284 CRYPTOGAMIA— FILICES. Aspidium. 



Filix pumila saxatilis prima. Clus. Hist. v. 2. 212./. Pann. 704./. 



On mountainous heaths, or in woods, on a limestone soil. 



About Matlock bath, Derbyshire, in broken rocky ground. 



Perennial. July. 



Root creeping, but stouter and less extended than in the prece- 

 ding species. Frond more firm and rigid ; its stalk more scaly 

 about the lower part. All the three branches upright, smaller than 

 the last, rigid, and not loosely spreading. Masses of capsules 

 more crowded, finally in some degree confluent, and of a 

 browner hue. 



464. ASPIDIUM. Shield-fern. 



Swartz in Schrad. Journ.for 1 800. v. 2. 29. Syn. Fil. 42. Willd. 

 Sp.Pl.v.5.2\\. Fl. Br. I \ 18. Spreng. Crypt. f. 22. 



Filix. Tourn.t.SW, 312, 



Lonchitis. Tourn. t. 314. . . 



Nat. Ord. see n. 463. 



Masses of capsules orbicular, convex, scattered over the 

 back of the frond, in rows, between the midrib of each 

 lobe and the margin. Capsules very numerous, globose, 

 on capillary stalks; each of 1 cell and 2 equal, hemi- 

 spherical valves, bound together by a transverse jointed 

 ring, which finally separates them by its elasticity when 

 dry. Seeds numerous, roundish, very minute. Cover 

 membranous, orbicular, or kidney-shaped, with a lateral 

 cleft, simple, fixed in the centre of each mass, often 

 peltate, and separating all round, permanent. 



Habit like the last genus. Species much more numerous. 

 Fronds in some evergreen ; in most deciduous. 



* Frond simply pinnate. 

 1. A. Lonchitis. Rough Alpine Shield-fern. 



Frond linear-lanceolate, simply pinnate ; leaflets crescent- 

 shaped, declining, bristly-serrated. Stalks scaly. 



A. Lonchitis. Sw. Syn. Fil. 43. Willd. Sp. PL v. 5. 224. Fl. Br. 



1118. Hook. Scot. p. 2. 153. 

 Polypodium Lonchitis. Linn. Sp.Pl.\548. Engl. Bot.v. 12. t.797. 



Bolt. Fil. 34. t. 1 9. Fl. Dan. t. 497. 

 P. n. 1711. Hall. Hist. V. 3. \6. 

 Polystichum Lonchitis. Roth. Germ. v. 3. 71. 

 Lonchitis aspera major. i?flii%w. 118. Ger. Em. 1140./. Matth. 



Valgr.v.2.273.f. Catner. Epit. 664. f. Moris, v. 3. 566. sect. 14. 



t.2.f.\. 

 L. mas, seu latifolia, aspera minor. Barrel. Ic. /. 1 121. 



