90 Proceedings of the Royal Irish Academy. 



Haxokagace^. 



Myriophyllum alterniflorum (D. C.) — In the lakes and drains abund- 

 antly. 

 Hippuris vulgaris (Linn.) — Marshes to the north-west; frequent. 



PoETTJLACE^. 



Montia fontana (Linn.) — Abundant; the varieties minor and rivulare 

 are equally common. 



Ceassulace^. 



Sedum rhodiola (D. C.) — Very fine on perpendicular cliffs at the 



north-west. 

 S. anglicum (Huds.) — Abundant over the island. 

 S. acre (Linn.) — Abundant on cliffs between Church Bay and TJshet 



Point. 



Saxieuagace^. 



Chrysosplenium oppositifolium (Linn.) — Eare. 



Parnassia palustris (Linn.) — On cliffs west of the lighthouse ; rare. 



Umbeilieer^. 

 Hydrocotyle vulgaris (Linn.) — Common in marshes. 

 Helosciadium nodiflorum (Koch.) — Rare, 

 -^gopodium podagraria (Linn.) — Pare. I only met with this, usually 



common, species near the residence of Mr. Gage. 

 Bunium flexuosum (With.) — Plentiful in one field, rare elsewhere. 

 (Enanthe crocata (Linn.) — Sides of streams and drains ; frequent. 

 Angelica sylvestris (Linn.) — On cliffs by the shore, and in wet rocky 



places; frequent. 

 Heracleum sphondylium (Linn.) — Common. 

 Daucus carota (Linn.) — Everywhere abundant. 

 Torilis anthriscus (Gaert.) — Common. 

 Conium maculatum (Linn.) — The hemlock is the most abundant of the 



Pathlin Umbelliferse, and seems to entirely replace Anthriscus 



sylvestris, which I did not see anywhere. 

 Smyrnium olusatrum (Linn.) — Rocks near Ushet ; rare. 



Hederace^. 

 Hedera helix (Linn.) — Frequent on the rocks. 



CAPEIFOLIACEiE. 



Sambucus nigra (Linn.) — Rare, and only about houses ; probably not 



nativ3. 

 Lonicera periclymanum (Linn.) — Rocks at Kenramer ; rare. 



Rttbiace.^. 

 Sherrardia arvensis (Linn.) — Cultivated fields, and on rocks ; not 



