Criticisms of reports that ferrite laths have a sessile interfacial structure are refuted. A
local lattice correspondence,
achieved across coherent regions between interfacial defects, suffices to produce
surface reliefs and martensitic crystallography
[Prog. Mater. Sci. 42 (1997) 101]. However, formation of tent-shaped surface reliefs by
monocrystalline
laths/plates is inconsistent with martensitic growth.