
THE BRITISH FERNS. 
THE SMOOTH ROCK SPLEENWORT. 
ASPLENIUM FONTANUM. 
A, dwarf; fronds narrow or linear-lanceolate broadest upwards, 
rigid, glabrous, bipinnate; pinn® oblong-ovate; pinnules small, 
obovate-cuneate, with a few large angular pointed teeth; rachis 
narrowly winged throughout; sori short, oblong. [Plate LXVII.] 
ASPLENIUM FONTANUM, Bernhardi, Schrad. neues Journ. Bot. 1806, i., part 2, 
26. Smith, Eng. Fl. 2 ed. iv. 299. Hooker & Arnott, Brit. Fl. 7 ed. 589. 
Deakin, Florigr. Brit. iv. 62, in note. Moore, Handb. Brit. Ferns, 3 ed. 
162; Id., Ferns of Gt. Brit. Nature-Printed, t. 35 A. Bentham, Handb. 
Brit. Fl, 632. Sowerby, Ferns of Gt. Brit. 45, t. 26, (bad). Brown, Prod. 
Fl. Nov. Holl. 150, in obs. Sprengel, Syst. Veg. iv. 86. Sadler, Fil. Hung. 
26. Link, Fil. Sp. 95. Mettenius, Fil. Hort. Bot. Lips. 77; Id., Asplen. 
140. Lowe, Nat. Hist. Ferns, v. t. 21 B. 
ASPLENIUM HALLERI, Sprengel, Syst. Veg. iv. 88.  Sadler, Fil. Hung. 27. 
De Candolle, Fl. Franç. v. 240. Link, Fil. Sp. 95. Koch, Syn. 9 ed. 
982. Ledebour, Fl. Ross. iv. 519. Nyman, Syll. Fl. Europ. 432. 
PoLYPODIUM FONTANUM, Linnœus, Sp. Plant. 1550. Smith, Fl. Brit. 1114, 
Bolton, Fü. Brit. 38, t. 21. Poiret, Enc. Bot. v. 526. 
PoLYPODIUM ALPINUM, Lamarck, Fl. Franc. 1 ed. 22. 
ASPIDIUM FONTANUM, Swartz, Schrad. Journ. Bot. 1800, ii. 40; Id., Syn. Fil. 
57. Willdenow, Sp. Plant. v. 272. Schkuhr, Krypt. Gew. 52, t. 58. 
Smilh, Eng. Bot. xxix., t. 2094. 
Aspıpıum HALLERI, Willdenow, Sp. Plant. v. 274. Poiret, Enc. Supp. iv. 518. 
ATHYRIUM FONTANUM, Roth, Fl. Germ. ii. 59. Sadler, Adumb. Epiphyll. 
Hung. 20. De Candolle, Fl. Frang. 3 ed. ii. 557. Presl, Tent. Pterid. 
98. .Babington, Man. Brit. Bot. 4 ed. 425. Gray, Nat. Arr. Brit. Pl. ii. 
10. Fée, Gen. Fil. 186: 
ATHYRIUM HALLERI, Roth, Fl. Germ. iii. 60. Presl, Tent. Pterid. 98. Fée, 
Gen. Fil. 186. Mettenius, Fil. Hort. Bot. Lips. 77. 

Caudex short, erect, tufted, somewhat scaly. „Scales subulate, dark 
brown, semi-transparent, striately venose with elongate parallel 
areoles. Fibres slender, branched, tomentose. 
Vernation circinate. : 
Stipes short, slender, dark purplish brown, and furnished with a 
few small deciduous scales at the base, becoming green upwards ; 
terminal and adherent to the caudex. Rachis green, with a narrow 

