43 



M itzschia navicularis fBréb.) Grun 



— punctata (Sm.) Grun, 



— — var. elongata Grun. 



— Tryblionella Hantzsch. . 



— — var Levidensis ( W.Sra. 



V. H 



— — var. calida (Grun.) V. H 



— — — liltoralis Grun. 



— angustata (VV. Sm.) Grun. 

 var. curta Grun. 



— debilis (Arn.) Grun. . 



— hungarica Grun. . 



— apiculata (Greg ) Grun. 



— circurasuta (Bail.^ Grun. 



— dubia W. Sm. 



— thermalis (Kûtz.) Grun. 



— — var. minor V. H. 



— — — intermedia Grun. 



— denticula Grun. . 



— — var. Delognei Grun. . 



— sinuala (W. Sm.) Grun. 



— — var. Tabellaria Grun. 



— paradoxa (Gmel.) Grun. 



— angularis W. Sm. . 



— spathulata Bréb. 



— — var. hyalina V. H. . 



— dissipata (Kûtz.) Grun, . 

 var. média Grun.. 



— sigmoidea (Ehr.) W. Sm. 



— vermicularis (Rûlz.) Grun 



— Brebissonii W. Sm. 



— sigma W. Sm. ... 



— — var. intercedens Grun. 



— — -- rigidula Grun. 



— — — curvula (Ehr.) Brun. 

 — pusilla Grun. 



— fasciculala Grun. 



— obtusa W. Sm. . 



— — var. brevissima Grun. 



— — — scalpelliformis Grun 



— spectabilis (Ehr.) Ralfs. 



— linearis (Ag.) W. Sm. 



— — var. tenuis Grnn. 



— vitrea Norman ... 



— — var. salinarum Grun. 

 var. recta (Hantz.) 



— lanceolata W. Sm. . 



— var. incrustans Grun. 



— snbtilis Grun. 

 var. paleacea Grun 



— intermedia Hantz. . 



F.Oc. Fr.Or. Br, Ht Anv. Nam. Lb. Lg. Lyg 



_ f 



_ I 



