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ASPLENIUM FILIX-FŒMINA, B. LATIFOLIUM, Hooker & Arnott, Brit. Fl. 6 ed. 574. 
Moore & Houlston, Gard. Mag. Bot. iii. 262. 
Var. acuminatum: fronds suberect, dwarfish, broadly lanceolate, 
bipinnate, pinn rather crowded, ending in a long serrated acuminate 
point; pinnules distinet but decurrent, linear-oblong often narrowed 
below, blunt at the apex, pinnatifid, the teeth of the lobes acute; 
sori numerous, near the midrib. [Plate LV A.] 
ATHYRIUM FILIX-F@MINA, v. ACUMINATUM, Moore, Handb. Brit. Ferns, 3 ed. 
156. 
Var. incisum : fronds drooping, broadly lanceolate, bi-subtri- 
pinnate; pinnz broad oblong, tapering; pinnules linear-lanceolate 
distinct, deeply pinnatifid, the lobes somewhat distant, toothed at 
their margin and apex; sori numerous, near the midrib. [Plate 
LVI.] 
ATHYRIUM FILIX-F@MINA, v. INCISUM, Newman, Hist. Brit. Ferns, 2 ed. 243 ; 
3 ed. 214. Sowerby, Ferns of Gt. Brit. 44. Moore, Ferns of Gt. Brit. 
Nature Printed, under t, 805 Id., Handb. Brit. Ferns, 3 ed. 149. 
ATHYRIUM INCISUM, Newman, Phytol. 1851, App. xiii. ; Id., Hist. Brit. Ferns, 
3 ed. 214. 
ATHYRIUM CYCLOSORUM, Ruprecht, Dist. Crypt. Ross. 41. 
PoLyPoDIUM INCISUM, Hoffmann, Rem. and Ust. Mag. Bot. 1790, pt. 9, 10, 
fig. 13 b; Id., Deutschl. Fl. ii. 7. 
Var.. plumosum: fronds drooping, broadly lanceolate, tripinnate ; 
pinn crowded above, acuminate; pinnules ovate-acuminate over- 
lapping, divided down to the slender marginate costa into distinct 
linear secondary pinnules, which are inciso-pinnatifid with narrow 
linear unequally bifid or three-toothed segments, the teeth linear 
acute ; sori imperfect, oligocarpous, almost or quite without indusia. 
[Plate LII B; LVI bis.] 
ATHYRIUM FILIX-F@MINA, v. PLUMOSUM, Moore MS., Id., Phytologist, new 
series, iii. (1859) 19. 
Var. gracile: fronds lax, slender, bipinnate ; pinne distant, 
caudately acuminate; pinnules distant on the slender rachides, 
linear-oblong; fringed in the upper half with linear acute teeth ; sori 
crowded, near the midrib. [Plate LVIII] 
ATHYRIUM FILIX-FŒMINA, v. GRACILE, Moore, Handb, Brit, Ferns, 8 ed. 158. 

