STEM STRUCTURE 



A 



3 



I .2 



PLATE 61. Wood Structure. 



A. Radial Section, Hematoxylon. 1. Duct. 2. Woody parenchyma. 3. 

 Fibers. 4. Medullary ray cells. 



B. Tangential Section, Hematoxylon. 1. Duct. 2. Woody parenchyma. 

 3. Fibers. 4. Medullary ray cells. 



