The Old Red flora seems to have been prevailingly an acrogenic flora; and yet with almost its first beginnings, -- contemporary with at least the earlier fossils of the system in Scotland, we find a true polycotyledonous tree, not lower in the scale than the araucarites of the Coal Measures, -- which in structure it greatly resembles, -- or than the pines or cedars of our own times (see Fig. 3).    From Wordnik.com.  [The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed] Reference