Proceedings of the Royal Irish Academy. 
Cephalanthera ensi/oUa : south, west, and nortli of Ireland. 
Orchis pyramidalis : chiefly midland, but found in extreme north 
and south on seaside sandhills. 
0. morio : south-east, east, and middle. 
Ophrys apifera : southern half of Ireland. 
Iris fcetidissima : east (on the median line) ; possibly not native. 
Allium vineale : south to east, with a couple of outlying stations- 
on the north-east, and one in Donegal. 
Colchicum autuninale : south-east and middle. 
Hydrocharis morsus-rancB : middle and north-east ; aquatic. 
Sagittaria sagittifolia : middle and north-east ; aquatic. 
Butomus utnhellatus : southern half and north-east ; aquatic. 
Fotamogeton pectinatus and P. gramineus: commonest in th& 
south, but found in extreme north ; aquatic. 
Zostera nana : east and perhaps north ; marine. 
Arum maculatum: rare northwards, but follows limestone. 
Lemna trisulca : not found in Donegal, and chiefly in east;. 
aquatic. 
L. polyrrhi%a : middle of Ireland ; aquatic. 
Z. gibha : middle and north-east ; aquatic. 
Typha angustifolia : east and north ; aquatic. 
Juncus ohtusiflorus : scattered thinly near coast, but not in ex- 
treme north. 
Scirpus savii : aquatic ; chiefly, like the last, near the coast ; 
round Ireland. 
Carex divulsa : south to east. 
C. axillaris : east (on the middle line). 
C. strict a : throughout ; aquatic. 
C. strigosa : middle, east, and north of Ireland ; exceptional. 
Avena flavescens: middle and south; very rare northwards. 
Glyceria distans : south, east, north-east, and north ; marine. 
G. procumhens : south and east. 
G. loliacea : round Ireland ; a coast species. 
Festuca uniglumis : east and north-east; a coast species. 
Bromus erectus: southern half of Ireland, with a single 
northern station ; sometimes doubtfully indigenous. 
Hordeum sylvaticum : east. 
S. pratense and II. murinum: south and east, with a single 
northern station. 
Lepturus incurvatus : maritime ; round Ireland, but commonest 
on east and south-east coast. 
