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Of this genus a few low-growing hardy herbs are cultivated, with flowers much like those of forget-me- not, but larger and usually with a white five-pointed star dividing the corolla-lobes.  
 
Of this genus a few low-growing hardy herbs are cultivated, with flowers much like those of forget-me- not, but larger and usually with a white five-pointed star dividing the corolla-lobes.  
 
The flowers are often more or less pinkish, particularly toward the center. They like moist situations, but in deep shade grow too luxuriantly; also the flowers are fewer and of a weaker blue. Partial shade or full sunlight is preferable. The commonest kind is the "creeping forget-me-not," O. verna, which is a spring-blooming perennial of easy culture, producing runners freely and easily propagated by division. It can be grown by the yard in a rockery and can be easily naturalized in wild moist half- shaded spots. It is also good for fringing walks. It is said to like best a cool, moist loam, with a few bits of sandstone among which the roots may ramble and from which they may derive coolness and moisture. Perhaps the choicest kind is O. Luciliae, also a spring- blooming perennial, but of tufted habit and impatient of division. It is a native of Asia Minor at a height of 8,000 feet, and grows in fissures of vertical cliffs. It is said to like a loose limestone soil, deep and well drained. When once established it self-sows. O. linifolia is a summer-blooming annual of easy culture. O. verna has a white-flowered kind, which is pretty but to most persons lacks the interest of a blue-flowered forget- me-not.
 
The flowers are often more or less pinkish, particularly toward the center. They like moist situations, but in deep shade grow too luxuriantly; also the flowers are fewer and of a weaker blue. Partial shade or full sunlight is preferable. The commonest kind is the "creeping forget-me-not," O. verna, which is a spring-blooming perennial of easy culture, producing runners freely and easily propagated by division. It can be grown by the yard in a rockery and can be easily naturalized in wild moist half- shaded spots. It is also good for fringing walks. It is said to like best a cool, moist loam, with a few bits of sandstone among which the roots may ramble and from which they may derive coolness and moisture. Perhaps the choicest kind is O. Luciliae, also a spring- blooming perennial, but of tufted habit and impatient of division. It is a native of Asia Minor at a height of 8,000 feet, and grows in fissures of vertical cliffs. It is said to like a loose limestone soil, deep and well drained. When once established it self-sows. O. linifolia is a summer-blooming annual of easy culture. O. verna has a white-flowered kind, which is pretty but to most persons lacks the interest of a blue-flowered forget- me-not.
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O. florariensis , Corr., is a garden hybrid between O. Luciliae and O. nitida (H. Correvon, Floraire, Geneva, Switzerland).
 
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