Of the Gentian family (Gentianaceae), the ague-weed (Gentiana quinquefolia).

Ague-Weed

Of the Gentian family (Gentianaceae), the ague-weed (Gentiana quinquefolia).

Of the Gentian family (Gentianaceae), yellow bartonia (Bartonia virginiana).

Yellow Bartonia

Of the Gentian family (Gentianaceae), yellow bartonia (Bartonia virginiana).

Of the Gentian family (Gentianaceae), the Centaurium pulchellum.

Centaurium pulchellum

Of the Gentian family (Gentianaceae), the Centaurium pulchellum.

Of the Gentian family (Gentianaceae), the Centaurium umbellatum.

Centaurium umbellatum

Of the Gentian family (Gentianaceae), the Centaurium umbellatum.

Of the Gentian family (Gentianaceae), the spiked centaury (Centaurium spicatum).

Spiked Centaury

Of the Gentian family (Gentianaceae), the spiked centaury (Centaurium spicatum).

Of the Gentian family (Gentianaceae), the Gentiana Porphyrio.

Gentian

Of the Gentian family (Gentianaceae), the Gentiana Porphyrio.

Gentiana amarella or the Autumn Gentian is a flowering plant from the family, Gentianaceae.

Autumn Gentian

Gentiana amarella or the Autumn Gentian is a flowering plant from the family, Gentianaceae.

Of the Gentian family (Gentianaceae), the bottle gentian (Gentiana Andrewsii).

Bottle Gentian

Of the Gentian family (Gentianaceae), the bottle gentian (Gentiana Andrewsii).

The Great Yellow Gentian (Gentian lutea) is a flowering plant in the Gentian family, Gentianaceae.

Great Yellow Gentian

The Great Yellow Gentian (Gentian lutea) is a flowering plant in the Gentian family, Gentianaceae.

Of the Gentian family (Gentianaceae), the smaller fringed gentian (Gentiana procera).

Smaller Fringed Gentian

Of the Gentian family (Gentianaceae), the smaller fringed gentian (Gentiana procera).

Of the Gentian family (Gentianaceae), the soapwort gentian (Gentiana Saponaria).

Soapwort Gentian

Of the Gentian family (Gentianaceae), the soapwort gentian (Gentiana Saponaria).

Of the Gentian family (Gentianaceae), the striped gentian (Gentiana villosa).

Striped Gentian

Of the Gentian family (Gentianaceae), the striped gentian (Gentiana villosa).

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae. The flowers and fruits illustrated are (1) olea, (2) fraxinus, (3) logania, (4) gentiana, (5) apocynum, and (6) vinca.

Orders of Oleaceae, Loganiaceae, Gentianaceae, and Apocynaceae

Pictured are the flowers and fruits of the orders oleaceae, loganiaceae, gentianaceae, and apocynaceae.…

Of the Gentian family (Gentianaceae), the rose pink (Sabbatia angularis).

Rose Pink

Of the Gentian family (Gentianaceae), the rose pink (Sabbatia angularis).

Of the Gentian family (Gentianaceae), the sea pink (Sabbatia stellaris).

Sea Pink

Of the Gentian family (Gentianaceae), the sea pink (Sabbatia stellaris).

Of the Gentian family (Gentianaceae), the Sabbatia gracilis.

Sabbatia gracilis

Of the Gentian family (Gentianaceae), the Sabbatia gracilis.