PLATE 95 





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CROSS-SECTION OF STEM OF SPIGELIA MARYLANDICA, L. 



1. Papillate epidermis. 4. Phloem. 7. Inner phloem. 



2. (Cortical parenchyma. 5. Cambium. , 8. Pith. 



3. Bast stereome. 



6. Xylem. 



