908 



IV. MAESILEACE-ffl. 



Pilutaria. Sporocarp 



emitting the mucilaginous 



inasB laden with macro- and 



micro- spores. 



Pihtlaria, 

 Vertical section of 

 Eporocarp (mag.)- 



Pilularia. 



Transverse section of 



sporocarp (mag,)« 



Marsilei sxhairix^ 



