1932 Chromosome numbers in Hemerocallis, with reference to triploidy 259 



may be the basic group from which the present association of the 

 somewhat anomalous number of 11 has been developed. It seems 

 probable that this number was 6 of which 5 were duplicated. 



Jan. 27, 1932. 



Literature Cited 



Belling, John. 1925. Chromosomes in Canna and Hemerocallis. The Journal of 



Heredity 16: 465-466. 

 B!aringhem, L. 1928. Sur le fecundite de l'Hemerocalle fauve (Hemerocallis fulva L.). 



Compt. Rend. Acad. Sci. Paris. 187 : 187-189. 

 Bonnett, Jean. 1911. Sur le groupement par paires des chromosomes dans les noyaux 



diploides. Arch. f. Zellforsch. 7 : 231-241. 

 Darlington, C. D. 1926. Chromosome Studies in the Scilleae. Jour, of Genetics 16 : 



237-251. 



— and Moffett, A. A. 1930. Primary and Secondary Chromosome Balance in Pyrus. 



Jour, of Genetics 22 : 129-151. 

 Gaiser, L. O. 1930. Chromosome Numbers in Angiosperms. Bibliographia Genetica 



6: 171-466. 

 Lobel, M. 1576. Plantarum seu stirpium historia. 

 Nabel, B. 1929«. Zur Cytologie von Mains und Vitis. Die Gartenbauwissenschaft 



1 : 549. 

 -19296. Zur Cytologie von Malus : II. Der Ziichter 1 : 209-217. 

 -1930. Cytology of Pyrus : III. Proc. Am. Soc. Hort. Sci. 1930 : 406-410. 

 Schiirhoff, P. N. 1926. Die Zytologie der Blutenpflanzen. Stuttgart. 

 Sienicka, Antonina. 1929. Uber den Blutenbau und die Pollenbildungsvorgange bei 



Hemerocallis fulva fl. ploeno. Acta Soc. Bot. Poloniae 6: 296-334. 

 Stout, A. B. 1929a. The Fulvous Daylilies I. Jour. New York Botanical Garden 



30: 129-136. 

 —19296. The Fulvous Daylilies II. Jour. New York Botanical Garden 30 : 185-194. 

 —1929c. Hemerocallis flava F., Hemerocallis minor Miller, Hemerocallis Thunbergii 



Baker, Hemerocallis fulva clon Maculata, Hemerocallis aurantiaca Baker, 



Hemerocallis Dumortierii Morren, Hemerocallis Middendorffii Traut and Mey., 



Hemerocallis multiflora Stout, sp. nov. Addisonia 14 : 17-32. Plates 457-464. 

 —1930. Hemerocallis Forresti Diels, Hemerocallis citrina Baroni, Hemerocallis fulva 



longituba Maxim., Hemerocallis fulva rosea Stout, var. nov., Hemerocallis clon 



Luteola. Hemerocallis clon Gold Dust, Hemerocallis clon Mikado, Hemerocallis 



clon Wau-Bun. Addisonia 15 : 1-15. Plates 481-488. 



— and Susa, T. 1929. Chromosome Irregularities in Relation to Sterility in Hemero- 



callis fulva clon Europa. Ann. N. Y. Acad. Sci. 31 : 1-30. 

 Strasburger, Edward. 1882. Uber den Theilungsvorgang der Zellkerne und des Ver- 



haltniss der Kerntheilung zur Zelltheilung. Archiv. f . Mikr. Anat. 21 : 



476-590. 

 Takenaka, Y. 1929. Karyological Studies in Hemerocallis. Cytologia 1 : 78-83. 



— and Nagamatsu, T. 1930. On the Chromosomes of Lilium tigrinum. Bot. Mag., 



Tokyo, 44 : 386-391. 

 Timm, Herbert. 1928. Untersuchungen uber die Sterilitatsursachen von Hemerocallis 



fulva und citrina. Planta 5 : 784-808. 

 Tischler, G. 1927. Pflanzliche Chromosomen-Zahlen. Tabulae Biologicae 4 : 1-83. 



