CRYPTOGAMIA FILICES. 653 



barren, the central ones annual and fertile. The 

 fegments, or pinn^, are numerous, lanceolate 

 and entire, curved a little upwards, longefl in 

 the middle of the leaf, and ihorter by degrees 

 towards the top and the bafe. The floral leaves 

 are ere<5l and long, the middle rib of a dark red, 

 the pintjip much narrower ; all of them fertile, 

 and the ffudifications difpofed on the under 

 fides, in two longitudinal parallel lines, at firft 

 of a yellow colour, but brown when ripe, and 

 then covering the whole difk. 



(Ti/pa 4. OSMUNDA frondibus fupradecompofitis, pinnis 

 alternis fubrotundis Incifis. Sp. pi. 1522. (PM. 

 /. 3./. 2. Moris, biji. 3. p. 592- /- U- ^- 4-/- 4- 

 Oed. Dan. t. 496; 



Crifped Fern. Parficy Fern. AngUs. 



Amongft the rocks • and ftones upon the highland 

 mountains. Mr. Stuart. We obferved it upon 

 the top of Ben-na-Caillicby in the parilh of Chrijl- 

 Church, in the iQc of Skye. v.. VIlI. 



The exterior leaves are barren, fmooth, and trebly 

 pinnate ; the extreme pinnuU of an obtufe rhom- 

 boidal figure, plain, and dented on the edges. 

 The central ones are fertile, trebly pinnate, the 

 exterior pinnuU oval, convex, pedunculate, their 

 edges contracted, and the under fides covered 

 with yellow duft-like fru(5tifications. 



ACROS. 



