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LITERATURE CITED

  • 1
    Borge, O. Süsswasser Flora Deutschlands, etc, Jena, Heft 9, 1913.
  • 2
    Cooke, M. C., Brit. Freshwater Algæ. London , 188284, 2 vols.
  • 3
    De Bary, A. Untersuch. über die Familie der Conjugaten. Leipzig , 1858.
  • 4
    Fritsch, F. E. The Morph. and Ecol. of an Extreme Terrestrial Form of Zygnema (Zygogonium) ericetorum. Ann. Bot. XXX, 1916. p. 135.
  • 5
    Hassall, A. H. A History of the Brit. Freshwater Algæ London, 1852, Vol. I.
  • 6
    Palla, E. Ueber eine neue Art und Gattung d. Conjugaten. Ber. Deutsch. Bot. Ges. XII, 1894.
  • 7
    Rabenhorst, H. Flora Europ. Alg. Sect. III, 1868.
  • 8
    West, G. S. Algae. Vol. 1, Cambridge , 1916.
  • 9
    West, G. S., and Starkey, Clara B. Zygnema ericetorum and its position in the Zygnemaceæ. Rep. Brit. Assoc., Birmingham Meeting, 1913, p. 716.
  • 10
    West, G. S., and Starkey, Clara B. A Contrib. to the Cytology and Life-History of Zygnema cricetorum, with some Remarks on the “Genus”Zygogonium. New Phytol., XIV, 1915.
  • 11
    West, W., and West, G. S. On Some Freshwater Algæ from the West Indies. Jour. Linn. Soc. Bot., XXX, 1894, p. 264.
  • 12
    Wille, N., in Engler and Prantl. Nat. Pflanzenfam. 1 Teil, 2 Abt., 1897.
  • 13
    Wille, N., Op. cit. Nachtr. z. 1 Teil, 2 Abt., Leipzig , 1909.