218 



THE SCHOOL GARDEN BOOK 



tall sorts that require a long season for their development, 

 and some poles or other supports to enable them to climb. 

 In the more northern States, the season is so short that the 



Lima Beans are not grown so suc- 

 cessfully as they are farther south. 

 There are certain low-growing 

 varieties, however, which are com- 

 monly called Bush Limas that 

 may be grown in the North suc- 

 cessfully; these have not the dis- 

 advantage of requiring poles for 

 their support. The Bush Limas 

 are excellent sorts for school and 

 '! SEGALS home gardens. 



THE STRUCTURE OF THE 

 FLOWER 



The beautiful Shirley Poppies 

 serve very well to illustrate the 

 structure of a flower. As the bud 

 develops it is covered by two large 

 green sepals that serve to protect 

 the blossom until the delicate 

 petals are ready to unfold. At 

 Shirley Poppy. the base of the petals in the cen- 



tre of the flower are the many 



stamens, surrounding the large central pistil. An impor- 

 tant function of the sepals is, as already noted, to pro- 

 tect the bud: when the poppy flower opens these sepals 

 commonly fall off. An important function of the petals 

 is to attract the bees to the flower for the pollen which is 



