MOUNTAIN FLOKA OF GREAT ATLAS. 



441 



Table II. — Shoioing the distribution of the species of flowering plants 

 included in the Flora of the Great Atlas, and of the Sierra Nevada 

 of Granada,^ and the Bulgardagh in Cilicia.' 



From this table we see that while over one-third of the 

 whole Atlas Flora consists of plants of Central and Northern 

 Europe, the proportion reaches nearly to one-half in the higher 

 region (above 2,000 metres) ; and also that the proportion of 

 endemic species, which in the aggregate is one-sixth of the 

 whole, rises to one-iifth in the upper zone. On the other hand, 

 the proportion of purely Mediterranean species, which amounts 

 to 55 per cent, in the Flora of the middle zone, falls below 36 



' The name Sierra Nevada is here used in a wide sense, and is 

 intended to include the Serrania de Honda, and the other mountains 

 of Andalusia. Under this head, the plants classed as 'confined to 

 adjoining regions ' are either common to the Sierra Nevada and the 

 mountains of Northern Spain, including the Pyrenees, both Spanish 

 and French, or else are common to the Sierra Nevada and the moun- 

 tains of Northern Africa. 



^ The Bulgardagh has been introduced into this table rather for the 

 sake of contrast than as showing similarity to the conditions in the 

 Great Atlas. The species classed as ' confined to adjoining regions ' 

 are all found in the other mountain districts of Asia Minor, and it has 

 been necessary to include under the heading ' Wide-spread Mediter- 

 ranean ' a large number of Oriental species, whose western limit is in 

 Greece or Crete. As compared with the Great Atlas, the number of 

 species common to the western and south-western parts of Europe is 

 here quite insignificant. 



