SOUTH WESTERN PARTS OF EUROPE. 43 



With Parietaria officinalis a kindred annual 

 species is found in Portugal. 



Urtica dioica is not found in the most southern 

 parts of Europe, but only U. caudata Vahl. 

 Both these species are, however, sometimes found 

 together on their respective boundaries. 



Cuscuta europsea ; in the South of Europe C« 

 Epithymum is more frequent. 



Anchusa officinalis in the North of Europe, A. 

 italica in the South f 



Echium vulgare is scarce in the South of Europe, 

 instead of it other nearly related species, as E. 

 lusitanicum and angustifolium Lamaric, are more 

 plentiful. 



Cynoglossum officinale is not found in the South 

 of Europe ; but C. pictum in its place. 



Cynoglossum Omphalodes in the middle of 

 Europe ; a nearly allied species, called Omphalodes 

 lusitanicum by Tourneeort, and transferred to 

 Cynogl. lusitanicum by Linnteus, is found in 

 Portugal. 



Primula veris and P. elatior are not to be 

 found in the most southern regions of Europe ; but 

 P. acaulis. 



