[HARRISON & BARLOW] NODULE ORGANISM OF THE LEGUMINOSAE 223 



35. Vicia villosa. Plant I grown in ash-maltose-agar. The germinated seed 

 free from bacteria was planted Jan. 1, 1905. The surface of the agar 

 was inoculated Jan. 7, with a pure culture of Ps. radicicola from Vicia 

 villosa. Growth vigorous for 4 months. Photo. April 27. 1905. 



