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1 See B. xv. c. 7.
2 The Populus alba of Linnæus.
3 The Populus nigra of Linnæus.
4 The Populus tremula of Linnæus. This statement as to the leaves of the poplar is verified by modern experience.
5 This does not appear to be exactly correct as to the ivy. The leaves on the young suckers or the old and sterile branches are divided into three or five regular lobes, while those which grow on the branches destined to bear the blossoms are ovals or lanceolated ovals in shape.
6 It is not from the leaves, but from the fruit of the tree that this down falls; the seeds being enveloped with a cottony substance. This passage is hopelessly corrupt.
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