LOO A Handbook of Nebraska Grasses. 
MerriLu, EK. D. 
1901. Some Arizona Grasses. Cire. Div. Agrostology U. 8S. 
Dept. Agr. 32: 1-10. 
1901. Aristida purpurea Nutt., and Its Allies. Cire. Div. 
Agrostology U. S. Dept. Agr. 34: 1-8. 
1901. Some Species of Grasses Published by S. B. Buckley. 
Cire. Div. Agrostology U. S. Dept. Agr. 35: 1-2. 
1901. Some Changes in Nomenclature. Cire. Div. Agros: 
tology U. S. Dept. Agr. 35: 5-6. 
1902. The North American Species of Spartina. Bul. Bur. 
Pl Ind.-Us S. Dept. Agr>9=1-16: 
Mixer, M. F., and HurcuHinson, C. B. 
1913. Grass Investigations in the Ozark Upland. Bul. Mo. 
Exp. Sta. 108: 89-138. Tllust. 
Nuany, G.-C. and Traci Ss. M. 
1888. Report of an Investigation of the Grasses of the Arid 
Districts of New Mexico, Arizona, Nevada, and Utah. Bul. 
Div. Botany U. 8. Dept. Agr. 6: 1-61. Pls. 1-30. 
NELSON, A. 
1898. The Red Desert of Wyoming and Its Forage Re- 
sources. Bul. Div. Agrostology U. S. Dept. Agr. 18: «-72. 
Pls. 1-5. Figs. 1-24. 
1899. Some Native Forage Plants for Alkali Soils. Bul. 
Wyo. Exp. Sta. 42: 23-45. 
1901. The Brome Grasses of Wyoming. Bul. Wyo. Exp. 
Sta. 46: 1-21. I[llust. 
NELSON, A., and NELSON, E. E. 
1903. The Wheat Grasses of Wyoming. Bul. Wyo. Exp. 
Staq00 les4, SPis: aco: 
OAKLEY, R. A. 
1913. Some New Grasses for the South. Yearb. U. S. Dept. 
Agr, 1912: 495-504. Pls. 65-70. 
OGDEN, E. L. 
1897. Leaf Structure of Jouvea and of Hragrostis obtusi- 
flora. Bul. Div. Agrostology U. S. Dept. Agr. 8: 12-20. 
Pls: 3-0: 
PAMMEL, L. H. 
1897. Notes on the Grasses and Forage Plants of Lowa, 
Nebraska, and Colorado. Bul. Div. Agrostology U. 8. 
Dept. Agr. 9:1-47. Figs. 1-12. 
1905. Quack and Wheat Grasses. Bul. Ia. Exp. Sta. 83: 397- 
416. Figs. 1-7. 
