149 



Nitzschia communis Rab. var. abbreviate* Grun. 



NitzscTiia denticula Grun. 



Nitzschia dis<sipata Grun. 



Nitzschia dubia W. Sm. 



NitzscTiia fonticola Grun. 



Nitzschia frustulum Grun. 



Nitzschia frustulum var. minutula Grun. 



Nitzschia hungarica Grun. 



Nitzschia hungarica var. linearis Grun. 



Nitzschia Eittlii Grun. 



Nitzschia lanceolata W. Sm. 



Nitzschia lanceolata a minima V. H. 



Nitzschia lanceolata var. INCRUSTANS Grun. Nouveau 



pour la region. 

 Nitzschia linearis W. Sm. 



Nitzschia microcephala Grun. - - Nouveau pour la region 

 Nitzschia minutula Grun. 

 Nitzschia obtuta W. Sm. 

 Nitzschia olttusa var. nana Grun. 

 Nitzschia palea W. Sm. 



Nitzschia PERMINUTA Grun. Nouveau pour la region. 

 Nitzschia SIGMA W. Sm. - - Nouveau pour la region. 

 Nitzschia SIGMA var. SIGMATELLA Grun. - - Nouveau pour la 



region. 



Nitzschia sigmoidea W. Sm. 

 Nitzschia spectabilis Half. 

 Nitzschia thcrmahs Auers. 

 Nitzschia thermalis var. intermedia Grun. 

 Nitzschia tryblionella Hantz. 

 Nitzschia tryblionella var. SALINARTIM Grui^. Nouveau 



pour la region. 

 Nitzschia vitraea Norm. 

 Nitzschia vitraea var. gallica M. Per. 



Pleuro.ngma attenuafum Grun. 

 Pleurosigma Spencerii W. Sm. 

 Pleurosigma Spencerii var. Amottii Grun. 

 Rhoicosphenia curvata Grun. 

 Rhoicosphenia Van Heurckii Grun. 

 Rhopalodia fjibba 0. Mull. 

 Rhopalodia gibba var. rentricosa 0. Mull. 

 Rhopalodia gibberula 0. Mull. 



