Flora of the Dakota Group

Abth acuminate affinity anastomosing angle of divergence apex Aralia Arct areolation base basilar Betulites Westii borders branches broad camptodrome Cenomanian characters Cissites craspedodrome Crataegus Cret cretacea Cretaceous Dakota Group decurring Delphos dentate described distant E. P. West Ellsworth County enlarged entire equidistant Ficus figured by Heer flora Fort Harker Foss fossil fragment genus Geological Habitat Harker Heer lanceolate lateral nerves lateral primaries Laurus leaf leaflets Leaves coriaceous Leguminosites Lesq Lesquereux Liriodendron lower lowest pair median nerve middle midrib Miocene narrowed nervation nerve thick nervilles Newb northeast of Delphos oblique obtuse pairs of secondaries palmately parallel Patoot petiole Phyllites pinnules Platanus PLATE Price 10 cents primary nerves Prof Protophyllum Quercus R. D. Lacoe represented right angles rounded Sapindus Sassafras Sézanne short petiole species specimens subcoriaceous supra-basilar Tert Tertiary thin U. S. National Museum University of Kansas upper Viburnum