 | John Holland - 1835 - 516 páginas
...associated with the more ancient carboniferous deposits. " A cursory observer," adds Mr. Phillips, " may, perhaps, be led to confound together the ferns...dicotyledonous leaves and fruits which abound above the chalk ? " * As a specimen of a remarkable family of plants, the remains of which occur so extensively in... | |
 | John Holland - 1835 - 514 páginas
...associated with the more ancient carboniferous deposits. " A cursory observer," adds Mr. Phillips, "may, perhaps, be led to confound together the ferns...the cycadiform fronds of the middle period, and the dicotyledenous leaves and fruits which abound above the chalk ? " * As a specimen of a remarkable family... | |
 | Richard Cowling Taylor - 1848 - 928 páginas
...led to confound together the ferns and catamites of the coal district, with the ferns and equisetx of the oolitic rocks ; though, to a botanical eye,...difference is very apparent. But who can mistake the lepododendra of the former; the cycadiform fronds of the middle period ; and the dicotyledonous leaves... | |
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Sternberg. and mountain limestone" — in other words, is associated with the more ancient carboniferous deposits. " A cursory observer," adds Mr. Phillips, " may, perhaps, be led to confound together the ferns and calamites of the coal district with... 