Anyhow, the term is vague, and in England will depend upon whether a person compares it with the United States or Tierra del Fuego.

In my Journal (page 342) I see I state that in South Chiloe, at a height of about 1,000 feet, the forests had a Fuegian aspect: I distinctly recollect that at the sea-level in the middle of Chiloe the forest had almost a tropical aspect.

I should like much to hear, if you make out, whether the N.or S.boundaries of a plant are the most restricted; I should have expected that the S.would be, in the temperate regions, from the number of antagonist species being greater.

N.B.Humboldt, when in London, told me of some river (14/3.

The Obi (see "Flora Antarctica," page 211, note).