\, AspidiumJ] CVIIL POLYPODIACE^. " 583 



\ 



Vlsi 



?}^N J 1. W. Jlvensis Br. {oblong TF.) ; fronds lanceolate pinnate, 



.^% I pinnae deeply pinnatifid with many oblong segments chaffy 



'^' %i ^ beneath and on the rachis and stipes. Hook, in E. B, /S. t. 2616. 



Acrostichum L. 



^^.\ Mountains; very rare. Wales. Near Caldron spout, Tecsdale. 



Hills to the north of Moffat; Clova mountains. — Pla7it small, 

 2 — 3 inches hiffh. 



1 



' glan- 



es. 



ifid). 



found 

 it has 



t'ever, 



Back- 



'Mr. 







\ 



2. W. hyperhorea Br. (round-leaved TF.) ; fronds lanceolate 



^^xed pinnate, pinna? ovate-cordate inciso-pinnatifid hairy beneath, 



f^wded 1 s^^^ solitary at length confluent. Tolypodium Sw. : jff. B. 



t. 2023. 



lestone I ^" Snowdon; Caernarvonshire. Ben Lawers ; near Crieff ; Glen 



Iiiffle. f ^^ ^^ Dole, Clova. — About the same size as the precedinsr, but 



eranj I distinct, we believe, though of late we have seen specimens which it 



ctinate I ^^^ h^^"^ difficult to determine. Mr, Babington unites them. 



lis and 



5. AspiDiUM Sw. Shield-fern. (Tab. IX. f. 4.) 



f I >S'on roundish, scattered. Involucre above the sori orbicular, 



or reniform. — Veins simple or forked 



Name : aGTng, a/rinSog^ a shield, wliich its involucres resemble, 



especially in the species of the first division. 



ightlj 

 ments 



stipes 



' t. d2 I * Involucre orbicular^ fixed hy the centre^ hence peltate. Aspidium Br^ 



estre, 1 Polystichum Roth {in part). (Tab. IX. f. 4. a. 6.) 



^ ' 1* A. LonShitis Sw. (rough Alpine S.) ; fronds rigid linear- 



lanceolate pinnate, pinnas lanceolate-falcate acute ciliato-ser- 



rate, the upper base acutely auricled the lower one cuneate, su- 



froni T perior pinna? bearing the fructifications, stipes chaffy. Polypod. 



July. I Z. : E. B. t. 797. : Polystichum Roth. 



' Shady clefts of rocks and under stones, on the high mountains of 



Wales and Scotland. A very handsome northern fern. 



2. A. lohdttim Sw. (close-leaved prickly S.) ; fronds oblong- 

 lanceolate bipinnate, pinnules rigid convex ovate sublunate acu- 

 minate aristate oblique and cuneate at the base and decurrent, 

 the margins faintly serrate splnulose, with a distinct tooth at 



.per- the base of the upper side, the one next the main rachis longer 



<ie^' than the rest, stipes and rachis more or less chaffy, fructifica- 



Jlr. t tions confined to the upper half of the fronds. E. B. t. 1563. 



;cieS' ^ Polystichum aculeatum Bab. — ^. lonchitidoides ; small, the pin- 



nules combined so as to form only a pinnate frond. Filix lon- 

 chitidi affinis Baii Syn ed. 3., p. 121. A. aculeatum /3 Sm. 



Moist woods, shady banks, and rocky places. 



3, A. aculeatum Sw. {soft prickly S.) ; fronds broadly lan- 

 ceolate bipinnate, pinnules subrigid somewhat convex slightly 



petioied ovate-sublunate acuminate or acute aristate obliquely 



C C 4 



t' 



