Figure 9. Various generic leaf cushion morphologies. L in A "Mystery Fossil" is Evidence for Massive Devonian Trees in Australia

Figure 9. Various generic leaf cushion morphologies. L, ligule scar; p, parichnos scar; VB, vascular bundle scar. (a) Lepidodendron sp. from Scotland (AM F.17751); (b) Lepidodendron (after Taylor & Taylor, 1993); (c) Lepidodendron aculeatum before secondary expansion (after Thomas, 1970); (d) L. aculeatum after secondary expansion (after Thomas, 1970); (e) Lepidophloios (after Taylor & Taylor, 1993); (f) Leptophloem australe; and (g) Sigillaria.