Mo. Rev. Stat. § 391.050
Any railroad company organized under the provisions of this chapter, or accepting the provisions thereof, may issue preferred stock for such amount and upon such terms and conditions as the board of directors may prescribe, by and with the consent of the shareholders of such company expressed at a regular or special meeting of such stockholders called upon twenty days' published notice or twenty days' written notice to each registered stockholder addressed to him at his last known address.
(RSMo 1939 § 5319
Prior revisions: 1929 § 4914; 1919 § 10125; 1909 § 3319