At the time such sum or sums of money amounting to $1,250.00 shall be donated to the state and paid over to the Treasurer, the said American Legion or American Legion Auxiliary donating the same shall designate in writing signed by its commander or president and countersigned by its chairman of the scholarship committee, and filed with the Comptroller, the particular institutions of learning, among those enumerated in Section 16-31-1, in which the scholarship is desired. Thereupon it shall be the duty of the Comptroller to issue a warrant drawn upon the treasurer, in due form, and to deliver the same to the treasurer of such institution of learning for the said sum of $1,250.00, or for such several sums of $1,250.00 which shall be donated in this manner to the state, which warrant or warrants the treasurer shall pay on presentation. Such sum or several sums of $1,250.00 shall be received by such treasurer of such institution of learning and added to the sum held by the board or boards legally administering the same for the support of such institutions.