446 FILICES. \_Asphnium^ 



6. A. Ruta-muraria Linn. — Wall Rue. 

 Districts I. II. III. IV. V. VI. VII. VIII. IX. X. XI. XII. 



Lat. 51^°-55i°. Througtout Ireland. Type, Britisli. 



Old walls and on rocks ; common. Frt. July-October. 



Sea-level in Antrim and S. Cork. To 1150 ft. in Derry {Sort) ;. 

 to 1460 ft. on Ben Bnlben {B. Sj- V.). 



ATHTRIUM Eoti. 

 1. A. Filix-fcEmina Eott — La&y Fern. 

 Asplemum Filix-fcemina Bernli. 

 Districts I. II. III. IV. V. VI. VII. VIII. IX. X. XI. XII. 



Lat. 51^°-56i°. Tkrougtout Ireland. Type, Britisli. 



On moors, by streams, in wet places, &o. ; common. Frt. July- 

 September. Calcifuge A. 



Sea-level in Derry and Cork. To 1600 ft. in Donegal {Sort);. 

 to 2449 ft. in Down {S. 8f P.) ; and to 2650 ft. in Kerry {Hart). ■ 



CETEEACH WiUd. 

 1. C. officinarum Willd. — Scaly Fern. 

 Asplenium Geteraeh Linn. 

 Districts I. II. III. IV. V. VI. VII. VIII. IX. X. XL XII. 



Lat. 61^°-55°. Throughout Ireland. Type, English. 



On rocks and old walls ; frequent and locally abundant. Frt^ 

 July-October. Calcicole B. 



Sea-level to 600 ft. in Dublin, and sea-level to 1000 ft. in Clare 

 (iV. C). 



Far more abundant on limestone in the West than elsewhere ; 

 quite rare in the extreme North. The Var. ceenaitjm Milde 

 appears to be the prevailing form in the Midlands and in the "West 

 and North. 



SCOLOPENDEIUM Smith. 



1. S. vnlgare ^vcAihSarfs-tongue. 



Silernice Cpeaifi muice pia& {Cray mioUfeea), Wild Pig's Garlic. 



Districts I. II. III. IV. V. VI. VII. VIII. IX. X. XL XII. 



Lat. 61^°-55i°. Throughout Ireland. Type, British-English. 



Banks, rooks, and damp shady places ; common. Fhi. July-Oot. 



