BRISTLE FERN. 



Trichomanes speciosum. — Willdenow. 

 Trichomanes hremsetum. — Brown, Smith, Gray, Francis, &c. 

 Trichomanes pyooidiferum, — Berkenhout, (?) Hudson. (?) 

 Trichomanes alatiim. — Withering. 



LOCALITIES. 



England. "j 



Wales. \ Unknown. 



Scotland.) 



Ireland . . County Wicklow, Hermitage Glen, and Powerscourt Waterfall, in both instances 

 very sparingly : at neither of these localities has more than a single plant been 

 discovered, and fronds of these I have never seen. I report the localities on the 

 authority of Mr. Mackay. County Cork, at Glendine, near Youghal, in luxuriant 

 profusion ; county Kerry, at Turk Waterfall, near Turk Lake, Killarney, also in 

 profusion. 



This is one of the most interesting and most local of our 

 British Ferns. I have introduced two localities recorded by 

 Mackay, but I have never seen a single frond from either of 



