Non-filamentous desmids have the ability to move slowly by means of directed jelly secretion. Secration can take place at the nobs you see on the cell surface. Depht of focus approach can show cell surface together with folded chloroplasts and cell contour. Scale bar indiicates 25 µm. In ZIP archive there are more DOF pictures. Picture generated from 5 shots using CombineZ by Alan Hadley. Sample from spagnum pond Dosenmoor near Neumuenster (Schleswig- Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
Empty cell wall from Tetmemorus spec. Pores are clearly visible. Sample from sphagnum pond Dosenmoor near Neumuenster (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.