


THE BRITISH FERNS. 
THE COMMON POLYPODY. 
POLYPODIUM VULGARE. 
P. fronds linear-oblong, ovate-oblong, or ovate, acuminate, deeply 
pinnatifid, almost pinnate below, thickish, smooth; the lobes linear- 
oblong, bluntish or acute, obscurely serrate. [Plate I.] 
PoLYPODIUM VULGARE, Zinneus, Sp. Plant. 1544. Bolton, Fil. Brit. 32, t. 18. 
Smith, Eng. Bot. xvi. t. 1149; Id., Fl. Brit. 1113; Id., Eng. Fl. 2 ed. iv. 
267. Hudson, Fl. Ang. 455. Curtis, Fl. Lond. ü.t. 5. Deakin, Florigr. 
Brit. iv. 37, fig. 1579. Hooker & Arnott, Brit. Fl. 7 ed. 581. Babington, Man. 
Brit. Bot. 4 ed. 419. Sowerby, Ferns of Gt. Brit. 9, t. 1. Moore, Handb. 
Brit. Ferns, 8 ed. 49; Id., Ferns of Gt. Brit. and Ireland, Nature Printed, 
t.l. Mackay, Fl. Hib. 337. Hooker, Gen. Fil. t. 69 B. Bentham, Handb. 
Brit. Fl. 625. Lowe, Nat. Hist. Ferns, i. t. 88. Schkuhr, Krypt. Gew. 
12, t. 11. Willdenow, Sp. Plant. v. 172. Sprengel, Syst. Veg. iv. 52. 
Svensk Bot. t. 37. Flora Danica, t. 1060. Fries, Sum. Veg. 82. Ledebour, 
Fl. Ross. iv. 508. Koch, Synops. 2 ed. 974. Gray, Man. Bot. North. U. 
States, 590, t. 9. Presl, Tent. Plerid. 179, t. 7, fig. 3. Fe, Gen. Fil. 
235. Nyman, Syll. Fl. Europ. 481. 
PoLYPODIUM VITERBIENSE, Boccone, Mus. di Piante, 60. 
POLYPODIUM BOREALE, Salisbury, Prod. 408. 
PoLYPODIUM OFFICINALE, Guldenstadt, Reis. dur. Russ. i. 421 ; ii. 25, 166. 
PoLYPODIUM PINNATIFIDUM, Gilibert, Excerc. Phytolog. ii. 577. 
POLYPODIUM CANARIENSE, Willdenow Hb. 19647 ; and of gardens. (A variety.) , 
PoLYPODIUM AUSTRALE, Fée, Gen. Fil. 236, t. 20 A, fig. 2. (A variety.) 
POLYPODIUM VIRGINIANUM, of gardens; ? of Linneus, who quotes under this 
name figures of Morison and of Plumier,—the former apparently repre- 
senting a-small state of Polypodium vulgare, the latter Polypodium incanum, 
—but has left no specimen in his Herbarium. (A variety.) 
PoLYPODIUM INTERMEDIUM, Hooker & Arnott, Bot. Beech. Voy. 405. (A variety.) 
CrENOPTERIS VULGARIS, Newman, Phytol. ii. 274 ; Id., Phytol, 1851, App. 
xxix. ; Id., Hist. Brit. Ferns, 3 ed., 41. 
Var. cristatum; fronds and lobes multifid-crisped at their apices. 
[Plate IV.] 
PoLYPODIUM VULGARE, v. CRISTATUM, Moore, Sims Cat. Ferns, 1859. 
Var. semilacerum ; fronds pinnatifid and fertile above, bipinna- 
tifid below ; pinnatifid lobes narrowed below ; lobules distinct, linear, 
acute, serrate. [Plate V. ] 
POLYPODIUM VULGARE v. SEMILACERUM, Link, Fil. Sp. Berol. 127. Moore, 
Handb. Brit. Ferns, 8 ed. 50; Id., Ferns of Gt. Brit. and Ireland, Nature- 
Printed, t. 2 A. 
POLYPODIUM VULGARE v. HIBERNICUM, Moore, Handbook of Brit. Ferns, 2 ed. 44. 
Sowerby, Ferns of Gt. Brit. 10. 
PoLYPODIUM VULGARE v. SINUATUM, Francis, Brit. Ferns, 4 ed. 22 (not of Willd.) 

