*^»* 



CRYPTOGAMIA FILICES. ^69 



Kough Polypcxly. Splecn'.vort-PolypoJy. yinglis. 

 Ax. the foot of the rocks among the highland 

 mountains, but not very frequent. We ga- 

 thered it in plenty at Cre^-a-chnocaeny the boun- 

 dary of Coygacb and /IJJ'ynt, on the borders of 

 Sutherland^ near the weftern coaft. Mr. Stuart 

 obferved it among the mountains of Breadalbaue^ 

 and Sibbald in Kinneil-Bank. % • 

 The leaves vary from three to eight inches in 

 length, and are ftiff and rigid. The ftalk and 

 31i-!S.ii i. !•: ;. middle rib are covered with brown filmy ff'ales. 

 The pinna arc fupported on very fhort but viH- 

 ble footftalks, their upper edge flightly curved 

 '■'' • in a concave arch, the lower edge in a convex 

 ->)>> vc 'JM! Qne^ edged with ferrated fpinulcs, Th^ pinn<t 

 are truncated at the bafe, their upper angle is 

 -'-' elevated, but the lower one as it were refcinded, 



■km? c: V and deftitute of fpinules. The fruftifications 

 ':.'i L . grow in two feries of circular dots, upon ten or 



-li;» ■;■ . .' twelve pairs of the uppermoft pinnae; but the 

 ' ii o: ' Jovvermoft, which are about as many more, are 

 ;ct iV:-^' ■ barren. The fcale, or involucrmn^ which cover:-, 

 !..'.»: rii.' ., each dot, is peltated. The caplules are globu- 

 r.;:;.: ilr. lar, fupported each on a footrtalk, and contain- 

 -:::■ 1,: r ing ^ach a fingle feed, according to Gleditfch. 



*** Fronde fuhbipinnata. 



pbegopteris POLYPODIUM frondibus fubbipinnatis, foliolis 



*• infimis reflexis, paribus pinnula quadrangulari 



•*■; ' ■'> ■ . coadunatis. Sp. pi, i^^c^o. (Mor:s- hijl. $.p.5'jS' 



' ---■ j: 14. 



