Hudson’s spleenwort. 
249 
HUDSON’S SPLEEN WORT, [one-fourth the natural size), 
Asplenium lanceolate m, Hudson. 
This is a very local fern, and, although not exclusively con- 
fined to the sea-shores, must be considered chiefly a maritime 
species, for, with the exception of the stations in the vicinity of 
Tunbridge Wells and Snowdon, it has never been found, as far 
as my information extends, at any considerable distance from 
the sea. I have recorded below all the localities of this fern 
which have come to my knowledge : three others, — in Oxford- 
shire, Shropshire and Yorkshire, have been recorded, but I 
think it preferable to omit these, since I believe they have never 
been verified by a second observer, and were published at a time 
when the species was very imperfectly known. 
Caernarvonshire. — -I found it at two stations in this county ; 
the first on some rocks on the right hand of the road between 
Tan-y-bwlch and Aberglaslyn, and the second on a rock close 
to Aberglaslyn. . Mr. S. Thompson, guided by my record of 
