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.
Stove plants, easily grown in sandy loam and peat, and very ornamental when in bloom. The best kinds are chryso-stephana, yellow; coccinea, scarlet; magnifica, red, with varieties carnea and Pohliana; Ghiesbrechtiana, red, etc. They are all raised from cuttings in spring.