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PHARMACEUTICAL BOTANY 
Fig. 66. — Ps. radicicola. i, From Melilotus alba; 2 and 3, from Medicago sativa; 
4, from Vicia villosa. ( Marshall, after Harrison and Barlow from Lipman.) 
Fig. 67.—Tubercular clusters on underground stem and roots of Myrica Mac- 
farlanei observed by the author at North Wildwood, N. J., Jan. 31, 1915. 
