...labelled by Regel in the preparation of his monograph on the Betulaceae in DeCandolle's Prodromus.* The material in the United States National Herbarium and in the Herbarium of the Geological Survey Department of Canada has been generously loaned by Messrs. FV Coville and JM Macoun,...

...PRINTING OFFICE 1909 BULLETIN OF THE UNITED STATES NATIONAL MUSEUM • ISSUED MAKCH 23, 1909 n PREFACE. The accompanying paper by AS Hitchcock, Systematic...States National Herbarium and in the herbarium of the Estacion Central Agronomica de Cuba. It was chiefly through the efforts of Mr. Carl F. Baker, who obtained...

...PRINTING OFFICE 1915 BULLETIN OF THE UNITED STATES NATIONAL MUSEUM. ISSUED JULY 24, 1916. PREFACE. The accompanying paper by AS Hitchcock, Systematic...Agrostologist of the United States Department of Agriculture, and Agnes Chase, Assistant Agrostologist, is supplemental to a revision of the genus Panicum published...