42 ON THE BOTANICAL GEOGRAPHY OF THE 



Instead of Mentha aquatica, M. hirsuta be- 

 comes more frequent in the South of Europe. 



A shaggy variety of Mentha Pulegium becomes 

 more frequent in Portugal. 



The white variety of Origanum vulgare is only 

 to be found in the southermost regions of Europe. 



Scutellaria galericulata disappears in the South 

 of Europe ; in its stead S. minor. 



Euphrasia officinalis not in the most southern 

 parts of Europe, but in its stead the somewhat 

 different E. latifolia. 



A very large variety of Pedicularis sylvatica is 

 only met with in the most southern parts of Europe. 



Instead of Antirrhinum Elatine of middle 

 Europe, A. spurium is more frequent in the 

 most southern parts. 



Instead of Antirrhinum Orontium, A. calyci- 

 num Encyclop. is more prevalent in the South of 

 Europe. 



Plantago lanceolata is scarce in the South of 

 Europe, but in its place the kindred species, P, 

 ahissima, Serraria, argentea. 



A particular variety of Scabiosa columbaria in 

 the South of Europe only. 



