This section is from the book "Commercial Gardening Vol2", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Beautiful and popular hardy annuals with many varieties, all easily raised from seed sown under glass or in the open air in spring. Young plants sell readily in shallow boxes in spring for purposes of summer bedding. They grow 1-2 ft. high, have oblong lance-shaped leaves and numerous blossoms varying (according to variety) from pure white to rose, deep red, crimson, etc, many being beautifully blotched with other shades. Duchess of Albany, Lady Albemarle, and The Bride are amongst the best-known varieties.