238 FLORA OF THE LAKE DISTRICT. 



Frequent throughout the district, from near shore-level in 

 Roudsey Wood and the level of Windermere at Bowness up 

 to 500 yards on Coniston Old Man, 550 yards on Haystacks, 

 800 yards on Scawfell Pike. 



1376. Poly podium Dryopteris, L. (Oak Fern). Native. 

 Scottish type. Range 1-3. In similar places to the last, 

 ascending from shore-level at Ulverstone up to 800-900 yards 

 on the precipices of the east face of Helvellyn. 



1377. Polypodium Robertianum, Hoffm. Native. Xero- 

 philous. English type. Range 1. 



C. Reported from Scale Force, Buttermere. — (Rev. R. 

 Wood.) 



W. Crevices of the limestone rocks. Abundant on Whit- 

 barrow, Hutton-Roof, Farleton Knot, Arnside Knot, and 

 other hills of that neighbourhood. 



L. In Furness on Hampsfield Fell. — (Miss Hodgson.) 



1378. Allosorus crispus, Bernh. (Parsley Fern). Native. 

 Highland type. Range 1-4. Everywhere on the slate 

 hills amongst rocks and at the foot of walls, one of the most 

 universal of the montane Lakeland plants. Ascends to 950 

 yards on Great Gable, over 1000 yards on Scawfell Pike, and 

 to the summit of Helvellyn and Skiddaw. Descends nearly 

 to the level of Ullswater on Hollin Fell and Birk Fell, and to 

 the level of the stream in the Vale of St. John, at the foot of 

 Great Dodd. 



J 379- Cystopteris fragilis, Bernh. (Bladder Fern). Native. 

 British type. Range 1-3. Frequent on the drier rocks and 

 scars, much less common amongst the slate than the limestone 

 hills. Ascends to the limestone pavement of Whitbarrow and 

 Hutton-Roof, and to 900' yards on Helvellyn. A form 

 approaching C. alpina was found on Saddleback by Mr. S. 

 F. Gray. 



