Abstract
IN a recent study of the development of the male gamete in the style of Lilium regale, O'Mara1 states that no equatorial plate is formed, but that at metaphase the chromosomes lie scattered in the pollen tube. Welsford2, on the other hand, illustrates in L. Martagon (her Fig. 16) the complement normally arranged on a plate.
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References
O'Mara, J., Bot. Gaz., 94; 1933.
Welsford, E. S., Ann. Bot., 28; 1914.
Wilson, E. B., “The Cell in Development and Heredity”, (New York, 1925). Fig. 59.
Darlington, C. D., Proc. Roy. Soc., B, 117 (in the press).
Sharp, L. W., Bot. Gaz., 88; 1929.
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UPCOTT, M. Chromosomes of the Tulip in Mitosis. Nature 135, 957–958 (1935). https://doi.org/10.1038/135957b0
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DOI: https://doi.org/10.1038/135957b0
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