title: CONCERNING THE FUNCTION OF RUBBER HYDROCARBON (CAOUTCHOUC) IN THE GUAYULE PLANT, PARTHENIUM ARGENTATUM A. GRAY.
authors.affiliation: BUREAU OF PLANT INDUSTRY, SOILS AND AGRICULTURAL ENGINEERING, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
authors.forename: H P
authors.initials: HP
authors.lastname: Traub