24 Proceedings of the Royal Irish Academy. 



Equisetum palustre (Linn.) — Frequent. Eemarkably large fertile 



stems in some shady places, -with spreading branches. 

 E. limomm (Linn.) — Plentiful round the shore in most places. 



Chaeace^. 



Char a frag His (Desv.), var. capiUacea (Thuil.) — By the lower lake, 

 three miles north of Enniskillen. Yar. delicatula was collected at 

 Blaney Bay. IS^amed by Mr. H. Groves. 



Nitella opaca (Ag.) — Blaney Bay and Levenish Island. 



NOTE ADDED IN PBESS 



[October, 1883.] 



The living specimens believed to be Ilieracium umhellatum have 

 flowered, and prove the species to have been correctly identified by 

 my friend Mr. A. Gr. More, to whose well-known critical eye I have 

 been so much indebted when naming doubtful species. 



