496 0. Chr. Schmidt: Algen 1914—1919. [150 



Nitzschia moissacensis var. Heideni Meister, Arch. f. Hydrobiol. u. Plank- 



tonk. 9, 1914, p. 229, Taf. VIII, Fig. 10. — Japan: Tokyo. 

 N. mucronata Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 50, 



pl. V, 74. — Island. 

 N. Romana (Griin.) Mayer, Kryptogam. Forsch. 2, 1917, p. 127 (= N. palea 



var. Romana Grün.). 

 Pinnularia alpina W. Sm. var. linearis Oestrup, in Rosenvinge-Warining, Bot. 



of Iceland 2, 1918, p. 33, pl. III, 49. — Island. 

 P. appendiculata (Ag.) Cl. var. silesiaca Hust., Arch. f. Hydrobiol. u. Planktonk. 



10, 1915, p. 141. — Deutsches Reich. 

 P. borealis Ehrb. var. brevicostata Hust. 1. c. p. 146. — Deutsches Reich. 

 P. Branden Cleve var. linearis Oestrup, in Rosenvinge-Warming, Bot. of Ice- 

 land 2, 1918, p. 34, pl. III, 52. — Island. 

 P. brevicostata Cleve var. islandica Oestrup 1. c. p. 35, j)!. III, 54. — Island 

 var. subcapitata A. Cleve-Euler, Ark. f. Bot. 14, Xr. 9, 1915, p. 30, 

 pl. 2, 34. — Finnland. 

 P. bryophila Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 32. 



pl. III, 46. — Island. 

 P. carelica Cleve var. stauroneiformis Hust., Arch. f. Hydrobiol. u. Planktonk. 



10, 1915, p. 145. — Deutsches Reich. 

 P. clipeata A. Cleve-Euler, Ark. f. Bot. 14, Nr. 9, 191.5, p. 32, pl. 2, 38. — 



Finnland. 

 P. cuneata (Oestr.) var. constricta A. Cleve-Euler, 1. c. p. 31, pl. 2, 37a — ^b. — 



Finnland. 

 P. densestriata Oestrup, in Rosenvinge-Warmink', Bot. of Iceland 2, 1918, p. 34, 



pl. III, 53. — Island. 

 P. diver gens W. Sm. f. linearis Fontell, Ark. of Bot. 14. Xr. 21, 1917, p. 36, 



pl. 1, 9. — Schweden. 



var. japonica Meister, Arch. f. Hydrobiol. u. Planktonk. t>, 1914. 



p. 229, Taf. VIII, Fig. 8—9. — Japan: Tokyo, 

 var. truncata A. Clever-Euler, Ark. f. Bot. 14, Xr. 9, 1915, p. 28. 

 pl. 2, 29. — Finnland. 

 P. divergentissima Grün. var. capitata Fontell 1. c. 14, Xr. 21, 1917, p. 35, 



pl. 1, 7. — Schweden. 

 P. episcopalis Cl. var. robusta Fontell 1. c. p. 37, pl. 1, 10. — Schweden. 

 P. gigantea Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 37, 



pl. IV, 58. — Island. 

 P. gracillima Greg. var. interrupta Fontell, Ark. f. Bot. 14, Xr. 21, 1917, p. 33, 



pl. 2, 45. — Schweden. 

 P. interrupta W. Sni. var. amphirhynchus A. Cleve-Euler 1. c. 14, Xr. 9, 1915, 



p. 27, pl. 1, 24. — Finnland. 

 P. islandica Oestrup, in Rosenvinge-Warming, Bot. of Iceland 2, 1918, p. 32, 



pl. III, 4, 7. — Island. 

 P. jemtlandica Fontell, Ark. f. Bot. 14, Xr. 21, 1917, p. 36, pl. 1, 8. — 



Schweden. 

 P. legumen Ehrb. var. longa A. Cleve-Euler, 1. c. 14, Xr. 9, 1915, p. 27, 



pl. 1, 25. — Finnland. 



f. interrupta A. Cleve-Euler 1. c. p. 28. — Finnland. 

 P. leptosoma (rrun. var. undulata Oestrup, in Rosenvinge-Warming, Bot. of 



Iceland 2, 1918, p. 30, pl. III, 44. — Island. 



