84 TYPICAL FLOWERS OF ALPINE PASTURES 



of the Harebell thus differ entirely in shape and form 

 from the mature leaves of the adult plant, and this is 

 also the case in many other plants. It has been found 

 that in the Harebell these leaves are really shade- 

 leaves (see p. 247) adapted 

 to the conditions which 

 prevail when the young 

 seedling is forcing its way 

 up to the light between its 

 tall neighbours in whose 

 shade it starts its existence. 

 If a Harebell is grown from 

 the seedling stage through- 

 out the whole summer in a 

 really shady place, all or 

 many of its leaves may be 

 heart shaped (Text - fig. 

 VII.). The long, narrow 

 leaves, on the other hand, 

 with which we are more 

 familiar, are sun - leaves, 

 . VII.-A Plant of the Round- adapted for full exposure to 



leaved Campanula (C. rotundi- the Summer Sunlight. 

 folia, Linn.), grown in diffuse T . . P 



light. All the leaves are cordate, In many Alpine Valleys, 



cUd!) see(Weaves * (After as at Saas, another species, 



Campanula Scheuchzeri, 



Vill., named after the celebrated Swiss geologist of 

 Zurich, occurs in place of our British Harebell. 

 Scheuchzer's Bell-flower is not a British plant, 

 although it is so like our Harebell. The flowers 



