149] Diatomeae. 495 



N. laeta Mayer, Kryptogani. Forscli. 4, 191!>, [>. 212, Taf. VII, 59. — Deutsches 



lieich. 

 N. latissima Greg. var. grandis A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 1915, 



p. 2.1, pl. 1. 21. — Finnland. 

 N. Lyra Klir. var. islandicü Oe>^trup. in Ro.senvinge-Warmino;, Bot. of Iceland 



I, 191S, j). 3(JU, pl. I, 10. — Island. 

 N. lyrigera Oestrup 1. c. 2, 1918, p. 27, pl. III. 38. — Island. 

 N. (Pinnidaria) madagascarensis Fritsch, Ann. biol. lacu.stre 7, 1914, p. 55, 



pl. 1, 9. — Madagascar. 

 N . Ostenieldii Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 27, 



pl. III, 39. — Island. 

 N. peregrina Elirb. var. upsaliensis (Grün.) Mayer, Kryptogani. Forsch. 2, 



1917, p. 125 (= N. upsaliensis Grün.). 



N. pinniilarioides Oe.strup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, 



p. 27, pl. III, 40. — Island. 

 N. problematica A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 1915, p. 20, pl. 4, 78. — 



Finnland. 

 N. protracta Küstner, Kleinwelt 6, 1914, Taf. X, Fig. 13 in. 

 N. pygmaea Kntz. var. linearis A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 1915, 



p. 2«i. — Finnland. 

 N. semifasciata Oestrup, in Rosenvinge-Warming, Bot.of Iceland 2, 1918, p. 28, 



pl. III, 41. — Island. 

 N. spatiata Oestrup 1. c. p. 28, pl. III, 42. — Island. 

 N. Tlüngvallae Oestrup 1. c. p. 29, pl. III, 43. — Island. 

 N. Toülaae Fant. var. capitata Fonteil, Ark. f. Bot. 14, Xr. 21, 1917. p. 32, 



j)l. 1, 5. — Schweden. 

 N. (Diadesmis) truncata A. Cleve-Euler, 1. c. 14, Nr. 9, 1915, p. 21, ]•]. 4, 80a— c. 



— Fiiniland. 



Neidinm affine (Ehrb.) Cleve var. amphirhynchus (Elirb.) Cleve f. undulata 

 Ilu,-t., Arch. f. Hydrobiol. u. l'lanktoiik. 10, 1915, p. 13H. — Enlen- 

 gebirge . 



N. dubium Ehrb. f. maior Fontell, Ark. f. Bot. 14, Nr. 21, 1917, p. 13, pl. 2, 31. 



— Schweden. 



var. ciineata Fontell 1. c. p. 14, pl. 2, 32. — Schweden. 

 N. incurvum ((iregory) Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 



1918, ]). 8 (= Navicnla inciirva Greg.). 



N. viridis (Ehrb.) Cl. var. maxima Hust., Arch. f. Hydrob. u. Planktonk. 10, 



1915, p. 137. — Deutsches Reich. 

 N. islandiciim Oestru]», in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 8, 



pl. I, 0. — Island. 

 TV. lineare Oestrup, 1. c. p. 8, pl. I, 7. — Island. 

 N. panduriiorme Oestrup 1. c. p. 8, pl. I, 8. — Island. 

 yv. productum var. constrictum Hust., Arch. f. Hydrobiol. u. iManktonk. 10, 



1915, p. 137, Taf. II, Fig. 42. — Deutsches Reich. 

 N. tenellum Mayer, Kryptogani. Forsch. 4, 1919, p. 212, Taf. VI, 48, — 



Deutsches Reich. 

 Nitzschia islandica Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, 



p. 3(58, pl. I, 13. — Island. 

 N. Jönssoni Oestrup 1. c. p. 47, pl. V, 72. — Island. 

 N. glaberrima Oestrup 1. c. p, 49, pl. V, 73. — Island. 



