Proceedings of the Royal Irish Academy. 
8. angustifolium : aquatic, and widely but thinly distributed ; 
rare in the north. 
Helosciadium nodiflorum : aquatic and common, but local in 
Donegal. 
Pimpinella ynagna : south-west and west. 
(Enmithe lacJienaUi : brackish aquatic ; scarce in the north. 
CE. pliellandrium : common in the south and parts of midland 
northern counties. An aquatic which does not reach 
Donegal. 
Crithmum maritimum : round the coast, but commoner in the 
south than the north ; exceptional. 
Torilis nodosa: south, south-east and east; very rare, and prob- 
ably introduced in the north. 
Asperida cynanchica : south-west and west. 
JDipsacus sylvestris : southern half of Ireland ; often doubtfully 
native. 
Helminthia echioides : south and east. 
Thrincia liirta : chiefly in the south ; very rare in the north. 
Carduus te^iuiflorus : chiefly in the south and east ; barely reaches 
Donegal. 
C. pratensis : commonest northwards and westwards. A bog 
species, with an unexpected range in Ireland, and ascending 
mountains in the north and west to a considerable height 
above the agrarian zone. 
Bidens tripartita : aquatic, and found sparingly all over Ireland. 
Artemisia maritima : east (on the median line only). 
Erigeron acris : southern half of Ireland. 
Senecio viscosus and S. eruccefolius : east (on the median line 
only). 
Inula crithmoides : south and south-east along the coast to the 
middle of Ireland. 
Pulicaria dysenterica : a marsh species common in the east and 
south ; rare in the north-west and north. 
Anthemis iiolilis : south to north ; distribution difficult to ascer- 
tain. Long in use and easily established by peasants' 
dwellings and roadsides. 
A. cotula : southern half of Ireland chiefly ; very rare as native 
in the north. 
Campanula trachelium : south. 
ligustrum vulgare : south and east, on sea-cliiffs. 
ErythrcBa pulchella : south and east. 
