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Visual inspection of the ruthenium red-stained seed mucilage of five myxospermous species (Arabidopsis thaliana, Linum usitatissimum, Salvia hispanica, Plantago ovata and Plantago cunninghamii) after sequential fractionation shows that the size of the mucilage envelope is sequentially changed corresponding to removal/dispersion of constituent polysaccharides. Note that images are not taken of the same seed as each seed was disposed of after imaging. Scale = 1 mm
