io8 



LILIACE.E 



FIG. 29. Sarsaparilla, Honduras-pCross- 

 sectionof root. (iSdiam.) A, Epidermis. 

 B, Parenchyma of cortex. C, Endodermis. 

 D, Wood parenchyma and fibers. E, 

 Medulla. F, Water tube (Photomicrograph.) 



FIG. 30. Sarsaparilla, Jamaica Cross-sec- 

 tion of root. (21 diam.) A, Epidermis. B, 

 Parenchyma of cortex. C, Endodermis. D, 

 Wood parenchyma and fibers. E, Medulla. 

 F, Water tube. G. Phloem. (Photomicro- 

 graph.) 



H 



FIG. 31. Sarsaparilla Mexican Cross-section of root. (32 diam.) A, Root hairs. B, Cork. 

 C, Parenchyma of cortex. D, Endodermis. E, Wood parenchyma and fibers. F, Water tube. 

 H, Phloem. (Photomicrograph.) 



