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.
A pretty Alpine Crocus-like plant of the lily family, having violet or rose-purple funnel-shaped flowers in January, not more than 6 in. above the ground. It is easily grown in good garden soil, and is often planted in grass land. The trade is done in the bulbs (corms) in early autumn.