Page:Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne (1867).djvu/327

Rh Eighteen stop short in Tyneland, viz. : —

Thirty-one stop short in Durham, viz. : —

6. — Only one species is restricted in Britain to our two counties, the Teesdale Arenaria uliginosa, and that has a wide distribution on the Continent, reaching from Lapland to Lombardy and Austria. A second Teesdale species, only discovered, or rather determined, very recently, Viola arenaria, has still more recently been found over the Westmorland border; and sixteen of the northern species are not found further south on the east side of the island, viz. : —