(1) The parcel of land or rights therein or incident thereto a portion of which is wanted, and the extent wanted;
(2) The name of the owner of such land or rights, or, if unknown, stating the fact;
(3) The object for which the land, etc., is wanted; and
(4) A prayer that a suitable portion of land or rights may be decreed to the petitioner, and set apart by metes and bounds, or other proper mode.