Cystopteris.] filices. 373 



Banks, woods, thickets, &c. ; frequent. Fl. July to Oct, 



Abundant in many parts of the west and south of Ireland, 

 General in Ulster {Flor. Ulst.), and, though less frequent in 

 the eastern districts, is, no doubt, to be found in every 

 county. 



C7ST0PTEBIS Bernh. 

 1. C. fragilis (Bernh.) — Brittle Fern. 

 Districts 1 2 - 4 5? 6 7 8 9 10 11 12 

 Lat. 51°-56°. From South to North of Ireland. 

 Type in Great Britain, British, inclining to Highland. 



Eocky and stony places, especially on a limestone soil; 

 local. Fl. July to October. 



1 and 2. On the mountains of Kerry and Tipperary, but 

 very rare in Cork ; /. C. — 4. Near Maulin mountain, "Wick- 

 low ; Mr. W. Archer. — 5 ? On the Dublin mountains, near 

 Tallaght hill ; Wade Bar. (not* found there recently). — 6. 

 Abundant on the limestone in Burren and in part of Galway; 

 A. G. M. — 7. Near Ballymore, Westmeath; Mr. F. J. Foot. — 

 8. Connemara ; Moore Nat. Pr. — 9. Frequent in this district, 

 especially about Ben Bulben ; D. M. — 10. Dart mountain, 

 Tyrone ; Admiral Jones. AnketeU Grove, Monaghan ; Miss 

 Maffett. — 12. Local in Ulster, but occurs in several places 

 in Derry and Antrim ; D. M. 



Var. $ dentata (C. dentata, Smith), 



1. Top of Brandon, Kerry; Bev. W. M. Hind. — 9. On 

 Ben Bulben, a 1200 feet; Fhr. UM.—IO.? In Roscommon; 

 Mr. F. J. Foot.— 11. In Donegal; Flor. Ulst.— 12. Wood- 

 burn Glen, near Carrickf ergus ; Flor. Ulst. 



The variety dentata occurs principally in mountainous 

 situations, and is less frequent than the normal form. A 

 plant resembling C. Bichieana (Sim) was found by Mr. P. 

 M'Ardle on the coast near Dunganstown, Wicklow. 



ATHYBIUM Roth. 

 1. A. Pilix-foBmina (Roth.) — Lady Fern. 

 Asplmium Filix-fcemina (Bernh.), Brit, Flor, 

 District 123456789 10 11 12 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, British, 



