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traced tlie Beurre Diel,, De Louvain and other well 

 known varieties. But it requires so long a time in 

 this country, to carry tliis sj'Stem out, that most hor- 

 ticulturahsts have been deterred from pursuing it. — 

 The climate of Belgium is much more favorable to it. 

 Mr. Knighfs Theon/. — This is the process almost in- 

 variably pursued by successful horticulturalists of the 

 present day, and is much preferred in this country, 

 where so long a time is required to perfect a tree 

 and bring it into bearing. It consists in sowing cross 

 hred seeds. Tbese are produced in this way: blossoms 

 ■of fruit trees, and of most plants, contain stamens and 

 pistils, which are the male and female parents of the 

 new seed. By examining the flower of the Cherry, 

 for instance, it will be perceived that there is a por- 

 tion in the centre directly connected with the young 

 fruit, which has a slight expansion at the top. This 

 stem-like substance is called the pistil or female parent, 

 and the expansion at the top the stirjma. Around the 

 pistil are numerous threads called stamens and at their 

 summit are little substances called anthers which se- 

 crete the poll-en or fertilizing dust. To produce a new 

 variety, select a flower that you intend shall be the 

 female parent of the new kind, and as soon as it be- 

 gins to expand, cut out the stamens with a pair of 

 scissors, using care not to injure the other parts. Af- 

 ter this, cover the flower with gauze to keep put the 

 bees. When the stamens of the other plant are grown 

 and the anthers matured, which may be determined by 

 their being covered with dust or pollen^ remove them 

 and after removing the gauze from the other flower, 

 give it a twirl over it so that the fertilizing dust shall 

 touch the pistil. Whep. the fruit ripens save the seeds 

 of the blossoms thus treated and plant them. The 

 trees produced will bear a fruit different from either 

 of the parent-trees, yet having some points of resem- 

 blance to both. Thus, Coe's Golden Drop Plum was 

 cross between the MagnumBonum or Egg-Plum andtiie 

 Green Gage; and the Elton Cherry was raised from a 



