Fig. 2

Diagram showing how the samples were cut off from the chi-chi. A Used for SEM, FE-SEM, and thioacidolysis. B Used for SEM and thioacidolysis. C Used for X-ray CT, optical microscopy, and SEM. D Used for thioacidolysis and lignin determination. E Used for scanning the surface of the longitudinal half section. The lower left image is the polished surface of the sample E. Scale bars, 5 cm