Cells lack organelles (although vesicles may be present); cells generally small and blue-green (although may have secondary red pigment
4. Please select colony type.
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Colonies attached to substrate in single layer of cells of widely varying size
Xenococcus -
Colonies are gelatinous and strongly lobed, containing numerous cells, which are located near the colony surface.
Placoma -
Cells closely appressed, arranged in an extensive, orderly, flat sheet
Merismopedia -
Cells usually not spherical, occurring in pairs or tetrads surrounded by jelly
Chroococcus -
Colonies of cells with concentric rings of jelly. Jelly is often red in colour
Gloeocapsa -
Cells small, irregularly dispersed in homogeneous jelly
