ELECTROX MICROSCOPY 



1739 



Fig. 37A.20. Uncoated Hibiscus chloroplast granum (marked 6), and grana first 

 smoothly coated (marked 8), and then deformed (marked 9) by silver deposits from 

 AgNOa (after Thomas, T'ost and Vertregt 1954). Micrograph marked 7 shows a heap 

 of grana overgrown with silver deposit. 



