Magnolia glauca

Possibly engraved by W. B. Annin or Annin and Smith from a drawing by Jacob Bigelow(?).Colored engraving of a flowering branch of Magnolia glauca or Small Magnolia (Figure 1) with the "fruit and seeds" (Figure 2), "Stamen magnified" (Figure 3), and "A germ and style ditto" (Figure 4)