[-HARRISON A BARLOW] NODULE ORGANISM OF THE LEGUMINOSAE 203 



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17. P.«. rr/*/(V/(fj/«, from a nodule of Phaseolus vulgaris. Small rod-shaped cells. 



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18. Ps. radhicola, from a nodule of Vicia villosa. Plant grown in flask I. Jan. 

 1, 1905, t(o May 31, 1905. 



Sec. IV., 1906 15 



