00892cam a22002291 4500 agr21000707 DLC 20260227110942.0 771003s1921 dcua f001 0 eng c agr21000707 (OCoLC)3314477 U.S. Dept. of agr. Library MnStpeG OCoLC DLC premarc QK1 .U5 vol. 20, pt. 10 Blake, S. F. (Sidney Fay), 1892-1959. Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia, by S. F. Blake. Washington, Govt. print. off., 1921. v, 383-436, vii-viii p. pl. 23 25 cm. Smithsonian institution. United States National museum. Contributions from the United States National herbarium, v. 20, pt.10 "Bulletin of the United States National museum." Compositae Classification. 8736 8736