141 
POLYPODIUM. 
1374. P. vulgare, Linn. Native. British. 
Ctenopteris, Newm. (B. F. 3.) 
1375. P. Phegopteris, Linn. Native. Scottish. 
Et seq. Gymnocarpium, Newm. 
1376. P. Dryopteris, Linn. Native. Scottish. 
1377. P. calcaeeum, Smith. Native. Uncertain. 
G. Robertianum, Newm. With the preceding species on Ingle- 
borough — W. Brunton, W. Wilson. Clapham, near Settle — B. 
Clapham. Plentiful on Anston rocks — J. Hardy (Phyt. i. 450). 
ALLOSORUS. 
1378. A. cbispus, Bernh. Native. Highland. 
Eteris , Flora , 126. 
CYSTOPTERIS. 
1379. 0. feagilis, Bernh. Native. British. 
Cystea fragilis, dentata, angustata, and regia, Flora , 124. A very 
variable species, if a single species only. Nearly all the described 
forms may be found within the limits of the county. 
ASPIDIUM. 
1382. A. Lonchitis, Swartz. Native. Highland. 
Et seq. Polystichum, Roth. The Falcon Clints station is on the 
Durham side of the Tees. Near Malham — W. Wilson (Phyt. i. 
451). On Moughton, near Austwick — R. Clapham. 
1383. A. ACULEATUM, Swartz. Native. British. 
Woods, hedgebanks, and rocky places; frequent. A. lobatum, 
Flora, 124, is a variety of this species. 
1384. A. angulare, Smith. Native. English. 
In similar situations ; not uncommon. 
LASTREA. 
1385. L. Thelypteris, Presl. Native. English. 
Et seq. Aspidium, Flora, 123, 124. Hemestheum, Newm. 
1386. L. Oreopteris, Presl. Native. British. 
L. montana, Newm. 
1387. L. cristata, Presl. Incognit. 
Lophodium Callipteris, Neivm. It is needful that the occurrence 
of this species should be confirmed. 
