There's a piece of Dust on the path to the right, then you need to continuously use the Chain Sickle on the trees to cross over.
It's fine if you accidentally fall; the poison won't kill us anyway. There's a save point ahead. There's also Dust to the left of the save point.
Collect this Dust, defeat the enemy ahead, and pick up the "Void" Memory Flower #2 and Dust on the right.
