[HARRISON & BARLOW] NODULE ORGANISM OF THE LEGUMINOSAE 197 



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11. Ph. rndicicola, from a nodule of Lathyrus sativiis. Showing rodlike cells 

 and no branclied forms. 



12. P.t. raflicicola, from a nodule ui' I'isuiii sativum. Preparation shows relat- 

 ivelv few bacterial cells, and these branched with banded protoplasm. 



