"Cycadeoidea dacotensis. Semi-diagrammatic sketch of a flower (bisporangiate cone), cut longitudinally; one sporophyll folded, and one (at the right) arbitrarily expanded. At the center is the apical, cone-shaped receptacle, invested by a zone of short-stalked ovules and inter-seminal scales. The pinnules of the sporophylls bear the compound sporangia (Synangia). Exterior to the flower are several hairy bracts." -Gager, 1916

Cycadeoid

"Cycadeoidea dacotensis. Semi-diagrammatic sketch of a flower (bisporangiate cone), cut longitudinally;…

"Cycadeoidea Wielandi. Longitudinal section through the axis of a female inflorescence, or cone. l, old leaf-base; d, insertion of disc; s, erect seed, borne at summit of seed-pedicle inserted on convex receptacle; b, hair covered bract." -Gager, 1916

Cycadeoid

"Cycadeoidea Wielandi. Longitudinal section through the axis of a female inflorescence, or cone. l,…