XVI 
Edward Newman 
Aspidium lobatum (Swartz), Sin. E. F. iv. 291 ; Mack. FI. 
Hib. 338; Hook, and Am. 568. 
Polystichum aculeatum (Both), Newm. N. A. 25, F. 169 ; 
Bab. 411. 
Rliizoma tufted ; stipes very short ; frond rigid, horizon- 
tal, leathery, linear lanceolate, pinnate ; pinnae numerous, 
pinnatifid, divisions decurrent. 
Common everywhere. 
Polystichum Lonchitis. 
Polypodiuni Lonchitis, Linn. Sp. PI. 1548; Light f. FI. Scot. 
668; Buds. FI. Ang. 455; With. Arr. 773 ; Sm. E. 
B. 797. 
Polipodium Lonchitis, Bolt. Fil. Brit. 34, t. 19. 
Aspidium Lonchitis (Swartz), Sm. E. F. iv. 284 ; Mack. FI. 
ILib. 338 ; Hook, and Am. 568. 
Polystichum Lonchitis (Roth), Newm. N. A. 25, F. 163 ; 
Bab. 411. 
Rliizoma tufted ; stipes very short ; frond linear, rigid, 
leathery, pinnate ; pinnae entire, auricled at the base, ser- 
rated, very spiny ; clusters of capsules circular, crowded, 
often confluent, confined to the upper half of the frond. 
On mountains, rare. Caernarvonshire, Durham, York- 
shire, Forfarshire, Perthshire, Kerry, Sligo. 
Genus. — Lopiiodium, Newm. 
Involucre nearly circular, scale-like, its direction oblique 
to the plane of the frond, its margin with a conspicuous 
notch, and its attachment at this notch : first upper pin- 
nule generally larger than the second, and always greatly 
less than the first lower pinnule : all the ultimate divisions 
ending in a point : cormus or rliizoma large, massive, and 
long enduring. 
* Frond deltoid ; points of divisions spine-like. 
Lopiiodium (recuiivum) fcenesecii. 
1790. Polipodium cristatum, Bolt. Fil. Brit. 42, ad partem, 
i. c., t„ 23. 
