538 Proceedings of the Royal Irish Academy. 



Chrysanthemum seyetum (Linn.) — Cavan and Fermanagh. Common 

 in cultivated ground. 



Antennaria dioica (Gaert.) — Cavan and Fermanagh. Grassy spots, 

 Knockmore, Carrick, &c. 



Senecio vulyaris (Linn.) — Common everywhere. 



S. sylvaticus (Linn.) — JN'ear Florence Court, Co. Fermanagh. 



S. Jacolcea (Linn.) — Common everywhere. 



S. aquatims (Huds.) — Cavan and Fermanagh. Frequent. 



Arctium nemorosum (Lej.) — On limestone rocks at Enockmore, Co. 

 Fermanagh. Professor Babington, who kindly diagnosed my 

 specimen, confirms the name. 



Centaurea niyra (Linn.)— Common in Cavan and Fermanagh. 



Carduus lanceolatus (Linn.) — Common everywhere. 



C. -arvensis (Curt.) — Cavan and Fermanagh ; but less common than I 

 have usually found it elsewhere. 



C. palustris (Linn.) — Cavan and Fermanagh. Common. 



C. pratensis (Huds.) — Cavan and Fermanagh. Frequent in damp 

 pastures and meadows. 



Lapsana communis (Linn.) — Cavan and Fermanagh. Common. 



Sypocharis radicata (Linn.) — Roadsides and waste places. Common 

 everywhere. 



Aparyia autmnnalis (Willd.) — Carrick, Drumbad, &c. Frequent in 

 Cavan and Fermanagh. 



Leontodon taraxicum (Linn.) — Cavan and Fermanagh. Common every- 

 where. 



Sonchus oleraceus (Linn.) — Cavan and Fermanagh. Roadsides and 

 banks. 



S. arvensis (Linn.) — Cavan and Fermanagh. Cultivated fields. 



Crepis paludosa (Moench.) — Very common in Cavan and Fermanagh. 

 It seems to replace C. virens, which I did not see. 



Hieracium pilosella (Linn.) — Cavan and Fermanagh. Common. 



S. anglicum (Fries.) — Cavan and Fermanagh. It occurs plenti- 

 fully on limestone cliffs at Knockmore, and is found in more or 

 less abundance at Carrick, Drumbad, Tents Mountain, and Cuil- 



'' ceagh. 



R. cinerascens (Jord.) = S. lasiophyllum (Bab.) — Knockmore, Carrick 

 and Badmore, Co. Fermanagh, but only in very small quantity. 

 By the kindness of Mr. Backhouse, who examined my specimens 

 of this and the preceding species, I am enabled to publish these 

 names with certainty. 



Campanitlace^. 

 Campanula rotundifolia (Linn.) — Cavan and Fermanagh. Frequent. 



EEICACEiE. 



Calluna vulgaris (Salisb.) — Common on the hills. 

 Erica tetralix (Linn.) — Common on heaths. 



