Linum lewisii Linum lewisii Linum lewisii ("Linum perenne" var. "lewisii") (Lewis flax, blue flax or prairie flax) is a perennial plant in the family Linaceae, native to western North America from Alaska south to Baja California, and from the Pacific Coast east to the Mississippi River (USDA Plant Profile: "Linum lewisii"). It grows on ridges and dry slopes, from sea level in the north up to in the Sierra Nevada. It is a slender herbaceous plant growing to 80 cm tall, with spirally arranged narrow lanceolate leaves 1–2 cm long. The flowers are pale blue or lavender to white, often veined in
Flax mill Flax mill Flax mills are mills concerned with the manufacture of flax. The earliest mills were ones for spinning yarn for the linen industry. John Kendrew (an optician) and Thomas Porthouse (a clockmaker), both of Darlington developed the process from Richard Arkwright's water frame, and patented it in 1787. The first machine was set up in Low Mill on the River Skerne at Darlington, which Kendrew used to grind glass. They then each set up a mill of their own, Kendrew near Haughton-le-Skerne and Porthouse near Coatham Mundeville, both on the same river. They also granted permits, enabling others to