bracken

Bracken, John, 1883–1969, Canadian political leader, b. Ontario. A noted agricultural expert, he was premier of Manitoba for 20 years (1922–42). In 1942 he was chosen to lead Canada's Conservative party, which he renamed Progressive Conservative. Elected in 1945 to the Canadian House of Commons, he served as leader of the opposition until 1948, when he resigned.

bracken or brake, common name for a tall fern (Pteridium aquilinum) with large triangular fronds, widespread throughout the world, often as a weed. It is considered poisonous to livestock when eaten in quantity, but the rootstocks and the young shoots, cooked, are used for food. Bracken is also a source of tannin and is used for thatching and as bedding for livestock. A beverage is made from the roots. The names bracken and brake are sometimes also applied to other large, coarse ferns and, as general terms, to a thicket of such plants. Bracken is classified in the division Polypodiophyta, class Polypodiopsida, order Filicales, family Polypodiaceae.