No. 23. — Studies on American Grasses. A revision of the North 

 American species of Bromus occurring: north of Mexico. By 

 CorneHus L. Shear. Pp. 66, figs. 40. July 3, 1000. 



This bulletin contains descriptions of thirty-six species and twenty-eight 

 varieties of the genus Browns. Three species and fifteen varieties are described 

 as new. 



No. 24. — Studies on American Grasses. Pp. 55, figs. 23. January 

 9, 1901. 



This bulletin contains the following papers : ( 1 ) " Some Recent Collections 

 of Mexican Grasses," by F. Lanison-Scribner and Elmer D. Merrill; (3) "Notes 

 on Panicum nitidiim Lam., Panicum scoparium Lam., and Panicnim pnbescens 

 Lam.," byF. Lamson Scribner and Elmer D. Merrill; (:{) "Miscellaneous Notes 

 and Descriittions of New Si^ecies, " by F. Lamson-Scribner and Carleton R. Ball. 



CIRCULARS. 



No. 1. — A Note on Experimental Grass Gardens. By J. G. Smith. 

 Pp. 4. 1895. 



No. 2. — Hairy Vetch, Sand Vetch, or Russian Vetch. By F. Lam- 

 son-Scribner. Pp. 4, fig. 1. 1895. 



No. 3.— Saltbushes. By Jared G. Smith. Pp. 4, figs. 3. 1896. 

 No. 4. — Renewing of Worn-out Native Prairie Pastures. By Thos. 

 A. Williams. Pp. 4, figs. 4. 1896. 



No. 5. — Cowpeas. By Jared G. Smith. Reprint from the Yearbook 

 of the U. S. Department of Agriculture for 1896. Pp. 11. 1898. 



No. 6. — Cultivated Vetches. By Jared G. Smith. Winter vetch, 



hairy vetch, guinea vetch, and Dakota vetch, are described and 



illustrated. Pp. 8, figs. 6. 1898. Revised. 

 No. 7. — Gram. Chick Pea, or Idaho Pea. By J. G. Smith. Pp. 4, 



fig. 1. 1898. 

 No. 8. — Experiments in Range Improvement. By J. G. Smith. 



Pp. 5, fig. 1. 1898. 



Relates to the experiments conducted at Abilene, Texas, by Mr. H. L. 

 Bentley, Special Agent of this Division. 



No. 9. — New Species of North American Grasses. By F. Lamson- 

 Scribner. Pp. 7, figs. 24. February 24, 1899. 



Fourteen new species are described. 



No. 10. — Poa fendleriana and its Allies. By Thos. A. Williams. 

 Pp. 6, fig. 1. April 15, 1899. 



No. 11.— The Flat Pea. By F. Lamson-Scribner. Pp. 6, figs. 3. 

 1899. 



Describes the Flat Pea {Lathyriis sylvestris), its method of cultivation and 

 uses. 



No. 12. — Rape as a Forage Plant. By Thos. A. Williams. Pp. 6, 

 fig. 1. 1899. 



No. 13. — Florida Beggarweed. By Jared G. Smith. Pp. 5, figs. 2. 

 1899. 



No. 14.— Velvet Bean. By Jared G. Smith. Pp. 5, figs. 3. 1899. 



