Sunflower Spe- cies of the United States. 1982. 150 coloured photographs. 20 distrib. maps (dot maps). 75 p.4to. Cloth.

Contents: Introduction/ Section Annui/ Section Ciliares: Series Ciliares/ Section Ciliares: Series Pumili/ Section Divaricati: SeriesAngustifolii/ Section Divaricati: Series Atrorubentes/ Section Divaricati: Series Divaricati/ Section Divaricati: Series Gigantei/Section Divaricati: Series Microcephali/ Miscellaneous Sunflowers/Appendix (Table 1: Cross compatibility of Sections Annui and Ciliaressunflower species/ Table 2: Cross compatibility of Section Divaricatisunflower species/ Table 3: Oil content and fatty acid composition forseeds from selected sunflower species/ Table 4: Relative resistance ofsunflower species to four insect pests that attack cultivated sunflower/Table 5: Growth, habitat, and survival data for Helianthus species/Table 6: Sunflower species distribution by states)/ Suggested Reading/Glossary/ Index (Scientific Names/ Common Names)/ Metric ConversionTable.