148 -* 



Navicula atomus Grun. 



Navicula bicapitata Lag. 



Navicula borealis Ktz. 



Navicula Brebissonii Ktz. 



Navicula Brebissonii var. subproducta Grun. 



Navicula cincta Eh. 



Navicula cincta var. Heu fieri Grun. 



Navicula diver gens W. Sm. 



Navicula dubia Eh. 



Navicula gentilis Donk. 



Navicula HILSEANA Jan. - - Nouveau pour la region. 



Navicula IXAEQUILATERA Lag. - - Nouveau pour la region. 



Navicula KUTZINGIANA H. L. Sm. Nouveau pour la re- 



gion. 



Navicula lata Breb. 



Navicula legumen Eh. 



Navicula major Ktz. 



Navicula mesolepta Eh. 



Navicula mesolepta var. Alberti Herib. 



Navicula mutica Ktz. 



Navicula mutica var. Goeppertiana Grun. 



Navicula mutica var. quinquenodis Grun. 



Navicula notata M. Per. 



Navicula oblonga Ktz. 



Navicula radio sa Ktz. 



Navicula retusa Bre 1 . 



Navicula sculpta Eh. 



Navicula slesvicensis Grun. 



Navicula sphaerophora Ktz. 



Navicula stauroptera Grun. 



Navicula subcajntata Grun. 



Navicula subcapitata var. paucistriata Grun. 



Navicula subcapitata var. stauroneiformis Grun. 



Navicula viridis Ktz. 



Navicula viridis var. commutata Grun. 



Navicula viridula Ktz. 



Nitzschia amphibia Grun. 



Nitzscliia ANGULABIS W. Sm. - - Nouveau pour la region. 



Nitzscliia ANGULARIS var. af finis Grun. 



Nitzschia bilobata W. Sm. 



Nitzschia commutata Grun. 



