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35. Lester-Smith, W. C, Ann. Roy. Bat. Gard. Peradenyia, 10:243 (1927)' 



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39. Moreau, F., ibid., 206:369 (1938). 



40. Nickerson, W. J. and Thimann, K. V., Am. J. Botany, 28:617 (1941). 



41. , ibid., 30:94 (1943). 



42. Pieters, a. J., ibid., 2:529 (1915). 



43. Plumb, G. W. and Durrel, L. W., Science, 2:386 (1933). 



44. Raper, John R., Science, N.S. 89:321 (1939). 



45. ■ , Am. J. Botany, 26:639 (i939)- 



46. , ibid., 27:162 (1940). 



47. , Mycologia, 32:710 (1940). 



48. , Am. J. Botany, 29:159 (1942). 



49. , Proc. Nat. Acad. Sci. U. S., 28:509 (1942). 



50. , Unpublished Notes. 



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52. RoBBiNS, W. J., Botan. Gaz., 101:428 (1939). 



53. , Am. J. Botany, 26:772 (1939). 



54. , ibid., 27:559 (1940). 



55. , Botan. Gaz., 102:520 (1941). 



56. , and Hamner, K. C, ibid., 101:912 (1940). 



57. , and Kavanagh, F., Proc. Nat. Acad. Sci. U. S., 28:4 (1942). 



58. , Proc. Nat. Acad. Sci. U. S., 65 (1942). 



59. Robinson, W., Ann. Botany, 40:245 (1926). 



60. RoNSDORF, L., Planta, 14:482 (1931). 



61. Sachs, J., Arb. Bot. Inst. Wiirzberg, 452 and 689 (1880). 



62. Sartory, a., C. Rend. Soc. Biol., 72:558 (1912). 



63. , ibid., 79:174 (1916), 



64. , ibid., 83:1113 (1920). 



65. ScHOPFER, W. H., Bull. Soc. Bot. Geneve, 2nd ser., 20:149 (1928). 



66. , Bull. Soc. Bot. Suisse, 40:87 (1931). 



67. , ibid., 41:73 (1932). 



68. , C. Rend. Soc. Phys. Hist. Nat. Geneve, 57:45 (1940). 



69. Verkaik, C., Proc. K. Acad. Wetensch. Amsterdam, 33:656 (1930). 



70. Ward, M., Ann. Botany, 2:319 (1888). 



71. Wilson, E. E., Phytopathology, 17:835 (1927). 



72. Zickler, H. Cited in Hartmann, M., Die Sexualitdt (Fischer, Jena, 1943)1 



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