350 



Division of Forestry. 



[Bull. 165 



laying off the rows with a plow or lister, followed by a little 

 work with the spade, care being taken to firm the soil well 

 when the tree is put in position. Setting in the spring is usu- 

 ally most successful, and should be done before the buds are 

 much swollen. As with all trees that are being transplanted, 

 care must be taken to prevent drying. If the roots be ex- 

 posed for only a few minutes to the sun or drying winds, the 

 chances for success may be seriously reduced. 



PLATE 36. Cross section of catalpa grown on Agricultural College campus. 



