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
The Colours of Animals in evolution. She writes that Poulton's position was highly influential, stating that later "Darwinian experts on coloration" followed his views, citing Frank Evers Beddard's 1892 "Animal Coloration" as evidence. In his Introduction to Hugh Bamford Cott's 1940 book "Adaptive Coloration in Animals", Julian Huxley praised Cott's work as "a worthy successor to Sir Edward Poulton's "The Colours of Animals"... The one was a pioneer study, the other is in many respects the last word on the subject"". The Colours of Animals The Colours of Animals is a zoology book written in 1890 by Sir Edward Bagnall Poulton (1856–1943). It was