\ 



564 



Proceedings of tite Roijal Irish Academy. 



PlAJS'TS in AeAN not FOTJIfD IN 

 BOFIN. 



Plants in Bofin not poitnd dt 

 Aean. 



Cyperacece. 



[Scii-pus laeustris], 

 S. setaceus. 

 S. maritimus. 



[Carex yulpina]. 



lihynchospora alha. 



Eleocharis palustris. 



E. multicaulis. 



Scirp'S Jiuitans. 



Eriophorum angustifolium. 



Carex pulicaris. 



C. stellulata. 



C. extensa. 



C. binervis. 



C. panicea. 



C. prtecox. 



C. ampullacea. 



Graminece. 



X Phleum pratense. 

 P. arenarium. 

 Alopeeurus geniculafrus. 

 Sesleria ccerulea. 

 [Aira ca;spitosa]. 

 SclerocKloa maritima. 

 S. rigida. 



CeteracJi offidnnrwn. 

 Polysticlium angulare. 

 Aspleniiim tricliomanes. 

 Scolopendrium vulgare. 

 A-diantum capillus- Veneris. 



Aira fiexuom. 

 \ Arena fatua (col.) 



Iriodia deeumbens. 



Koeleria eristata. 



Poa trivialis. 



Festuca sciuroides. 



F. elatior. 

 \ Lolium temulentum (col.) 



Nardus stricta. 



Filices. 



Lastrsea filix-mas. 

 L. cpmula. 



Athyrium Jilix-fcemina. 

 Osinunda regalis. 



Lycopodiacem. 



I Isoetes echinosjyora. 



Uquisetacem. 



Equisetum hyemale ? 



Equisetum arvense. 

 E. limosum. 



This gives 161 plants peculiar to Aran; 92 to Bofin; but if we 

 deduct the naturalized plants on both sides, we have about 120 for 

 Aran, and 80 for Bofin. 



From the above it will be easily seen that each formation has its 

 own peculiar plants. Aran, which consists solely of carboniferous 

 limestone, shows in a remarkable degree both the predominance of 



