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Creeping; leaves somewhat rigid, repand, deeply lobed; lobes rounded, submucronate, the lower appressed, the upper convex with incurved apex; perianth ovate, denticulate.

Leaves.—Alternate; elliptic to oblong; denticulate or entire; leathery; one to four inches long; six to eighteen lines wide.

Beak incurvated as if broken, denticulate; feet webbed: 1 species.

Barbellate, said of the bristles of the pappus of some Composit� when beset with short, stiff hairs, longer than when denticulate, but shorter than when plumose.

Pelvic plate bearing three anteriorly diverging apophyses, and one denticulate ventromedian process for articulation to opposite plate.