Front matter

Transcriber’s Note:

New original cover art included with this eBook is granted to the public domain.

U. S. DEPARTMENT OF AGRICULTURE.

BUREAU OF PLANT INDUSTRY—BULLETIN NO. 107.

B. T. GALLOWAY, Chief of Bureau.

AMERICAN ROOT DRUGS.

BY

ALICE HENKEL,

Assistant, Drug-Plant Investigations.

Issued October 25, 1907.

WASHINGTON:

GOVERNMENT PRINTING OFFICE.

1907.

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