Put the numbers indicated in the flowers, with each number used exactly once. The number in a flower that has stems branching above it to higher flowers will be the sum of the numbers in those higher flowers. The numbers in each horizontal row will be increasing.
PUZZLE #1:
numbers 1-6PUZZLE #2:
numbers 1-7PUZZLE #3:
numbers 1-8
PUZZLE #4:
numbers 1-9PUZZLE #5:
numbers 1-10
PUZZLE #6:
numbers 1-11PUZZLE #7:
numbers 1-12
The solutions are here.