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.
Other kinds are cemuum, 1 ft., white; erectum, deep purple; erythrocarpum, white; nivale, white; recurvatum, purple; sessile, purple; stylosum, pink. They are all tuberous rooted, and like a light, organic soil and shaded places. Increased by careful division.
Fig. 219. - Linum grandiflorum.