








THE BRITISH FERNS, 
THE COMMON SCALE FERN, or SCALY SPLEENWORT. 
CETERACH OFFICINARUM. 
C. fronds coriaceous, narrow lanceolate, sinuate-pinnatifid, some- 
times pinnate below; segments oblong obtuse, entire or sinuately- 
lobed, densely scaly beneath. [Plate XCIII A.] 
CETERACH OFFICINARUM, Willdenow, Enum. 1068 soda, Sp. Plant, x. 136: 
Gray, Nat. Arr. Brit. Pl. ii. 4. Hooker, Gen. Fil. t. 113 A. Hooker & 
Arnott, Brit, Fl. 7 ed. 580. Babington, Man. Brit. Bot. 4 ed. 427. Deakin, 
Florigr. Brit. iv. 81, fig. 1599. Newman, Hist. Brit. Ferns, 2 ed. 293. Moore, 
Handb. Brit. Ferns, 3 ed. 214 ; Id., Ferns of Gt. Brit. Nature Printed, 
t. 43 A. Sowerby, Ferns of Gt. Brit. 62, t. 36. Link, Fil. Sp. 144. Fee, 
Gen. Fil. 206, t. 30 A, fig. 2. Bentham, Handb. Brit. Fl. 634. Heufter, 
Aspl. Europ. 110. Nyman, Syllog. Fl. Europ. 433. Mettenius, Fil. Hort. 
Bot. Lips. 80, t. 13, fig. 13. Lowe, Nat. Hist. Ferns, v. t. 54. 
ASPLENIUM CETERACH, Zinneeus, Sp. Plant. 1538. Bolton, Fil. Brit. 20, t. 12 
(bad). Lightfoot, Fl. Scot. 661. Sturm, Fl. (Farrn.) t. 6. 
ASPLENIUM SINUATUM, Salisbury, Prod. 403. 
SCOLOPENDRIUM CETERACH, Symons, Syn. Plant. 193. Smith, Eng. Bot. xviii. 
t. 1244 ; Id., Eng. Fl. 2 ed. iv. 302. Roth, Fl. Germ. iii. 48. 
VITTARIA CETERACH, a, Bernhardi, Ueber Asplen. (Act. Erford. 1802) 15. 
GYMNOPTERIS CETERACH, Bernhardi, Schrad. neues Journ. Bot, 1806, i. part 
2, 22. 
GRAMMITIS CETERACH, Swartz, Syn. Fil. 23. Schkuhr, Krypt. Gew. 186, t. 7, b. 
Mackay, Fl. Hib. 337. Hooker, Brit. Fl. 1 ed. 441. Koch, Syn. 2 ed. 924. 
Loddiges, Bot. Cab. t. 15. 
GYMNOGRAMMA CETERACH, Sprengel, Syst. Veg. iv. 38 (excl. syn. Grammitis 
aurea, etc.). Presl, Tent. Plerid. 219, t. 9, fig. 10 (venation incorrect). 
Ledebowr, Fl. Ross. iv. 507. Sadler, Fil. Hung. 15. 
BLECHNUM SQUAMOSUM, Stokes, Bot. Mat: Med. iv. 617. 
NOTOLEPEUM CETERACH, Newman, Hist. Brit. Ferns, 2 ed. 9; 3 ed. 277; Id., 
Phytol. 1851, App. v. ` 
CETERACH CETERACH, Newman, Phytol. 1851, App. v., in obs, 

Caudex short, tufted, scaly. Scales ovate-lanceolate, finely reti- 
culate-venose, dark brown. Fibres branched, numerous. 
Vernation circinate. 
Stipes short, from half an inch to three inches long, terminal and 
adherent to the caudex, dark-coloured at the base, furnished with 
numerous ovate-lanceolate peltately attached scales, of a pale tawny 
colour, beautifully venose with close black reticulations. 

