CELLULOSE-PROTEIN COMPLEXES 



23] 



1 



-^^ 



>i 



Fig. 2. Three wall lamellae in Valonia ventricosa. Note the two abundant 

 sets of microfibrils lying almost at 90° to each other and a third, less abundant, 

 set lying obliquely. The lamellae are slightly torn. Shadowed Pd-Au. X22,500. 



