My favorite architect, MacKenzie, on trees:
"On an inland course, the only way, except at enormous expense of providing hazards as high as sand dunes, is by the use of trees in groups," MacKenzie wrote. "Trees make an excellent corner for a dog-leg. Firs, pines, cypress, sil- ver birch and California oak make beautiful backgrounds for greens."
In 1933,
[size=78%]Alternative groupings of trees, planted irregularly, create most fascinating golf and give players the opportunity of showing their skill and judgment in slicing, pulling round, or attempting to loft over them.[/size]