448 Proceedings of the Royal Irinh Academy. 



aneroid, both, this year and last, I will append a list of elevations, 

 ^"^here no observation occurs after the name of a species, it may be con- 

 cluded that the plant is frequent, and descends to low levels from the 

 height quoted ; otherwise I have endeavoured to observe both upper 

 and lower limits. 



SlIEVE LeAGtTJE. 



Summit, 1970 to 1950. 



Calluna vulgaris. 



Erica cinei'ea. 



Empetrum nigrum. Descending to sea-level. 



Salix herbacea. Descending to 1500 feet on the north side. 



Juncus squarrosus. 



Luzula sylvatica. 



Carex rigida. Descending to 1400 feet, north-east face. 



C binervis. 



1900 feet. 



Arctostaphylos uva-ursi. Looking soutb from just below tbe sum- 

 mit to sea-level. 

 Yaccinum vitis-idsea. North-end of summit ; descending to 1400 feet. 



1850 to 1800 feet. 



Saxifraga oppositifolia. Descending to 800 feet on sea cliffs looking 

 nortb-west, and to 400 feet by the stream out of Croleavy 

 Lough, and the same beight on sea-face of Leahan. 



Vaccinum myrtillus. 



Scirpus coespitosa. 



Polystichum lonchitis. Descending to 1470 feet on tbe northern side.. 



Asplenium dilatatum. 



1800 to 1750 feet. 



Potentilla tormentilla. 



Galium saxatile. 



Scabiosa succisa. 



Antennaria dioica. Descends to sea-level. 



Euphrasia officinalis. 



Thymus serpyllum. 



Carex pilulifera. 



Eestuca duriuscula. 



Lastrea filix-mas. 



Lycopodium alpinum. North shoulder of summit ; not found lower 



down. 

 Selaginella spinulosa. Descends to sea-level. 



