450 IMMATURITY OF THE TRUIT. 



them, which have a superabundance of pollen, and 

 can part with it for their benefit. The former are 

 called imtiUate^ because the female element largely 

 predominates ; while the latter are staminate, because 

 the male element is the stronger. Sterility in a 

 pistillate plant can easily be remedied by planting 

 through the bed, or in an adjoining line, those which 

 are staminate. 



Again: sterility often results from bad cultiva- 

 tion, which allows the tree to produce too large a 

 crop, and to exhaust itself in maturing its seed. 

 The production of some varieties only once in two 

 years is owing to the fact that the tree becomes so 

 weak in maturing such an inordinate number of 

 seeds, that no strength is left for the formation 

 of fruit-buds in the autumn for the succeeding year. 

 This can be prevented by judiciously thinning the 

 fruit, which does not diminish the quantity ; for, as 

 before mentioned, what exhausts the tree is the 

 seed ; and therefore, by taking a part of it away, 

 the fruit becomes larger, and the measure remains 

 the same, with only a diminished number of fruits. 



2. Immaturity of the fruit — Carpomosia: E,e. This 

 is a condition of the fruit in which the cells are 

 woody, and the juice acid, as it is before the com- 

 mencement of the saccharine fermentation. It is 

 impossible to ripen fruit when infected by this 

 disease, which results from one of three causes : 

 Firsts from excessive dampness and coldness of soil 



