THE SEA SPLEENWORT. 91 
cate at the base, narrowed to an acute point, crenate or crenately 
sublobate, with sparingly toothed segments. [Plate LXXIV D.] 
ASPLENIUM MARINUM, v. ACUTUM, Moore, Ferns of Gt. Britain, Nature Printed, 
under t. 38; 7d., Handb. Brit. Ferns, 3 ed. 179. 
Var. incisum : pinne small, short, obliquely oblong-obtuse, with 
a few coarse deep lebes, the lobes obscurely toothed. [Plate 
LXXIV A.] 
ASPLENIUM MARINUM, v. INCISUM, Moore, Handb. Brit. Ferns, 8 ed. 180. 
Var. ramosum: pinne obliquely ovate or triangular, subhastate 
below, sublobate or coarsely erenated, the crenatures obscurely 
toothed; stipites usually two branched or united in pairs at or near 
the base. [Plate LX XIII dis, B.] 
ASPLENIUM MARINUM, v. RAMOSUM, Wollaston MS. Moore, Ferns of Gt. Britain, 
Nature Printed, t. 38 H ; Id., Handb. Brit. Ferns, 3 ed. 179. 
Var. sub-bipinnatum: pinne obliquely ovate-lanceolate, the 
central ones almost again pinnate at their base, deeply pinnatifid 
throughout; anterior basal lobes oval, acute, obscurely serrate. 
[Plate LXXIV E.] 
ASPLENIUM MARINUM, v. SUB-BIPINNATUM, Moore, Ferns of Gt. Britain, Nature 
Printed, under t. 38; Id., Handb. Brit. Ferns, 3 ed. 177 ; Id., Index 
Filicum, 144. 

Caudew tufted, erect or decumbent, densely scaly. «Scales dark 
brown, shining, striately venose, lanceolate, extending into a long 
hair-like point. Fibres branching, numerous. 
Vernation circinate. 
Stipes shorter than the frond, smooth, channelled in front, chest- 
nut-coloured or purplish-brown; terminal and adherent to the 
eaudex. Rachis margined and more or less coloured brown below, 
winged and green above. 
Fronds averaging from six to twelve inches long, including the 
stipites, sometimes shorter, occasionally longer, rarely upwards of a 
yard.long; smooth, coriaceous, broadly linear tapering to the apex, 

