74 Proceedings of the Royal Irish Academy. 



himself added to the list Salix herhacea and Carex rigida. The few 

 mountain plants not marked in his list, recorded by other botanists on 

 Ben Bulben, are : — 



Drapa rupestris. Thalictrum alpinum. 



Saxifraga oppositifolia. Alchemilla alpina. 



Lycopodium alpinum. 



Respecting the last two, it may be well to mention that there is 

 some doubt whether a form of Thalictrum minus may not have been 

 mistaken for T. al])inum. The Alchemilla alpina recorded by Mackay 

 proves to be A. conjuncta, and grows in a suspicious situation, where 

 it cannot be considered native. 



In the following List, the word ''top," when accompanied by the 

 capital letter B, is to be understood as referring to the top of Ben Bulben 

 (1721 feet). And though some may not have occurred on the actual 

 summit, none probably were gathered lower than 1600 to 1700 feet. 

 All the heights exceeding this are, in Mr. Corry's list, accompanied by a 

 capital letter "W, and appear to have been taken on Ben Weisken only. 

 The Alpine species are printed in italics, and the names of the plants 

 are arranged in a descending series. 



List of Species and Heights. 



Species. Hei&hts. 



Oxalis acetosella, W. top, 1900, B. top. 



Primula vulgaris, "W. top, 1900, B. top. 



Viola sylvatica, W. top, B. top. 



Alchemilla vulgaris, 1900 and B. top, 1100. 



Potentilla tormentilla, .... 1900 and B. top, 650. 



Pin guicula vulgaris, 1900 and B. top, 1100. 



Empetrum nigrum, 1900 and B. top, 650. 



Sedimi rhocliola, 1900 and B. top, 1175, 1150. 



Chrysoplenium oppositifoKa, . . 1850 and B. top. 



Linum catharticum, 1850 and B. top. 



Galium saxatile, 1850 and B. top, 1175. 



Veronica serpyllifolia, .... 1850 and B, top. 



Eriophorum vaginatum, . . . . 1850 and B. top. 



Asplenium viride, 1850 and B. top, 1200, 1000, 900, 



100. 



Cystopteris fragilis, 1850 and B. top, 1200, 1000. 



Lycopodium selago, 1850 and B. top. 



Aralis petrcea, 1850. 



Lrala incana, 1850 and B. top, 1500, 1100, 900, 



1300, also at sea level on sand 



hills. 



Arenaria ciliata, 1850, 1400. 



Lotus corniculatus, 1850, 1200. 



Saxifraga nivalis, 1850 (7 plants only). 



S. hypnoides, 1850, 600. 



