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Hyalotheca (Charophyceae)

Hyalotheca sp.
Broad mucilaginous sheath is evident.
Modified from an image posted at lifesciences.napier.ac.uk

H. dissiliens
Broad mucilaginous sheath is evident.
Modified from an image posted online

H. dissiliens
Spikey rays are part of the mucilaginous sheath secreted from pores in cellulose outer wall.
Modified from an photographby John Kinross posted online

Hyalotheca sp. from Winkley Pond, Lee, NH USA
Gelatinous sheath is evident

Hyalotheca sp. from Swains Pond, Barrington, NH USA
Gelatinous sheath is evident

Hyalotheca sp. from Swains Pond, Barrington, NH USA
Gelatinous sheath is evident

Hyalotheca sp. from New Hampshire USA
Gelatinous sheath is present but inconspicuous in this photograph

Hyalotheca sp., upper image purposely underexposed by NU, student of entomology to reveal wide gelationous sheath. Photographs by NU posted online

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