Arrangements have been made on a scale that must ensure success, by which a Mississippi Horticultural Society is to be established. An exhibition on a first-class scale is to be held September 7th, 8th and 9th, at St. Louis. Some remarkably liberal premiums are offered. For instance, the best collection of stove or greenhouse plants, $100; second best, $75; third best, $50; fourth best, $25; and the offers for fruits are equally liberal. S. M. Tracy, 600 Olive Street, St. Louis, is Secretary, who will send schedules or other information.