FIGURE 15. Charcoal; (1) SEM detail of homogenised cell walls (S-1596, scale bar = 5 µm); (2) TLM view showing scalariform pitting (P0584), scale bar = 20 µm); (3) TLM view showing scalariform pitting (P0595, N42.3, scale bar = 20 µm); (4) TLM view showing uniseriate and biseriate bordered pits in xylem, (P0612, O32.1, scale bar = 20 µm); (5) SEM of xylem cells. Note unfilled, three-dimensional preservation, (S-1596, scale bar = 50 µm); (6) SEM of xylem cells. Note unfilled, three-dimensional preservation (S-1596, scale bar = 10 µm); (7) TLM view showing uniseriate bordered pits in xylem (P0588, L23.2, scale bar = 20 µm); (8) TLM view showing uniseriate bordered pits in xylem (SL5545, scale bar = 50 µm).