VEGETABLE CELLS. 



Onion Cell. B. Yeast. 



A. Onion cell : (a) Cell-wall : (b) Cytoplasm ; (c) Primordial utricle ; (d) Nu- 

 cleus; (e) Nucleolus; (f) Vacuoles. 



B. Yeast plant: (a) Single cell; (b) Cell wall; (c) Protoplasm; (d) Buds; (e) 

 Colony ; (f) Chain ; (g) Ascospores. 



A. Protococcus. B. Spirogyra. 



A. Protococcus: (a) Single cell; (b) Cell wall; (c) Chloroplasts ; (d) Cell di- 

 vision; (e) Groups of three, four, six, etc.; (f) Zoospores; (g) Flagella. 



B. Spirogyra: (a) Single cell; (b) Cell wall; (c) Spiral of chloroplasts ; (d) 

 Nucleus; (e) Pyrenoids; (f) Starch granules ; (g) Cell division ; (h) Conjugation. 



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