548 



Fig. 51. Ci/tfihella Tairensis no v. spec. 750 X- 



Fig. 52. ., Brtbi-^soniana no v. spec. 660 X' 



Fig. 53. - iinitans nov. spec. 1050 X- 



Fig. 54. Difiloma hiemnle (Lyngb.) Heib. 



Fig. 55. Fragilaria conslruens (Ehrcnb.) Griin. var. Venter Grun. 440 X et 1050 X- 



Libri atque abbreviationes, quibus in hoc opusculo 

 conscribendo usus sum: 



Bisset in .lourn. Koy. Micr. Soc. 1884 = J. P. Bisset, List of Desm. of Lake 



Windermere = J. P. Bisset, List of Desmidieae found in gatherings made 



in the neiglibourhood of Lake Windermere during 1883. Joarnal K. Micro- 

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 Boh I in, Die Alg. d. erst. Kegnelschen Exp. = Knut Bohliu, Die Algen der 



ersten Kegnelschen Expedition. I. Protococeoideen. Bihang till K. Sven. 



Vet.-Akad. Handling. B. XXIII. Stockholm 1897. 

 Boldt. Studier. = K. Boldt, Studior ofver SStvattensalger och deras Utbredning. 



II— III. Helsingfors 1888. 

 Borge, Siisswass.-Chlor. Gouv. Archang. = O. Borge, ^iisswasser-Chlorophy- 



ceen gesammelt von Dr. A. Osw. Kihiman im nSrdiichsten Kussland, Gou- 



vernement .\rchangel. Bihang till K. Sven. Vet.-Akad. Handling. B. XIX. 



Afd. III. Stockholm 1894. 

 Borge, Sibir. Chlor. =0. Borge, Ett litet Bidrag till Sibiriens Chlorophyllo- 



phyc^-Flora. Ibidem B. XVII. Afd. III. Nr. 2. Stockholm 1891. 

 Bor. et Flah. Kev. II, Kev. HI. = M. E. Bornet et Ch. Flahault, Revision 



de Nostocacees het^rocyst. contenues dans les principaux herbiers de France 



I— IV. Annal. Scienc. Nat. 1887, 1888. 

 BSrgesen. Symb. ad d. Bras. = F. Borgesen. Symbolae ad Horam Brasiliae 



centralis cognoscendam. Desmidieae. Vidensk. Meddel. fra den uaturh. For- 



ening. Kj5benhavn 1890. 

 Bzi., Morf. e Biol, delle alg. = A. Borzi, Note alia morfologia e biologia delle 



alghe ficocromacee. Nuovo Giornale Bot. Ital. 1878, 79 et 1882. 

 C'leve, Fini. Diat. = P. T. CI eve, The Diatoms of Finland. Acta Soc. pro 



Fauna et Flora Fenuica VIII. Nr. 2. Helsingfors 1891. 

 CI eve. Zygn. = P. T. Cleve, Fijrsok till en Monografi ofver de Svenska Ar- 



torna af Algfamiljen Zygnemaceae. Upsala 1868. 

 Cobn, Desm. liong. = F. Cohn, Desmidiaceae Bongoenses. Festschrift zur Feier 



des hundcrtjahrigen Bestehens der Xaturf. Ges. in Halle. Halle 1879. 

 Del p. = Delponte = J. B. Delponte, Specimen Desmidiaeearum subalpina- 



riim. Torino 1877. 

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rum. I>atavii Vol. I. 1899, Vol. II. 1891. 

 Eichler et (Jutw., De non. alg. nov. = B. Eichler et K. Gu twin ski, De 

 oonnuUi!* apeciebus algarum novarum (Cum 2-bu8 tabul.) Rozprawy Akad. 

 Umiej. Vol. XXVHl. Krakow 1894. 



