Freshwater Algae and Diatoms 



47 a 



Plate II. 



nm/mftmumi 



8M»r,."-rr» ui...JLUj^ 



Fig. 1. Large lake at Konganevik, Camden bay. Note the broad belt in the foreground of aquatic 

 flowering plants. July, 1914. Photo F. Johansen. 



Fig. 2. Pond overgrown with Hippuris, Eriophorum, Carex, etc., inland on Herschel island, 

 from this swamp that the comparatively rich desmid flora was secured. July, 1916. 

 F. Johansen. 



It was 

 Photo 



