Appendix D 393 



1912. VRIES, HUGO DE, and BARTLETT, H. H., The Evening 

 Primroses of Dixie Landing, Alabama. Science, n.s. 36: 

 599-601. 



1912. WALDRON, L. R., Breeding Certain Field-crop Plants in 

 the Cold Northwest. A. B. A. Rep. 8 : 429-438. 



1912. WALDRON, L. R., Hardiness in Successive Alfalfa Genera- 

 tions. Am. Nat. 46:463-469, 2 tab.' 



1912. WALDRON, L. R., Influence of Variegation in Alfalfa 

 upon Hardiness. A. B. A. Rep. 8 : 424-429. 



1912. WALDRON, L. R., Value of Continuous Selection and its 

 Bearing upon Hardiness in Winter Wheat. A. B. A. Rep. 

 7:74-80. 



1912. WATTS, FRANCIS, Work with Seedling Sugar-canes in the 

 British W. L and British Guiana. A. B. A. Rep. 7 : 167-169. 



1912. WEBBER, H. J., Preliminary Notes on Pepper Hybrids. 



A. B. A. Rep. 7: 188-199, fig. 



1912. WEBBER, H. J., The Cornell Experiments in Breeding 



Timothy. Am. Breed. Mag. 3 : 85-99, tab., 4 pis. 

 1912. WEBBER, H. J., The Effect of Research in Genetics on 



the Art of Breeding. Science, n.s. 35 : 597-609. 

 1912. WEBBER, H. J., The Production of New and Improved 



Varieties of Timothy. Cornell Univ. Agr. Exp. Sta. Bull. 



313:339-381, 10 pi. 

 1912. WELLINGTON, R., Influence of Crossing in Increasing the 



Yield of the Tomato. N. Y. (Geneva) Agr. Exp. Sta. Bull. 



346 : 57-76. 

 1912. WILLIAMS, C. G., Variation in Pure Lines of Wheat. A. 



B. A. Rep. 8 : 409-412. 



1912. WINKLER, HANS, Untersuchungen uber Pfropfbastarde. 



Erster Teil : Die unmittelbare, gegenseitige Beeinflussung der 



Pfropfsymbionten. 186 p. Jena, Gustav Fischer. 2 Illus. 



Rev. in Zeitch. f. indukt. Abst.- u. Vererb. 7 : 77-80. 

 1912. ZOOK, L. I., Tests with First Generation Corn Crosses. 



A. B. A. Rep. 8 : 338-343. 



