Abstract
IN his revision of the British species of Agrostis, Philipson1 subdivided Agrostis canina into the two varieties A. canina var. fascicularis and A. canina var. arida. These two varieties differ from one another in several morphological features, which are mainly of a quantitative nature; but the basis of separation in Philipson's key is the presence of stolons in var. fascicularis and of rhizomes in var. arida. These varieties can be separated also by their ecological preferences. Var. fascicularis is commonly found on wet acid soils, and var. arida on the drier acid soils. Both varieties may, however, occur together.
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References
Philipson, W. R., J. Linn. Soc. Lond. Bot., 51, 73 (1937).
Sokolovskaya, A. P., J. Bot. de l'URSS., 22, 478 (1937); Cytologia, 8, 452 (1938).
Wulff, H. D., Ber. d. deut. Bot. Ges., 55, 262 (1937).
Björkman, S. O., Hereditas, 37, 465 (1951).
Myers, W. M., J. Hered., 35, 17 (1944).
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JONES, K. Autotetraploidy in Agrostis canina. Nature 169, 159–160 (1952). https://doi.org/10.1038/169159b0
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DOI: https://doi.org/10.1038/169159b0
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