A FROZEN WORLD 



225 



a type familiar to all of us in the white and 

 yellow water-lily, and also in the beautiful little 

 fringed limnanthemum. The reason why floating 



NO. 9. THE FROGBIT IN SUMMER, FLOWERING. 



leaves assume this circular shape is easy to per- 

 ceive ; they need no stout stalk to support them, 

 like aerial foliage, the water serving to float them on 

 its surface ; and as they find the whole surrounding 



