PRACTICAL PLANT PROPAGATION 



DICECIOUS PLANTS Concluded 



Idesia. Flowers are green- 

 ish yellow; fragrant. 

 Male flowers ^ inch 

 across; the female 

 flowers Ya inch. Fruit 

 in September. Orange 

 red and very showy 

 when leaves are gone. 



Fig. 9. Female flower of Cycas revoluta. 



The ovules are borne in the notches of the 



deeply cut, modified leaves 



Ilex. Holly. In some Hollies the flowers 

 are fertile; in others, plants of both sexes 

 are necessary if berries are to be formed. 



Maclura (Toxylon). The sterile flowers 

 are in racemes, the fertile are crowded 

 in a large spherical head. 



Morus. Mulberry. Usually monoscious; both 

 sorts of flowers in catkins. 



Phellodendron. Flowers greenish and in- 

 conspicuous, but the fruit is berry-like 

 and hangs through the Winter. 



Shepherdia. Plant both male and female 

 plants for fruit. 



Skimmia. Flowers are often dioecious. 



Zanthoxylum. There is little difference 

 in the ornamental value of male and 

 female trees. 



SAVING SEED FROM DESIRABLE PLANTS 



The normal flower of most plants has 

 two parts or groups of parts the male 

 part (see fig. 11) made up of the stamens Fig. 10 Male flower of 

 which are the pollen bearers, and the fcT^ounS 



part, consisting OI the pistil Which lower side of each scale 



