CHAP, vii S Y L V A 179 



c balks 4 foot broad, fruit-trees be set, 4 pole or 22 

 4 yards asunder, and one forest-tree be set betwixt 

 c every two fruit-trees, then for every acre of ground 

 4 left unplowed, there may be 1 60 fruit-trees, and 160 

 4 forest-trees. 



4 Some think the loss of ground in making holes 

 4 for trees and tumps, to be more than really it is : 

 4 For, if a mark be paid yearly for an acre, this comes 

 4 to no more than one penny for a square pole, which 

 4 is 30 square yards and J ; and he that pays 2os. for 

 4 an acre, has 20 square yards for id. 



4 In closes, or on broad pieces of ground in open- 

 4 fields, trees may be planted in some of the orders 

 4 described in the 4 first figures following. 



4 In these figures each letter represents a tree, viz. 

 c aaa fruit-trees, 30 yards asunder in equilateral 

 4 triangles; and oo forest-trees. In the ist. fig. the 

 4 rows are 1 5 yards asunder, the fruit-trees in the 

 4 same row 52 yards asunder, the forest-trees 8 yards 

 4 asunder, and 10 yards from the nearest fruit-trees. 

 4 These forest-trees may be often pruned up to the 

 4 top : The rows may run the same way that the lands 

 4 or leys shoot. In every acre about 6 fruit-trees, 

 4 and 30 forest-trees may be thus planted: Or the 

 4 distance may be more or less, as the planter thinks fit. 



4 In places never likely to be plowed, trees may be 

 4 set as in the 2d. or 3d. fig. In the 2d. fig. betwixt 

 4 3 fruit-trees are set 3 forest-trees, 8 yards asunder, 

 4 and 1 5 yards and \ from each fruit-tree. A fruit- 

 4 tree has 12 forest-trees round about it. About 6 

 4 fruit-trees, and 36 forest-trees may be thus set in 

 4 one acre. 



4 In the 3d. fig. betwixt 3 fruit-trees are set 4 

 4 forest-trees, 17 foot and J asunder. Here round 



