Brittle stalk-X (bkx) reported by R. G. Wiggans in the News Letter, March 6, 1938, p. 12, is an allele of bk2

11. Brittle stalk-X (bk_x) reported by R. G. Wiggans in the News Letter, March 6, 1938, p. 12, is an allele of bk₂.

Fine stripe-X (f_x) from the same report is an allele of ij.

D. G. Langham