Plate 60. — Wood Structure. 



A. Transverse Section, Hematoxylon. 1. Medullary rays. 2. Resin passages. 

 3. Woody parenchyma. 4. Duct. 5. Resin mass in parenchyma cell. 6. Wood 

 fibers. 



B. Powdered Hematoxylon. 1. Vessel, pitted type. 2. Woody parenchyma 

 with fragment of ray. 3. Fibers crossed by medullary ray cells. 4. Resin mass. 

 5. Crystals, prismatic type. 6. Crystal-bearing fiber. 



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