Abstract: Lumber stacking apparatus which include sticker placing apparatus provide means of automatically placing stickers in a sticker tray and of removing stickers from a sticker tray. Lumber placing apparatus includes an actuating assembly that can be actuated to move a sticker support bracket that is operatively supported thereby in a substantially vertical direction and in a substantially horizontal direction during transferal, by the sticker support bracket, of a sticker from a sticker in-feed conveyor to a sticker tray.