County Cork Botany
The most striking feature of the botany of the neighbourhood of Cork city is the number and profusion of plants which have escaped from cultivation and arc now naturalised. Most of these arc of South 
European distribution. They include Sedum album, Centrantlms rubcr, Scnecio squalidus and the. hybrid .S. squalidus vulga.ris (all abundant on walls), Hypcricum liircinmn (Glanmire), Sympliytum iuberosum (Blackrock), Erimis alpinits (Douglas, Blackrock, etc.), Linaria viscida (Tivoli, etc.), Siraiiotes aloidcs (Ballyphehane bog), Barbarca praecox, DiplotnxiK mwalix, and Mercimalis annua.. Among the native plants, one of the most interesting is the Irish Spurge, EnphorUa hiberna, already referred to ; Geranium rotiindifolium, Pim- piuella magna, Rosa micrantha, Carduus nutans, Orobanche Hedera, Ceratophvllum dcmersum, Fesinca sylvatica.