The answer to this question is that buds come in the Axils of single leaves; that is, in the inner angle which the leaf makes with the stem.
"Outlines of Lessons in Botany, Part I; From Seed to Leaf"
Jane H. Newell
If they are still in doubt as to the cause of these marks, show them some house-plant with well-developed buds in the Axils of the leaves, and ask them to compare the position of these buds with their branches.
"Outlines of Lessons in Botany, Part I; From Seed to Leaf"
Jane H. Newell
The outer pair sometimes have buds in their Axils.
"Outlines of Lessons in Botany, Part I; From Seed to Leaf"
Jane H. Newell