PLATE LII. 



Gxrtneria deltoidea Torr. 



Fig. 42. Showing cross section of leaf with palisade tissue going 

 through from one epidermis to the other, x 2300. 



Fig. 43. Showing cross section of leaf with storage parenchyma cells 

 containing chloroplasts, at o. 



Fig. 44. Showing cross view of xylem tissue of leaf, x 2300. 



Fig. 45. Showing modified stone cells found in cross section of leaf 

 infected by fungal growth. 



Fig. 46. Cross view of leaf, showing palisade tissue, a, abutting on 

 a vein; 6, thick-walled water-storage parenchyma. 



