— 49 — 



Navicula alpestris Grun. 



Navicula am/phigomphus Eh. 



Navicula anglica Ralfs. 



Navicula anglica var. subsalsa Grun. 



Navicula bacûlaris- Greg. 



Navicula Brebissonii Ktz. 



Navicula commutata Grun. 



Navicula cryptocephala Ktz. 



Navicula eus pi data Ktz. 



Navicula fasdafba Lag. 



Navicula f as data var. marcata Ost. var. nov. (PI. VIT 



fig.2) (1). 

 Navicula gentil is Donk. 

 Navicula gibba Eh. 

 Navicula gracillima Ralfs. 

 Navicula halophila Grun. 

 Navicula iridis Eh. 

 Navicula iridis var. undulata Grun. 

 Navicula limosa Ktz. 

 Navicula mesolepta Eh. 



Navicula mesotepta var. stauroneif orrais Grun. 

 Navicula nobilis Eh. 

 Navicula major Ktz. 

 Navicula menisculus Schum. 

 Navicula oblonga Ktz. 

 Navicula peregrina Heib. 

 Navicula pupula Ktz. 

 Navicula radiosa Ktz. 

 Navicula retusa Breb. 

 Navicula retusa var. subrecta Breb. 

 Navicula rupesiris Hantz. 

 Navicula silicula Eh. 

 Navicula silicula var. ventricosa Donk. 

 Navicula sphaerophora Ktz. 

 Navicula stauroptera Grun. 

 Navicula stauroptera var. interrupta Oleve. 

 Navicula subcaxpitata Greg\ 

 Navicula sublinearis Grun. 



(1) Voir pour la description le Travertin de Coudes, p. 122. 



Lu L I 3 R A R Y 



