Praeger — On Types of Distribution in the Irish Flora. 37 



in "Westmeatli, followed by 31 in S.E. Gal way. It will be noted 

 that Antrim furnishes a sufficient number of species to raise it 

 above the minimum grade ; this is the effect of the Lough Neagh 

 flora, which includes a number of stragglers from the waters and 

 marshes of the Central Plain, such as ITiaUctrum flavum, Rhamnus 

 catharticus, It. Frangida, lathyrus palusfris, Sagittaria sagittifolia. 

 The prolongation of certain species into Mid and East Cork appears 

 to be due to the extension of the limestone into those divisions. 

 Analysed according to their British distribution, this " Central" plant- 

 group is strikingly southern. Of 29 whose types are given by "Watson, 

 18, or nearly two-thii'ds, are of English or Germanic type; seven 

 more have "English" tendencies, while the only northern plants 

 are one "Scottish" species, Fquisetum variegatiim, and two bog 

 plants of Scottish tendencies, Andromeda Polifolia and Pyrola rotundi- 

 folia. 



3. Maeginal Type. — Exclusive of maritime plants (o£ which more 

 anon), the Marginal type is somewhat more numerous in species 

 than the Central. Eorty-six plants are listed below ; they have 

 an average range of 16 divisions per species. 



Subularia aquatica, 10 HS 



Senebiera Coronopus, 28 E 



Cerastium tetrandrum, 30 B 



semidecandriun, 17 BE 



arvense, 

 Sagina ciliata, 



subulata, 

 Elatine hesandra, 

 Hypericum elodes, 

 Eadiola linoides, 

 Erodium moschatum, 

 Trifolium striatum, 



arvense, 



fragiferum, 

 Vicia sylvatica, 22 SB 



Agrimonia odorata, 20 E 



Saxifraga stellaris, 17 H 



Sedum Rhodiola, 16 H 



Callitriche hamulata, 21 B 



Carum verticillatum, 6 A 



Filago minima, 18 B 



Gnaphalium sylvaticum, 31 B 

 Anthemis nobilis, 20 E 



10 BE 

 9 EB 

 8 SB 

 E 



AE 

 B 

 A 

 E 



10 

 23 

 20 

 17 

 9 



14 BE 

 11 E 



Saussurea alpina, 

 Hieracium anglicum, 



Schmidtii, 



gothicum, 



caesium, 

 Lobelia Dortmanna, 

 Jasione montana, 

 Centunculus minimus, 

 Myosotis collina, 

 Pinguicula lusitanica, 

 Stacbys aiTensis, 

 Galeopsis versicolor, 

 Sclerantbus annuus, 

 Salix berbacea, 

 Zannicbellia palustris (aggr. 

 Carex dioica, 



rigida. 

 Milium eiTusum, 

 Lycopodium alpinum, 

 Isoetes lacustris, 

 Pilularia globulifera, 

 Cbara canescens, 

 Nitella translueens. 



6 



7 

 18 

 29 

 15 EB 

 12 B 



31 

 25 



16 



17 



I, 20 



20 



15 



21 



12 



17 



5 



3 



11 



H 

 H 

 S 

 H? 



SH 

 BE 



AS 

 B 



17 EG 



B 

 H 

 B 

 SB 

 H 

 BE 

 H 

 H 

 B 



