// Stairs
ForestryBlock.stairs.registerBlock(new BlockArbStairs(ForestryBlock.planks1.block(), 0), ItemStairs.class, "stairs");
ForestryBlock.stairs.block().setHarvestLevel("axe", 0);
// Saplings
ForestryBlock.saplingGE.registerBlock(new BlockSapling(), ItemForestryBlock.class, "saplingGE");
// Leaves
ForestryBlock.leaves.registerBlock(new ForestryBlockLeaves(), ItemLeavesBlock.class, "leaves");
OreDictionary.registerOre("treeLeaves", new ItemStack(ForestryBlock.leaves.item(), 1, OreDictionary.WILDCARD_VALUE));