XX 
Edward Newman 
1788. Polypodium Callipteris, F} hr hart, Beitrage, iii. 77, 
Crypt. 53 ; Hoffm, Deutscli. FI. ii. 6. 
1800. Polystichum cristatum, Both, FI, Germ. iii. 84. 
Aspidium cristatum, Sm. E. F. iv. 289, E. B. 2125 ; Hook, 
and Am. 569. 
Lastrea Callipteris, Newm. F. 12. 
Lastrea cristata, Newm. N. A. 21, F. 203 ; Moore, Phytol. 
iv. 149, ad partem; Bah. 410, ad partem. 
Lophodium Callipteris, Newm. Phytol. iv. 371. 
Rhizoma very stout, slowly creeping, often extending 
two or three feet ; stipes branched, as long as the frond, 
sparingly clothed with short, broad, pale, semi-liyaline 
scales ; frond very erect, narrow, linear, pinnate ; pinnae 
rather distant, short, somewhat triangular, pinnatifid, from 
five to eight pairs usually of the same length, but the fifth, 
sixth, seventh or eighth pair somewhat longest, and the 
others gradually approaching them in length, the distance 
between each pair gradually decreasing from the base 
towards the apex ; pinnules generally decurrent, oblong, 
lobed, serrated, blunt or rounded at the apex, the lower 
pinnules generally larger and longer than the upper ; 
involucre flat, its margin irregular ; clusters of capsules 
crowded, often confluent, confined to the upper part of the 
frond. 
On boggy ground, in Cheshire, Norfolk, Nottingham, 
and Suffolk ; very local. 
*** Involucre more convex and more completely reniform ; points of divi- 
sions obtuse . — Dryopteris, Schott. 
Lophodium Filix-mas. 
Polypodium Filix-mas, Linn. Sp. PI, 1551; Light/. FI, Sc, 
671 ; Iluds. FI. Ang. 458 ; With, Arr. 775. 
Polipodium Filix-mas, Bolt. Fil. Brit. 44, t. 24. 
Aspidium Filix-mas {Swartz), Sm. E. F. iv. 288, E. B. 
1458 ; Mack. 340 ; Hook, and Am. 569. 
Aspidium cristatum, Sm. E. B. 1949 ; Mack. 340. 
Dryopteris Filix-mas, Schott, Fil. 
Lastrea Filix-mas, Newm, N. A. 19, F. 197 ; Hah. 410. 
