52 



The Naturalist. 



EQUISETACE^. 

 JEquisetum Telmateia, Ehrh. Common in both counties. 

 E. arvense^ L. Abundant in both counties. 

 E. limosum, L. Common in both counties. 

 E. palustre, L. Do. do. 



FILICES- 



OpMoglossum vulgatnm, L. (C) Abundant in Penrhyn Park, Bangor, 



also near Fredd carw, Bangor. 

 Botrychium Lunaria, Sw. (C) Moelci, near Bangor, &c. 

 Osmunda regalis, L. (A) Near the Keservoir, Holyhead mountain, &c. 

 Folypodium vulgare. Abundant in both counties. 

 P. Phegopteris. (C) Common on the Snowdonian range. 

 P. Dryopteris. Do. do. 



Allosurus crispus, Bernh. Abundant in both counties. 

 Aspidium LoncJiitis, Sw. (C) Along the Snowdonian range, rare. 

 A. aculeatum, L. Frequent in both counties. 



NepJirodium Thelypteris, Sw. On the margin at the south side of 



Llwydiart Lake, Anglesea, plentifully, 

 N, OreopteriSj Sw. Frequent on the Snowdonian range. 

 N. Filix-mas. Abundant in both counties. 

 N. cristatum. (C) Not uncommon. 

 N. spinulosmn, Desv. Common in both counties. 

 N. dilatatum, Desv. Do. do, 



Athyrium Filix-foemina, Bernh. do. 



Asplenium marinum, L. (A) Between Towyn Capel and South Stack, 

 Holyhead, plentifully ; also PufBn Island, &c. (C) Great Orms- 

 head, &c. 



A. Tricliomanes, L. Abundant in both counties. 

 A. viride. (C) Frequent in Cwm Idwal and Twll du, &c. 

 A. adiantmn-mgrum, L. Abundant in both counties. 

 A. Ruta-muraria, L. Do. do. 



A. septentrionale, Hoffm. (C) Near Llanrwst, rare. 

 Scolopendrium vulgare, Sm. Common in both counties. 

 Ceterach officimrum, Willd. (C) On walls at Yaynol, also Coedmor, 

 Bangor, &c. 



BlecJinum spicant, Both. Common in both counties. 



Pteris aquilina, L. Do. do. 



Cystopteris fragilis, Bernh. Common on the Snowdonian range. 



Symenopliyllum tunhridgense, L. (C) Twll du, &c. 



H. Wilsoni. (C) Nant Francon, Cwm Idwal, &c., plentifully. 



