Ornamental Gardening 153 



as possible should be used if there are fish in the 

 pond. 



A few goldfish should be kept in the pond to prevent Why fish 

 mosquitoes from making it a breeding place. The fish s ke ^} in ^ 

 eat the wigglers, which are the larvae of mosquitoes. P nd 

 The plants supply the fish with oxygen for breathing, 

 while the fish exhale carbon dioxid gas which the plants 

 use for growth. 



The common pond lily and many other water plants Water 

 are so hardy that they will live over winter in a pond, winter m 

 The bulbs and tubers of more tender varieties may be 

 removed to a cellar. This is easily done if the pond is 

 so arranged that it can be drained. 



The bulb garden. Many of our most beautiful flowers 

 are raised from bulbs instead of from seeds. Most of 

 the bulbs are hardy enough to remain in the ground over 

 winter, ready to come up with the first warm days of 

 spring. The pure white snowdrops bloom, often, before 

 the last snow has melted. They are quickly followed 

 by the crocuses, which come in several colors. Later 

 come the yellow daffodils and the gorgeously colored 

 hyacinths and tulips. 



A bulb is an underground portion of the stem or it What a 

 consists of thickened leaves, and its purpose is to furnish 

 an abundant store of food that the plant may draw on 

 during its period of rapid growth when it is sending up 

 a flower stalk. The onion is a good example of a bulb. A common 

 The year in which the seed is planted is spent in maturing examp 

 the bulb. If this is left in the ground or replanted after 

 being kept over winter, it blooms and produces seed. 



There are three kinds of bulbs : (i) those which, like 



