[prob. f. BLUE, in reference to the color: cf. F. bluet, applied to various flowers.] A kind of edible mushroom.
1830. Withering, Brit. Plants (ed. 7), IV. 192, note. This species [Agaricus violaceus] is sold in Covent-Garden market under the name of Blewits, for making catsup.
1871. M. Cooke, Fungi (1874), 91. Lepista personata used to be sold in Covent Garden Market under the name of blewits.
1883. Gd. Words, 589/2. Chantarelles, and morells, and blewitts.