FIGURES 1–8. Line drawings. 1. Cosmarium boeckii var. areolatum 2. C. clepsydra var. incrassatum 3. C. heptangulare 4. C. kanetsunae 5. C. pygmaeum 6. C. trinodulum 7. C. trinodulum var. brasiliense 8. C in Taxonomic notes on some Cosmarium species (Desmidiaceae, Zygnematophyceae) from Brazil

FIGURES 1–8. Line drawings. 1. Cosmarium boeckii var. areolatum 2. C. clepsydra var. incrassatum 3. C. heptangulare 4. C. kanetsunae 5. C. pygmaeum 6. C. trinodulum 7. C. trinodulum var. brasiliense 8. C. trinodulum var. pilgeri.