A. E. MURNEEK 345 



57. MuRNEEK, A. E., Science, 98:384-385 (1943). 



58. , et al., Proc. Am. Soc. Hort. Sci., 45:371-381 (1944). 



59. MuRNEEK, A. E., ibid., 44:428-429 (1944). 



60. , and HiBBARD, A. D., ibid., 50:206-208 (1947). 



61. MuRNEEK, A. E., ibid., 50:254-262 (1947). 



62. , and Whyte, R. O., Vernalization and Photoperiodism (Waltham, 



1948). 



63. Murneek, a. E., Unpublished records. 



64. , and HiBBARD, A. D., Unpublished records. 



65. Nielsen, C. G., Botan. Gaz., 104:99-106 (1942). 



6G. Overbeek, J. VAN et al.. Am. J. Botany, 28:647-656 (1941). 



67. , ibid., 29:472-477 (1942). 



68. Overbeek, J. van, Ann. Rev. Biochem., 13:631-666 (1944). 



69. Overbeek, J. van et al., Am. J. Botany, 31:219-224 (1944). 



70. Overbeek, }. van, Science, 102:621 (1945). 



71. , Botan. Gaz., 108:64-73 (1946). 



72. Purvis, O. N. and Gregory, F. G., Nature, 155:113-114 (1945). 



73. Roberts, R. H. and Struckmeyer, B. E., Proc. Am. Soc. Hort. Sci., 



44:417-427 (1944). 



74. Sax, K., Maine Agr. Exp. Sta. Bull., 298 (1921). 



75. Schneider, G. W. and Enzie, J. V., Proc. Am. Soc. Hort. Sci., 45:63-68 



(1944).^ 



76. Sen, p. K., Ann. Rpt. East Mailing Exp. Sta., 1936:137-141. 



77. Skoog, F. et al., Am. J. Botany, 29:568-576 (1942). 



78. Sinnott, E. W., Botan. Gaz., 99:803-813 (1938). 



79. Stebbins, T. C. et al., Proc. Am. Soc. Hort. Sci., 48:63-66 (1946). 



80. Steinegger, p., Ber. Schweiz. Bot. Ges. 42:285-339 (1933). 



81. Stewart, W. S. et al., Botan. Gaz., 109:150-162 (1943). 



82. Struckmeyer, B. E. and MacVicar, R., Botan. Gaz., 109:237-249 (1948). 



83. Swanson, C. p. et al.. Am. J. Botany, 36:170-175 (1949). 



84. Thimann, K. v., Gen. Physiol., 18:23-34 (1934). 



85. TuKEY, H. B., Proc. Am. Soc. Hort. Sci., 30:209-218 (1933). 



86. , Science, 84:513-515 (1936). 



87. , Botan. Gaz., 98:1-24 (1936). 



88. , and Lee, F. A., ibid., 101:818-838 (1940). 



89. TuKEY, H. B. and Young, J. R., ibid., 104:3-25 (1942). 



90. Voss, H., Planta, 30:252-285 (1939). 



91. Warington, K., Ann. Botany, 47:429-457 (1933). 



92. White, P. R., Arch. Zellfor., 42:602-620 (1933). 



93. Whyte, R. O., Crop production and environment (London, 1946). 



94. Wittwer, S. H. and Murneek, A. E., Proc. Am. Soc. Hort. Sci., 40:205- 



208 (1942). 



95. Wittwer, S. H., Mo. Agr. Exp. Sta. Res. Bull., y]\ (1943). 



96. Wittwer, S. H. et al., Proc. Am. Soc. Hort. Sci., 47:285-293 (1946). 



97. , ibid., 51:371-376 (1948). 



98. Yasuda, S., Mem. Fac. Sci. and Agr. Tohoku Univ. IV, 27:1-51 (1939). 



99. Zimmerman, P. W. and Hitchcock, A. E., Contrib. Boyce Thomps. Inst., 



12:321-343 (1942). 



