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THE SPORANGIA OF A FERN 



An enlarged view showing the little cases 

 which contain the spores 



A FERN SPORANGIUM 



(Enlarged) 



A MUCH ENLARGED 

 SPORANGIUM 



In the act of bursting to expel 

 the spores 



BABY FERN WITH PROTHALLUS 



(Slightly larger than life size) 



