;" (5) "Notes on 

 Melica and Stipa." 



No. 28. — Grasses and Fodder Plants on the Potomac Flats. By 

 Carleton R, Ball. Pp. 18. 1900. 



This circular gives a brief account of the grasses and fodder plants grown 

 by this Division on the Potomac Flats during the season of 1900. 



