The fund designated as the University Fund consists of the sum of $36,000.00 per annum as interest on the funds of the University of Alabama, heretofore covered into the Treasury, for the maintenance and support of said institution, which said sum of $36,000.00 shall be paid to the duly authorized agent of the university as hereinafter provided; and the further sum of $25,000.00, annually, is added to and made a part of the University Fund.