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.
An interesting Armenian perennial, 6-12 in. high, remarkable for the fading of the blackish-purple spots that decorate the bright-yellow flowers in early summer. It is a good rock plant and is increased by cuttings in sandy soil. Popularly known as the "Prophet Flower ".
 
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