266 The Principles of Fruit-growing. 
grow to very large size, 40 to 45 feet is none too far apart for 
permanent trees. The places for the temporary trees or, ‘fillers,’ 
are designated by the letter F. The fillers reduce the distance 
between trees to one rod, or 164% feet, except where the alleys 
oceur, which are 2814 feet wide. The fillers should be of early- 
(NORTH) 
P P P P 
P P P P 
P P P P 
iP: P P P 
52 permanent trees, 33 feet apart. 
iP F P F P F P F 
F i F P F P F P 
P F Pp F P F P F 
wr P F P F P F Pe 
104 trees, 16 x 33% feet apart. 
P F P F P F P F 
F F F ¥ F 
F 2 ¥ Pp F iP F P 
KF F F F F 
P ¥ P F B F P: F 
¥ F F F F 
¥ P F P F P F P 
¥F F F F F 
P F P F P F P F 
156 trees, 1614 x 1614 feet apart, aftér leaving out two rows for alleys. 
(SOUTH) 
Fig. 33. Hexagonal plan. 
bearing kinds, such as Wagener, Missouri or Wealthy, which 
will usually pay the cost of the entire orchard within the first 
ten years. In the middle section of Fig. 33 are 104 trees per 
acre, in which all the intermediate rows are left out, the fillers 
only equaling the permanent trees. These are preferably in 
the rows running north and south, that the trees may in some 
