— 173 



Melosira granulata Balfs. 



Melosira juergensii A g*. 



Melosira lineolata Gruii. 



Melosira minuta M. Per. 



Melosira moniliformis Ah. 



Melosira nivalis W. Sm. 



Melosira Ostrupii Herib. 



Meosira Eoeseana Eab. 



Melosira spouligera M. Per. 



Melosira spinuligera var. spinosissima M. Per. 



Melosira termis Ktz. (Crenulata v. tennis). 



Melosira tenuissima Grun. (crenulata v. tenuissima), 



Melosira Yarennarum M. Per. 



Melosira varians Ag. 



Meridion circulare Ag. 



Méridien constrictum Ealfs. 



Meridion Heribaudi M. Per. 



Navicula acrospliaeria Ktz. 



Navicula acrospliaeria var. saxdvice^sis A. Sch. 



Navicula af finis Eh. 



Navicula af finis var. amphirhynehus J. Br. 



Navicula alpestris Grun. 



Navicula alpestris var. minima E. d'Aub. 



Navicula ambigua Eh. 



Navicula ambigua var. capitata Ost. 



Navicula amphigomphus Eh. 



Navicula amjihirkynchus Eh. (af finis v. amphir.). 



Navicula amphisbaena Borg. 



Navicula anglica Ealfs. 



Navicula anglica var. subsalsa Grun. 



Navicula appendiculata Ktz. 



Navicula appendiculata var. brevis E. d'Aub. 



Navicula appendiculata var. irrorata Grun. 



Navicula atomoides Grun. 



Navicula atomus Grun. 



Navicula Aubertii Hérib. 



Navicula bacillaris Greg. 



Navicula bacillaris var. inconstantissima Grun. 



Navicula bacillaris var. thermalis Grun. 



Navicula bacillum Eh. 



Navicula bicapitata Lag. 



