PLATE 91 



Mil* 



mar ■ 



Cross-Section of Rhizome of Spigelia marylandica, L. 

 Epidermis. 2. Cortical parenchyma. 3. Phloem. 4. Cambium. 

 5. Xylem. 6. Internal phloem. 7. Pith with starch. 



