. The Quarterly journal of the Geological Society of London . SILURIAN PLANT REMAINS MinterTL t DENBIGHSHIRE GRITS, NEAR CORWEN, NORTH WALES. 483 to the Coniferce, but yet differing from any Conifer known to him in the cylindrical form and loose aggregation of the wood cells, asseen in the cross section, in which particular it more nearly resem-bles the young succulent twigs of some modern Conifers than theirmature wood. He maintained, however, that it was an exogenoustree, with bark, rings of growth, medullary rays, and well-developedthough peculiar woody tissue *.
. The Quarterly journal of the Geological Society of London . SILURIAN PLANT REMAINS MinterTL t DENBIGHSHIRE GRITS, NEAR CORWEN, NORTH WALES. 483 to the Coniferce, but yet differing from any Conifer known to him in the cylindrical form and loose aggregation of the wood cells, asseen in the cross section, in which particular it more nearly resem-bles the young succulent twigs of some modern Conifers than theirmature wood. He maintained, however, that it was an exogenoustree, with bark, rings of growth, medullary rays, and well-developedthough peculiar woody tissue *. Mr. Carruthers subsequently examined the same plant and re-de-scribed it in an elaborate paper in the Monthly Microscopical Journalfor October 1872, and gave numerous reasons for excluding it not onlyfrom the Coniferse, but from land plants altogether, and for placingit in preference among the Algae. In doing so, however, he said itwas an anomalous Alga, and, indeed, that with the materialsknown, it was not possible to correlate it with certainty with anykn
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
