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single large pyrenoid, pigment spot and 4 contractile vacuoles in the anterior end. Cells 3-4

µm in diameter and 6-7 µm long.
Accession No. CTR00054

5. Chlorella vulgaris Beyerinck [Beijerinck] (Pl. 1, Fig. F)
(Philipose 1967, pg.173, Fig. 82)

Phylum: Chlorophyta
Class: Trebouxiophyceae

Order: Chlorellales

Family: Chlorellaceae
Genus: Chlorella

Cells usually solitary and spherical. Chloroplast single, parietal-cup shaped and with a

pyrenoid. Cells 5-6 µm in diameter.
Accession No. CTR00055

6. Monoraphidium litorale Hindák (Pl.1, Fig. G)
(http://www.algaebase.org)

Phylum: Chlorophyta
Class: Chlorophyceae

Order: Sphaeropleales

Family: Selenastraceae
Genus: Monoraphidium

Cells unicellular not embedded in mucilage envelope. Cells straight to lunate to sigmoid or
helically twisted, often with elongate ends. Cell walls smooth, uninucleate. Chloroplast single

and parietal. Cells 2-182 µm long and 1-8 µm in diameter.
Accession No. CTR00056

7. Tetradesmus dimorphus (Turpin) M. J. Wynne (= Scenedesmus dimorphus (Turpin)

Kützing) (Pl. 1, Fig. H)

(Philipose 1967, pg. 249, Fig. 160)
Phylum: Chlorophyta

Class: Chlorophyceae
Order: Sphaeropleales

Family: Scenedesmaceae
Genus: Tetradesmus

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