254 OF TREES AND PLANTS. 



whitifh-grecn. The branches are thin fet, the fhorteft about an 

 inch long, the middle ones larger, producing but few pinnules, 

 and fparingly, not more than nine. The largeft have three fer- 

 ratures, the reft only one. The fructifications are round, about 

 five together. 



There is a variety of it in the nffiires of the moifter rocks of a 



more firm texture (Ij, owing chiefly to its fituatioru 

 kfd 'yjtul i " * : ' 



188. The leajl Stone-Fern (m) is on the eaft fide of a large rock 

 in the brook oppofite to Tecket, fparingly. It is from an inch to 

 two inches long, rarely more. The folioles are fhorter and lefs 

 than thofe of the Trichomanes. I have obferved it in a fiflure of 

 the fame rock with the faffron-ycllow ByJJus, and the fmall fringed 

 Lichen^ rifing through the middle of them. It dies down to the 

 root on the approach of winter, commonly before October. Its 

 fmallnefs often makes it overlooked and unobferved. 



_ 

 189. Thejfotf cut Stone-Fern*, *with flender brittle Jlalks (n), is not 



unfrequent about alpine-rocks. I have obferved it among fome 

 of thofe at Tecket ; alfo at Little PFaneyhoufe-cra,g, near Sivethope- 

 lake. The ftalks, in general, are half a foot high. The branches 

 are fparingly difpofed. The pinnules are lobated and ferrated. 



(I) Adianthum filkinum durius crifpum minimum. Barrel. Ic. 432. n. i. Iconbona. 



(m) Filix faxatilis omnium minima elegantiffima. Pluknet. t. 89. f. 3. lean eerie rejpcndet. 

 RAJ. Hift. iii. p. 78. 



(n) Adianthum album folio filicis. /. B. iii. p. 739. omnino. Filix faxatilis cauliculo 

 tenui fragili. Pluknet. t. 180. f. 5. Raj. Syn. iii. p. 125. Adianthum filicinum aquaticum 

 mollius minimum. Barrel. Icon. 432. n. 2. Polypodium fronde duplicate pinnata, pinnis 

 remotis, foliolis fubrotundis incifis. Linn. Flo. Lapp. n. 384. Flo, Suec. n. 849. Royen, 

 lugdb.-p. 500. Hall. Helv. p. 140. 



The 



