se 
Structural and Physiological B otany. 
340 
Vascu- 
II. course of the vascular ‘ 
/ 
bundles cf /zzs in longitudinal section (diagrammatic). 
i= 
WO 
o epidermis, with a stoma sf; R cortex ; v thickening-ring with the outer 
Fic. 460.—I. Part of a transverse section through the stem of 7vadescantia Selloi ; 
lar bundles g’; g” inner vascular bundles (x 75); 
