













THE BRITISH FERNS, 
THE SEA SPLEENWORT. 
ASPLENIUM MARINUM. 
A. fronds linear or linear-lanceolate, tapered above, pinnate; 
pinne trapezoid-oblong, oblique, shortly stalked, the margin serrate 
unequally crenate or lobate, rarely pinnatifid, the anterior base 
truncate and sub-auriculate, the posterior cuneate; upper pinne 
confluent; sori large, oblique, near the midrib; rachis and petiole 
winged. [Plate LXXIII.] 
ASPLENIUM MARINUM, Linnœus, Sp. Plant. 1540. Bolton, Fil. Brit. 96, t. 15. 
Smith, Eng. Bot. vi. t. 392; Id., Eng. Fl. 2 ed. iv. 294. Hooker, Fl. 
Lond. iv. 57, t. 60. Deakin, Florigr. Brit. iv. 69, fig. 1592. Hooker d 
Arnott, Brit. Fl. 7 ed. 588. Mackay, Fl. Hib. 841. Babington, Man. 
Brit. Bot. 4 ed. 426. Moore, Handb. Brit. Ferns, 3 ed. 177 ; Id., Ferns of 
Gt. Brit. Nature Printed, t. 38. Newman, Hist. Brit. Ferns, 8 ed. 235. 
Bentham, Handb. Brit. Fl. 632. Sowerby, Ferns of Gt. Brit. 50, t. 29. 
Schkuhr, Krypt. Gew. 64, t. 68 (excl. fig. c.) Wélldenow, Sp. Plant. v. 318. 
Sprengel, Syst. Veg. iv. 83. Prest, Tent. Pterid. 107. Link, Fil. Sp. 93. 
Mettenius, Fil. Hort. Bot. Lips. 73 ; Id., Asplen. 135. Fee, Gen. Fil. 190. 
Heufler, Aspl. Eur. 14. Lowe, Nat. Hist. Ferns, v. t. 23. Nyman, Syl. 
Fl. Europ. 432. 
ASPLENIUM LATUM, Hort. Lowe, Nat. Hist, Ferns, v. t. 21 A. 
ASPLENIUM TOVARENSE, Hort. 
Var. trapeziforme: pinn® shorter, trapezoid-ovate, the "upper 
base truncately-rounded not auricled, toothed; the lower ones 
deflexed. 
ASPLENIUM MARINUM, ®. MINOR, Link, Fil. Sp. 93. Moore, Index Filicum, 144. 
ASPLENIUM MARINUM, Schkuhr, Krypt. Gew. t. 68, fig. c. 
ADIANTUM TRAPEZIFORME, Hudson, Fl. Ang. ii. 460, according to Smith, 
Bolton, ete. ; but Hudson describes his plant as ““supradecompound.” 
Var. assimile: pinn® elongate, linear oblong, crenately auricled 
and truncate at the base, narrowed upwards, deeply and distantly 
lobed, the lobes directed forwards, crenately-toothed ; pinnæ some- 
times conspicuously auriculate. 
ASPLENIUM MARINUM, v. ASSIMILE, Moore, Ferns of Gt. Brit. Natwre Printed, 
under t. 38 ; Id., Handb. Brit. Ferns, 3 ed. 180; Id., Index Fil. 144. 
Var. acutum: pinne elongate, linear oblong, auricled and trun- 

