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LITERATURE REFERRED TO

  • 1
    Grimshaw, Percy H. Oligotrophus Ventricolus Rübs., a new Yorkshire Gall-Midge. The Naturalist, 1914, pp. 3336.
  • 2
    Jefferies, T. A. Ecology of the Purple Heath Grass (Molinia cœrulea). Journal of Ecology, Vol. 3, 1915, pp. 93109.
  • 3
    Lewton-Brain, L. On the Anatomy of the Leaves of British Grasses. Trans. Linn. Soc. Bot., Vol. 6, 1904.
  • 4
    Ward, H. Marshall. Grasses,” 1901.
  • 5
    Woodhead, T. W. Notes on the Bluebell. The Naturalist, 1904, pp. 418 and 818.
  • 6
    Woodhead, T. W. Ecology of Woodland Plants in the Neighbourhood of Huddersfield. Journ. Linn. Soc. Bot., Vol. 37, 333406.