456 



JNDEX. 



gracilis Hass. 



repens Harv. 

 Microcystis Menegh. 



granosa Menegh. 



livida Menegh. 



mellea? Menegh. 



rupestris Menegh. 

 Microhaloa Kiitz. 



rupestris 

 Microspora Hass. 



crispata Hass. 



glomerata Hass. 

 Monema Berk. 



prostratum 

 MONOCYSTE^J 



MOUGEOTIA Ag. 



genuflexa Ag. 



glutinosa Hass. 



major Hass. 



parvula Hass. 



stritica 

 MONORMIA Berk. 



intricata Berk. 

 Myriodactylon Desv. 

 Miilleria Schrank 



Lunula Schrank 



N. 



NlTELLA Ag. - 



flexilis Ag. 

 gracilis Ag. 

 nidifica Ag. 

 translucens Ag. 

 NAVICULA Bory 



amphisbcena Ehr. - 

 arcus Ehr. 

 biceps ? Bory 

 ? bifrons Ehr. 

 geminata? Turp. - 

 f gibba Ehr. 

 gracilis Ehr. 

 Hippocampus Ehr. 

 incequalis Ehr. 

 lanceolata Ehr. 



