66 



COMPENDIUM OF GENERAL BOTANY. 



FIG. 39. Cross-section of the stem of Scirpus ccespitosiis. 

 (After Haberlandt.) 



B 



FIG. 38. Mechanical 

 cells in cross (B) 

 and longitudinal 

 section (A). 

 (After Haberlandt.) 



FIG. 40. Bast-ring of the stem of Molinia ccerulea. 

 (After Haberlandt.) 



FIG. 41. Mid-rib of the leaf of Zea 



(After Haberlandt.) 



FIG. 42. Transverse section of the 



rhizome of Carex glauca. 



(After Haberlandt.) 



