3o8 THE STRUCTURE OF ECONOMIC PLANTS 



stomatal mother cell is surrounded by a few subsidiary or accessory 

 cells. A final division of the stomatal mother cell then produces 

 the two guard cells which subtend the stoma. (Fig. 154, £.) 



LITERATURE CITED 



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6. Golinska, H., "Einige Beobachtungen iiber die Morphologie und Anatomie 



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sativus, L." Unpubl. M.S. Thesis, Univ. of Chicago, 1932.- 



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9. KoNDo, M., "Uber die in der Landwirtschaft Japans gebrauchten Samen. I." 



Ber. Ohara Inst, fiir landw. Forsch. i: 161-178, 1918. 



10. Malinowski, E., "On the inheritance of some characters in the radishes." 



Comp. Rend. Soc. Sci. Varsovie p.- H. 7. 1916. 



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Wurzelgemiise und ihrer Fehler." Jahrh. Landw. Wiss. j: Nr. 5/6, 1918. 

 II. Moldenhawer, K., "Uber Artkreuzungen der Raphanus und Brassica." 

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Am. Jour. Bot. 16: 111-137, 1919. 



17. Sinskaja, E. N., "On the nature and the conditions of the formation of 



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McGraw-Hill Book Co., 1917. 



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