750 



high pine land, and the sour stock is more highly esteemed than the 

 sweet stock on all kinds of land. In Louisiana the sour stock is pre- 

 ferred by about 90 per cent of the planters. 



" From data sent by California orange growers who have tried the 

 sweet and sour orange stocks side by side ou a large scale, it is safe to 

 conclude (1) that the sour-stock trees make a more thrifty growth; 

 (2) that they are more free from disease and are entirely resistant to 

 mal di Goma (foot rot or gum disease) ; (3) that they are less liable to 

 be injured by cold while young; (4) that the quality of the fruit is not 

 impaired." 



