Neue Litteratur. 301 



Mc Laughlin, W. W. 1910. Irrigation ofGrain. (Farmers' Bull. 399, 



Bur. Plant. Ind. U. S. Dep. Agr. Wash., D. C. 1910. 23 pp. 7 f.) 

 Mc Wethy, L. B. 1910. Barley. (Bull. 83, Agr. Exp. Stat. Laramie, 



Wyo. 1910. 12 pp. 5 pl.) 

 Mc Wethy, L. B. 1910. Field Peas. (Bull. 84, Ex. Stat. Laramie, 



Wyo. 1910. 12 pp. 3 pl.) 

 Merrill, L. A. 1910. A Report of Seven Years' Investigation of 



Dry Farming Methods. (Bull. 112, Agr. Exp. Stat. Logan, Utah 



1910. p. 93—164. 14 f.) 

 Miller, F. M. 1910. The Seeding of Clovers and Grasses. (Circ. 



42, Agr. Exp. Stat. Columbia, Mo. 1910. p. 61-64.) 

 Miller, M. F. 1910. The Seeding of Cowpeas [Vigna sinensis]. (Circ. 



39, Agr. Exp. Stat. Columbia, Mo. 1910. p. 49—52. 1 f.) 

 Miller, M. F. and H. D. Hughes. 1910. Cooperative Variety Tests 



of Com. (Bull. 87, Agr. Exp. Stat. Columbia, Mo. 1910. p. 97-160. 12 f.) 

 Miller, M. F. and Hutchinson. 1910. Cooperative Experiments of 



the Department of Agronomy. (Circ. 36, Agr. Exp. Stat. Columbia, 



Mo. 1910. 12 pp.) 

 Mitscherlich, E. A. 1912. Das Wasser als Vegetationsfaktor. (Landw. 



Jahrb. XLII. p 701 — 718.) 

 Montgomery, E. G. 1910. Oats. (Bull. 113, Agr. Exp. Stat. Lincoln, 



Neb. 1910. 16 pp. 1 f.) 

 Mooers, C. A. 1910. Stand and Soil Fertility as Factors in the 



Testing of Varieties of Com. (Bull. 89, Agr. Exp. Stat. Knoxville, 



Tenn. 1910. p. 35 — 54. 4 diagrams.) 

 Moore, J. G. 1911. Planung the Commercial Orchard. (Bull. 201. 



Agr. Exp. Stat. Madison, Wis. 1911. 36 pp. 15 f.) 

 Moorhouse, L, A., W. L. Burlison and J. A. Ratcliff. 1910. Com 



Culture. (Bull. 87, Agr. Exp. Stat. Stillwater, Okla. 1910. 46 pp. 19 f.) 

 Morris, O. M. 1910.' Tree Culture. (Bull. 86, Agr. Exp. Stat. Still- 

 water, Okla. 34 pp. 15 f.) 

 Muck, R. 1912. Der echte Helianthus und seine Bedeutung für die 



Wildpflege, die Landwirtschaft und den Gemüsebau. (Wien 1912, 



8°. Mit 3 kol. T. 10 F.) 

 Myers, C. E. 1910. A Strain Test of Jersey Wakefield Cabbage. 



(Bull. 96, Penna. Agr. Exp. Stat. State College, Pa. 1910. 18 pp. 5 f.) 

 Nash, C. W. 1910. Com — Variety Tests — Seed Breeding, Selec- 



tion and Testing. (Bull. 141, Agr. Exp. Stat. College Park, Md. 1910. 



p. 103-134. 10 f.) 

 Newman, C. C. 1910. Fall and Winter Cabbages. (Bull. 149, Agr. 



Exp. Stat. Clemson College, S. C. 1910. 12 pp. 5 f.) 

 Newman, C. C. 1910. Notes on Varieties of Tomatoes, (Bull. 153, 



South Carolina Agr. Exp. Stat. Clemson College, S. C. 1910. 36 pp.8pl.) 

 Newman, C. C. 1911. Permanent Lawns for the South. (Bull. 157, 



Agr. Exp. Stat. Clemson College, S. C. 1911. 15 pp. 6 1.) 

 NoLl, C. F. 1910. A Variety Test of Potatoes. (Bull. 98, Agr. Exp. 



Stat. State College, Pa. 1910. 20 pp. 4 f.) 

 O'Gara, P. J. 1910. The Protection of Orchards in the Pacific 



Northwest from Spring Frosts by means of Fires and Smudges. 



(Farmers' Bull. 401, U. S. Dep. Agr. Washington, D. C. 1910. 



24 pp. 11 f.) 

 Oliver, G. W. 1910. New Methods of Plant Breeding. (Bull. 167, 



Bur. Plant Ind. U. S. Dep. Agr. Wash., D. C. 1910. 39 pp. 15 pl.) 



[New methods of crossing composite alfalfa, clover, grasses etc. 



Anthers removed and then pollen washed off stigma by jet of 



water before pollinating flowers.] 



