152 KAARE MÜNSTER STRØM. 



tum, undulatum, depressum, humile, telraophtalmum, Staurastrum 

 polymorphum, Desmidium Swartzii, quadratum, Oocystis solitaria, 

 Bulbochæte sp. 



26. Elevation 3000 feet. July 10. 1919. 35 spedes. 

 In a brook. 



Zygnema sp., Mougeotia sp., Closterium Venus, Euastrum 

 elegans, Cosmarium læve, subarctoum, Phaseolus, humile, Blyttii, 

 tetraophtalmum, granatum, subcrenatum, Staurastrum punctu- 

 latum, margaritaceum, Ghodatella sp,, Bulbochæte sp. 



27. Elevation 3000 feet. July 12. 1919. 56 species. 

 „Kovstulvatn." 



Mougeotia sp., Euastrum denticulatum, binale, elegans, biden- 

 tatum, Cosmarium quadratum, Phaseolus, subprotumidum, subtu- 

 midum, pseudopyramidatum, venustum, amoenum, tetraophtal- 

 mum, margaritiferum, punctulatum, Tuddalense, undulatum, 

 Staurastrum teliferum, polymorphum, dilatatum, Binuclearia 

 tatrana, Goleochæte pulvinata, Oedogonium sp., Tabellaria 

 fenestrata, flocculosa. 



28. Elevation 2900 feet. June 24. 1919. On damp 

 earth. 



Zygnema ericetorum. 



29. Elevation 2900 feet. June 24. 1919. On damp 

 earth. 



Zygnema ericetorum. 



30. Elevation 2700 feet. July 14. 1919. 4 species. 

 On wet rocks. 



Scytonema mirabile, Cosmarium decedens. 



