[HARRISON .k lîARLOw] NODULE ORGANISM OF THE LEGUMINOSAE 193 



A 



radicicola, from a nodule of Medicago sativa showing rods and branched 

 forms. 



'f 





yi 



4* 



f^ 



» 



^ 



J 



8. Ps. radicicola, from a nodule of Trifolium pratense. Note irrogular stainini 

 of protoplasm. 



