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! Cplant
given by Mr. Berkeley, so far as outward resemblance may
be trusted. But tbe magnified figure of that author is very
unlike that now given; nor have I been able to detect the long
diaphanous points to the filaments which he describes. Still
I am inclined to regard our plants as identical.
From the common Leathesia tuheriformis {Corynep/iora marina,
Ag. and Brit. FI.), L. BerTceleyi differs in being at all times of a
dense and solid substance (not, as L. tuheriformis, at first floc-
culent within, and then hollow), in its difierent colour, and more
depressed form. In all the essential characters, if my analysis, made
from the recent plant, may be depended on, the two plants agree
in structm-e. I therefore remove L. Berheleyi, which was at
first placed in Chmtopliora, to the present genus. The name Cory-
nephora under which these plants have been hitherto known to
British botanists must be laid aside, being too like, both in sound
and sense, to Coryiiephorus, Palis.,' a genus of Grasses; and
that now revived was proposed for the typical species in 1821,
three years earlier than Agardh applied Corynephora to it.
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Fig. L eathesia B eukeleyi ; cluster of fronds -.— o f the natural size. 2. Yer-
tical section of a frond:-—moderately magnified, 3. Some of tlie filaments
of wliicli it is composed :— highly magnified.
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