40 EUCALYPTS IN FLORIDA. 



7. Ease of inspection. 



8. Convenience in making cuttings and thinnings. 



9. Better transportation. 



10. More expeditions performance of all labor. 



Provided these points are considered, the choice of the system of 

 spacing is largely a question of individual preference, unless, of 

 course, one is limited by the size or form of the tract or the number of 

 saplings at hand. 



Arrangement. — In a plantation the trees in the rows may be so 

 arranged as to form squares, rectangles, or triangles. 



In the square method the distance between the trees in the rows 

 is equal to the distance between the rows, and the trees in adjoining 

 rows are opposite. This does not, however, bring each tree at an 

 equal distance from each other tree, since the length of the diagonal 

 is greater than the length of the side of a square. 



The rectangular method of spacing is simply a modification of the 

 square method. The distance between the rows is greater than the 

 distance between the trees in the rows. If the trees are opposite 

 each other, rectangles are formed ; if the trees are opposite the centers 

 of the spaces in adjoining rows, isosceles triangles are formed. 



In the equilateral-triangle method the distance between the trees 

 in the row is the same, but the distance between the rows is always 

 less than the distance between the trees in the rows, and the trees in 

 one row always stand opposite the centers of the spaces in the ad- 

 joining rows. This method probably has the most advantages. It 

 is easy to set and place all the trees at equal distances from each other. 

 The most trees can be planted on a given area by this method, and it 

 is the most suitable for warm countries and sandy soils, because it 

 makes the closest cover. The trees thus planted form regular lines in 

 all directions from the point of view of the observer. 



The various methods of spacing may be graphically represented 

 thus: 



1. O O O O- O 1. Lines 



2. O O O O O 



2. Squares. 



6 o o o o 



3. O; ;;0 O 



... ... 3. Eectangles or isosceles tri- 



,...--' : ■---... ; angles. 



0-~ ; ""6 O 



4. O O 



4. Equilateral triangles. 



O 



