An illustration of a longitudinal section view of a disk-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle) is a small annual flowering plant in the family Asteraceae, native to Europe.

Disk-floret of a Cornflower (Longitudinal

An illustration of a longitudinal section view of a disk-floret of the cornflower. Centaurea cyanus…

Common morel is the common name of morchella esculenta. The stem is one to three inches high and the cap is two to three inches across. It's color varies from yellow to ash gray. It is used for culinary purposes in either a fresh or dried state.

Longitudinal Section of Morchella Esculenta

Common morel is the common name of morchella esculenta. The stem is one to three inches high and the…

"A rose, longitudinal section." -Bergen, 1896

Rose Section

"A rose, longitudinal section." -Bergen, 1896

An illustration of a longitudinal sectional view of the valerian flower. Valerian is a hardy perennial flowering plant, with heads of sweetly scented pink or white flowers. The flowers are in bloom in the northern hemisphere from June to September. Valerian was used as a perfume in the sixteenth century.

Valerian Flower (Longitudinal Section)

An illustration of a longitudinal sectional view of the valerian flower. Valerian is a hardy perennial…