SEA SPLEENWORT. 
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SEA SPLEENWORT, {the Liverpool plants natural size). 
Asplenium marinum, Linneus. 
This fem is, as its name implies, essentially a marine species, 
rooting deeply in the fissures of sea-cliffs, or clothing the roof 
of sea-caves, in the darkest recesses of which it seems to luxu- 
riate. Its range in Great Britain is very extensive, but confined 
entirely to those counties which are washed by the sea. In the 
following brief summary of English and Welsh localities its al- 
most total absence from the eastern coast is worthy of remark. 
Anglesea. — We learn from Ray that it occurs on the rocks 
about Priestholm island and at Llandwyn ; the Rev. Hugh 
Davies says it is common on the rocks ; and Mr. Watson gives 
me the South Stack as a locality. 
Caernarvonshire. — Mr. Pinder informs me he found it on 
the Eagle-tower in Caernarvon- castle ; and Mr. Wilson has 
found it at Orme’s head. 
Cardiganshire. — In many places: I found it very fine on the 
Castle-rock, and on the Castle- wall at Aberystwith. 
Cheshire. — I found it on the rocks called the Red Noses at 
New Brighton ; and Mr. Wilson and Mr. Watson have subse- 
quently given me this as a station. Dr. Wood informs me that 
‘‘on the rocks of Hilber island, at the mouth of the river Dee, 
