Phillips and Praeger — The Ferns of Ulster . 9 
£P. ROBERTIAHUM is reported to have been found on Oarlingford 
Mountain, Co. Louth, but this is very unlikely, and requires ample 
confirmation.] 
2. ALLOSORUS. ROCK-BRAKE. 
1. A. CRXSPUS. Parsley Pern. 
Rocky places on mountains. y er y rar0> 
Antrim.— Knocklayd and Carrickfergus Commons, David Moore. South brow 
of Slievenanee at 1500 feet, Dr. Dickie — since observed in above station 
by T. EL Corry and Rev. S. A. Brenan. 
Down.— On Slieve Bingian, Templeton, 1808— and recently, Rev. H. W. Lett 
and R. LI. P. On Shanslieve, Slieve-na-brock, and north side of Slieve 
Donard, Rev. H. W. Lett. Near the Eagle Rock, on the road from 
Hilltown to Kilkeel, Mr. Barcroft. On south side of Slieve Donard, and 
on the mountain north of Cove mountain, R. LI. P. 
Louth. — Carlingford mountain, very rare, B.N.F.C., 1878. 
Derry. — Clontygearagh mountain, David Moore. 
Donegal.— Very sparingly on Alt mountain near Ardara, H. C. Hart. 
Fermanagh. — On Cuilcagh mountain near Florencecourt, John M‘Donald. 
Very rare and scanty in the district, only isolated plants occurring 
here and there. 
3. LASTREA. 
1. Xi. THEXiTPTERXS. Marsh Pern. 
Wet places. y ery rar0 . 
Antrim. — Plentiful about Portmore Park and wood, Templeton, 1794. Banks 
of Six-mile water near Ballyclare, G. C. Hyndman and F. Whitla. 
Donegal.— By the river Erne near Ballyshannon, A. G. More. By the same 
river near Belleek, H. C. Hart. 
Tyrone.— By a small lake near Caledon Rectory, Rev. G. Armstrong. At 
Omagh and Gorteen Gap, G. H. Kinahan. 
Cavan. — Near Belturbet, David Moore. 
Donegal and Tyrone are the only counties where this fern has been recently 
found; it is very strange how it has died out at Portmore. 
