J. M. Macfarlane. — Nepenthaceae. 



A & 



Fig. 5. Transverse Sections of Stern of N. Hookeriana Lindl. A Section of stein eleven aionths 

 old. B do. do. three years old. a cuticle; b epidermis, b' epid. hairs, c chlorophylloid cortex, 

 d flbrous cortex with embedded leaf-traces, e loose inner cortex, f endodermis, g outer peri- 

 cambial zone, g' (in B) cork and cork-cambium, h inner pericambial zone with abundant spiral 

 cells, i phloem, k xylem, k' xylem tracheids, k" spiral tracheae, k'" pitted vessels, / outer or 

 fibrous pith zone, m inner pith zone, n pith bundles. (Icon. orig. x 75°.) 



