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W. H. Greenleaf. 1941. Sterile and fertile amphidiploids. Genetics 



26:301-324. L. Hollingshead. 1930. Cytological investigations of 



hybrids and hybrid derivatives of Crepis capillans and Crepis tectorum. 



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906. C. L. HusKiNS. 1930. The origin of Spartina Townsendii. 



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aneuploid forms in Fragaria. Genetics 16:455-489. 



CHAPTER 28 



C. A. Berger. 1944. Experimental studies on the cytology of Allium. 



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