

NURSING. 75 



two *years old, and nursed in lines twelve 

 inches apart, and three in line, for two sea- 

 sons. At the end of which, remove them into 

 other lines fifteen inches apart, and four or 

 five in line; there to remain one, or at 

 most two years, as shall be determined by 

 their progress, or the soil they are to be 

 planted in. If they are intended for very bar- 

 ren sites, plants nursed for two seasons only 

 are to be preferred. 



The roots of this plant should not be 

 pruned at any time, if it can be avoided ; 

 nor, indeed, should any of the resinous tribes, 

 except a small bit of the tap roots of seedling 

 infants. 



AMERICAN SPRUCE, AND SILVER FIR. 



These are also to be taken from the semi- 

 nary at the end of the second year, and 

 planted in lines twelve inches apart, and four 

 in line. Nurse them here for two seasons, 

 and then remove them into other lines, 

 eighteen inches apart, and six in line ; there 

 to remain for one or two seasons more, ac- 

 cording to circumstances. Longer they should 

 not be nursed. If they are intended for bleak 



