A Handbook of Nebraska Grasses. 101 
PAaMMEL, L. H. 
1905. Soil Binding Grasses. Bul. Ia. Exp. Sta. 83: 417-421. 
Figs. 8-9. 
PamMMEL, L. H., Batt, C. R., and ScrrBner, F. L. 
1904. The Grasses of Iowa. Part Il. Supplementary Rpt. 
la. Geological Survey 1903. XIII, 436 pp., 270 figs. 
PamMMEL, L. H., Weems, J. B., and Scripner, F. L. 
1901. Grasses of Iowa. Part IT. Bul. Ta. Exp. Sta. 54: 71- 
344. Figs. 1-137. 
1901. Pastures and Meadows of Towa. Bul. Ila. Exp. 
Sta. 56: 385-592. Figs. 138-220. 
1901. The Grasses of Towa. Bul. Ia. Geological Survey 
1:525 pp., 220 figs. (A Reprint of Buls. Ta. Exp. Sta. 54 
and 56.) 
Preer, C. V. 
1905. Grass Lands of the South Alaska Coast. Bul. Bur. 
Pl. Ind. U. S. Dept. Agr. 82:1-38. Pls. 1-4. 
1906. North American Species of Festuca. Contrib. U. S. 
Nat. Herb. 10: 1-48. Pls. 1-15. 
19135. Sudan Grass, a New Drouth-resistant Hay Plant. 
Cire. Bur. Pl. Ind. U. S. Dept. Agr. 125: 1-20. Figs. 1-6. 
Pirruck, B. C. 
1898. Grasses and Forage Plants. Bul. Tex. Exp. Sta. 
46 : 1011-1030. 
Ryppere, P. A. 
1895. Flora of the Sand Hills of Nebraska. Contrib. U.S. 
Nat. Herb. 3: 133-203. Pls. 1-2. 
Ryppere, P. A., and SHear, C. L. 
1897. A Report upon the Grasses and Forage Plants of the 
Rocky Mountain Region. Bul. Div. Agrostology U. 8. 
Dept. Agr. 5:1-48. Figs. 1-29. 
Sampson, A. W. 
1915. The Reseeding of Depleted Grazing Lands to Culti- 
vated Forage Plants. Bul. U. S. Dept. Agr. 4: 1-34. Pls. 
1-8. Figs. 1-4. 
1913. Range Improvement by Deferred and Rotation Graz, 
ing. Bul. U. S. Dept. Agr. 34:1-16. Pls. 1-5. 
ScRIBNER, F. L. 
1889. Grasses on Mountain Meadows and Deer Parks. Bul. 
Tenn. Exp. Sta. 2*: 59-67. 
1894. Hungarian Brome Grass. Cire. Div. Botany U. 8. 
Dept. Agr. 1:1-4. Fig. 1. 
