Plate XI It. 



FIG. 26. Fig. A. Transect ion of le:if, Pimm xj/fivxfn'*. A, A, stomates: K. thick- 

 ened epidermis; C. C, inter-cellular space beneath stoinate; I), mesophyll of tin- 

 leaf; E, thick-walled cells beneath the epidermis: K, guard cells of the stmnale. 

 (\250.) 



Fig. B. Transect ion through the leaf of Cycdx repoiutd A, opening or pore of 

 thestomate: B, modified epidermal cells: (', ^ruard cells of the stoinate: l>. inter- 

 cellular space into which the stomate opens; K. parenchyma cells of the niesophyll 

 of the leaf; F, epidermal cells with strongly cutini/.ed walls. (.\250). 



