Phillips and Praeger — The Ferns of Ulster. 19 



5. A. RUTA-MURARIA. Wall Rue. 



Old walls, and very rarely on rocks. Very generally distributed. Luxu- 

 riantly on limestone cliffs in Co. Cavan ; a few plants on basalt at Fair 

 Head; R. LI. P. The latter is the only case in which we have known 

 this species to grow on anything but lime. Ascends to 1,800 feet on the 

 Ben Bulben range, T. H. Corry. 



7. SOOLOPENDR1UM. 



1. S. VUX.GARE. Hart's tongue. 



Woods, shady banks, and old walls. Very general. Rare about Warren- 

 point and Rostrevor, R. LI. P. 

 cornutum. Dundonald, Oo. Down, R. LI. P. 

 crenatum. Castlerock, Oo. Derry, R. LI. P. 

 crlspum. Castleton, Co. Fermanagh, Rev. W. D. Pounden. Strabane Glen, 



Co. Tyrone, W. H. P. A rare and beautiful variety. 

 cristatum. Craigdarragh, Oo. Down, Mrs. Munster, and later, R. LI. P. 

 inaequale. Clandeboye, Co. Down, R. LI. P. 

 involvens. Grey Point, Co. Down, R. LI. P. 

 marginatum. Grey Point, Co. Down, R. LI. P. 

 marginato-cornutum. Grey Point, Co. Down, R. LI. P. A curious dwarf 



form, about three inches high. Leafy portion of frond almost absent. 

 multifidum. Colin Glen and Redhall, Co. Antrim, W. H. P. Glenarm and 



Woodburn, Co. Antrim ; Dundonald, Co. Down ; and Castlerock, Co. 



Derry, R. LI. P. 

 murlcatum. Glendevis, Co. Antrim ; and Belleek, Co. Donegal, W. H. P. 

 peraferens. Colin Glen, Co. Antrim, W. H. P. 

 peraferens variegatum. Colin Glen, Co. Antrim, W. H. P. 

 polycuspis. Co. Fermanagh, T. Plunket. Glencraig, Co. Down, R. LI. P. 

 ramosum. Castlereagh, Co. Down, and Castle Dobbs, Co. Antrim, W. H. P. 



Castlerock, Co. Derry, in a sea-cave, R. LI. P. 

 revolvens. Castlecoole, Co. Fermanagh, W. H. P. 

 supralineatum. Marble Arch, Co. Fermanagh, and Knocknarea, Co. Sligo, 



W. H. P. 

 undulosum multifidum. Redhall, Co. Antrim, R. LI. P. 

 variegatum Phillipsii (T. Moore). Colin Glen, Co. Antrim, W. H. P. 



One of the handsomest new varieties which our district has yielded, the 



fronds having a white margin. 



