Any suit commenced under the provisions of this article, shall be brought in the name of the board of county commissioners of any county interested in the subject matter of the suit, as plaintiff, and any or all counties having any interest adverse to the plaintiff may be joined as defendant. The district attorney of such county, at the direction of the board of county commissioners, shall commence and prosecute, or defend, as the case may be, to final judgment and determination, any and all suits that may be instituted under authority of this article.
R.L. 1910, § 1514.