Fixed missing icons mushroom16 and corporeaIndex.

src/main/java/vazkii/botania/common/block/corporea/BlockCorporeaIndex.java

@@ -11,6 +11,7 @@
 package vazkii.botania.common.block.corporea;
 
 import net.minecraft.block.material.Material;
+import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.IIcon;
@@ -41,6 +42,11 @@ public class BlockCorporeaIndex extends BlockCorporeaBase implements ILexiconabl
 	public boolean renderAsNormalBlock() {
 		return false;
 	}
+	
+	@Override
+	public void registerBlockIcons(IIconRegister par1IconRegister) {
+		// NO-OP
+	}
 
 	@Override
 	public IIcon getIcon(int side, int meta) {

src/main/java/vazkii/botania/common/block/decor/BlockModMushroom.java

@@ -90,7 +90,7 @@ public class BlockModMushroom extends BlockMushroom implements IInfusionStabilis
 	@Override
 	@SideOnly(Side.CLIENT)
 	public void registerBlockIcons(IIconRegister par1IconRegister) {
-		icons = new IIcon[17];
+		icons = new IIcon[16];
 
 		for(int i = 0; i < icons.length; i++)
 			icons[i] = IconHelper.forBlock(par1IconRegister, this, i);