On Skullduggery Island in Poptropica where or what is 312 Fern Way?

312 is a sequence. If you go right by the ink wells, the fern on the right is fern 1 the fern in the middle is fern 2 and the fern on the right is fern 3. If you hit the ferns in order fern 3 fern 1 fern 2 part of the parchment paper will fall down.