PLATE XLVIII. 



Geertneria deltoidea Torr. 



Fig. 23. Cross section, stem, from epidermis to pith region, showing 

 at a, epidermis; at b, collenchyma; at c, thin-walled parenchyma; at d, 

 bast fiber; at e, phloem; at /, xylem; at g, pith. 



Fig. 24. Cross section of epidermis of young stem, showing chloro- 

 plasts. X 2300. 



Fig. 2.5. Longitudinal section, collenchyma tissue X 560. 



Fig. 26. Cross section, collenchyma tissue X 575. 



Fig. 27. Cross section, stem, showing hairs. X 560. 



Fig. 28. Showing odd forms of hairs found on epidermis. X 530. 



Fig. 29. Longitudinal section of stem epidermis. X 560. 



