CRYPTOGAMIA FILICES. 667 



POLYPODIUM. Gen. pi. 1 1 79. 



Fru£lificaUones in pundis fubrotundis, fparfis per 



difcum frondis. 



* Fronde pinnatifida, lobis coadunatis. 



I. POLYPODIUM frondibus pinnuifidis, pinnis ob- 

 longis fubferratis obtufjs, radice fquamata. Sp. 

 pi. 1544, {Ger, em. 1132./. i. 2. Moris, hi/l.f. 14^ 

 /. 2./, I. Grdinisjuperioris. ElackwcU t. 215.) 



Common Polypody, Jn^lis, 



In the clefts of rocks, on old walls and houfes, and 

 on the trunks of decay'd trees. U. 



Ths root is covered with fufccus fcales-, the fibres 

 with a dark ferruginous down •, the leaves vary, 

 froin fix to twelve inches in length, and are pin- 

 natifid, or only once pinnated, and that not 

 clofe to the middle rib, for the phin^e or lubes 

 arc united at the bale, and are of a lanceolate 

 form, but obtufe at the end, either entire on the 

 edges, or flightly ferrattd, from half an inch to 

 ah inch and a half long. The fruclifications are 

 difpofed in two rows of large circular dors, 

 ^ placed one on each fide near the middle nerve 

 of the pinnule. The capfulcs are nearly globu- 

 lar, and furrounded v;ith a ring, at lirft pale^ 

 then orange-colour'd, and fufcous when ripe. 

 The lowermoft pinnules are frequently barren^ 

 from three to eight pairs. 

 |?» There are two varieties of this plant i the firft has 

 fei rated pinnules, mentioned by i^^y in hiS *!)>- 



fJOpS., 



