694 



Proceedings of the Royal Irish Academy. 



mahon, exceed half a mile from the shore of the lake. All the plants 

 were collected between the lake level, 122 feet and 250 feet, or within 

 a vertical range of 128 feet. 



The following is a list of those species observed which do not 

 belong to AYatson's British or English types, and are arranged after 

 his " Campendium of the Cybele Britannica " : — 



Scottish : — 



Drosera anglica. 

 Lamium intermedium. 

 Potamogeton filiformis. 



ScottishSighland : — 

 Eubus saxatilis. 



Scottish-British : — 

 Thalictrum minus. 

 Parnassia palustris. 

 Gnaphalium dioicum. 

 Pinguicula vulgaris. 

 Carex filiformis. 



British- Scottish : — 

 Geum rivale. 

 Comarum palustre. 

 Habenaria viridis. 

 Scirpus csespitosus. 

 Eriophorum vaginatum, 

 Botrychium lunaria. 



I?ifermediate- Scottish : — 

 Andi'omeda polifolia. 



Sighland : — 

 Galium boreale. 

 Selaginella selaginoides. 

 Isoetes lacustris. 



British- Highland : — 

 Lycopodium selago. 



Highland-Intermediate : — 

 IsTone. 



English- Germanic : — 



Panunculus circinatus. 

 Slum latifolium. 

 ffinanthe phellandrium. 

 ^'ll^epeta cataria. 

 Orchis pyi'amidalis. 

 Ophrys apifera. 



Germanic-Miglish : — 

 Teucrium scordium. 



Germanic : — 

 Crepis taraxacifolia. 



Atlantic-British : — 



Hypericum androsaemum. 



Atlantic-English : — 

 Cotyledon umbilicus. 



Two visits were made. On the first occasion, from the 24th to the 

 28th of June, 1885, Athlone was headquarters. A boat was hired, 

 and a man familiar with the lake accompanied us. By this means the 

 islands at the south end, as well as the shore on either side, were 

 examined, returning each night to Athlone. Leaving for the northern 

 end of the lough, and being unable to get lodgings for the night, we 

 selected a sheltered spot (m the shore, where a tire was lighted, and 



