INTEODTJCTION. Ixy 



ous otter points, to 2000 feet and up-wards. The -western stores of 

 Lougt Corrib and Lougt Mask belong to ttis district. Smaller 

 lakes and lakelets are frec[uent all over tte surface, and become well- 

 nigt innumerable ia Connemara and lar Connaugtt. O^wing to tte 

 great extent of unreclaimed mountain and bog, tte flora is prepon- 

 derantly native. Many of tte most interesting Inst plants occur 

 in profusion, especially tte teaths, I!rica mediterranea and Babeocia 

 poUfolia, -wtict are nowtere found in Great Britain, and react tere 

 tteir extreme norttem limit for Europe, and Uriocaulon septangular e, 

 known elsewtere in Europe only in tte Scotct islands of Skye and 

 Coll. No less ttan 26 Higtland type plants are fotind in tte district 

 with 8 Hieraoia, and 4 peculiar plants. 



Characterutie or Rare Plants. 



Thalictrum alpinum. Saxifraga umbrosa. Naiaa flexOis. 



Draba incana. Asperula cynanchioa. Erioeaulon septangulare. 



Siibularia aquatica. Sauasurea alpina. Ehynchospora fasca. 



Helianthemum guttatum. Arctostaphylos Uva-ursi. Carex aquatilis. 



Sagina subulata. Eriea Mackaii. Deschampsia diseokr. 



Elatine bexandra. ]S. mediterranea. Aspidium Lonohitis. 



Vicia Orobus. Dabeocia polifolia. Lyoopodium inundatum. 



Bryas ootopetala. Gentiana verna. L. alpinum. 



Potentilla frutieosa. Euphorbia Kiberna. Isoetes echinospora. 



Poterium officinale. Potamogeton Kirkii. Pilularia globulifera. 



Saxifraga oppositifolia. Zostera nana. AdiantumCapillus- Veneris. 



DISTKICT IX. SrOETH CONNATTGHT. 



East Mayo, Sligo, Leitrim, Roscommon.' 

 Area, 3086 sq. miles — Flora, 697 species and sub-species. 



Maritime. Tte most striking ptysical feature is tte great cliff- 

 scarped plateau of Ben Bulben inSligo and Leitrim, wtere tte Hme- 

 stone reactes to upwards of 2000 feet, a teigtt to wtict ttis formation 

 approactes nowtere else in Ireland. Tte ctief summits in ttis 

 plateau are Truskmore, 2143 feet; Annacoona, 1963 feet; and Ben 

 Bulben proper, 1722 feet. In tte extreme west, tte Ox mountains, 

 of primitive formation, react to 1778 feet in Knockactree. Lakes 

 are numerous. Tte west stores of Lougt Eee belong to tte dis- 

 trict ; also Lougts Allen and Bofin on tte upper Stannon, and 

 Lougts Gill, Melvin, Arrow, and Gara in SUgo. No less ttan 28 

 HigUand type plants, out of a total of 41 for all Irelaad, occur in 



