[aAKRisoN A B VRLow] NODULE ORGANISM OF THE LEGUMINOSAE 20S 





19. Ps. radicicola, from a nodule of Vicia villosa. Plant grown in quartz, aslies 

 and water in a flaslv. 



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 20. Ps. radicicola, from a nodule of Vicia villosa. 



