136 PETIOLE OF NUPHAR LUTEA 



Many climbing plants have sensitive tendrils 

 by means of which they cling to their supports, 

 but in the clematis, instead of separate special 

 organs, the clinging powers are embodied in 

 the long, thin stalks of the leaves themselves, 

 which wind round their supports. 



Petiole of Nuphar Lutea. 



The Nuphar lutea, or common yellow water- 

 lily, and the Nymphcea alba, or great white 

 water-lily, have the same generic characters. 

 The calyx consists of five or $ix leaves, the 

 petals are numerous and small, and there are 

 stamens on the seed-vessels. 



These two plants are generally to be found 

 on lakes and ponds, in parks and gardens. 

 The white water-lily is found frequently in 

 lakes and still waters in Scotland, and the 

 yellow is common in most rivers and lakes. 

 The country people call the yellow water-lily 

 ' Brandy-bottle,' as it smells like brandy. 



The petals are usually thirteen in number, 

 and form a continuous spiral with the stamens. 



