SOUTH WESTERN PARTS OF EUROPE. 41 



Avena elatior is merely A. bulbosa in the most 

 southern parts of Europe. 



Bromus pinnatus, together with B. ramosus, in 

 the South of Europe. 



Bromus sterilis — in Portugal and Spain B. 

 madritensis. 



Dactylis glomerata — In the most southern parts 

 of Europe, only the var. D. hispanica. 



Poa bulbosa — not viviparous in the South of 

 Europe. 



Lolium perenne becomes annual in the South 

 of Europe. 



Juniperus communis in the North of Europe ; 

 I. montana Willd. on the mountains, I. Oxycedrus 

 upon plains of the South of Europe. 



Teucrium Scordium in the northern, T. scor- 

 dioides Schreb. in the most southern parts of 

 Europe. 



Stachys germanica appears somewhat changed 

 in Portugal. This also is the case with Ballota 

 nigra. 



Marrubium vulgare looses its scent in the South 



> 



of Europe. 



