PLATE 114 



6 



Spiny Walled Pollen Grains 



Anthemis (Anthemis nobilis, L.). 

 Arnica (Arnica montana, L.). 

 Calendula (Calendula officinalis, L.). 

 Cassia flowers. 



American saffron (Carthamus tinctorius, L.). 

 Blue malva flowers (Malva sylvestris, L.). 



