75 



14- Fraxinus americana. 



Climate, soil, and treatment just the same as 

 with European ash, 



15. Juglans nigra. 



Wherever the sweet chestnut thrives this tree 

 also flourishes, preferably on the best soils. 

 Even within the domain of the oak, black 

 walnut can be raised on good soil in warm 

 situations. Smaller clumps in partial clearings 

 or groups of trees are recommended, but plant- 

 ing it pure has not proved to be of any 

 good. On the other hand, in the special zone 

 of the sweet chestnut mixed planting among the 

 other broad-leaved timber trees is quite admis- 

 sible on account of the speedy growth of the 

 walnut. It is advisable to keep the nuts during 

 the winter, so that when they germinate in the 

 spring they can be planted in the same place. 

 This is also done with the Carya nuts. 



The transplanting of seedlings of two or more 

 years' growth is much easier in the case of 

 Walnut than Hickory. With a view to giving 

 it plenty of light it is necessary that the crown 

 be entirely exposed, but the stem enclosed by 

 Ashes, Oaks, Maples, Beeches, and so on, for 

 the purpose of growing a trunk free from 

 branches. It is only high forest with a rotation 



