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.

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

Bottle Gentian

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

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).

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.