126 STNGENESIA, -EqUALIS. 



said to be scarcely distinct from Hieraciiim. In this ferns 

 the leaves appear to be uniformly pinnatifid, or more or 

 less laclniated; scapes or stems irregularly branched or 

 subcorymbose; scales of the calix mostly embracing- the 

 marginal seeds, so as to render them obtusely carinated. 

 Species. 1. B. carotiniana. Leontodon carolinianvm. Wal- 

 ter, p. 192. Scorzonera pmnatijida. Mich. 2. p. 89- Chow 

 drilla lavigata. Ph. 2- p. 497. Leaves lanceolate, acute, 

 laciiiiate, subpinnatifid, or nearly entire, smooth; stem 

 erect, about 3-flo\verec], peduncles very long; calicle short 

 and subulate. Hab. From Virg^inia to Florida, common; 

 iiowers bright citron yellow, and about the size of Apar- 

 gia autumnalis. Obs. Root perennial. Stems scapoid, 

 nearly solitary, 6 to 12 inches high (including the pedun- 

 cles), smooth and grooved. Leaves smooth, sometimes 

 pubescent on the margin, primary ones long, linear, and 

 nearly entire, or irregularly dentate, succeeding and ses- 

 sile cauline leaves, pinnatifidly laciniated, segments very 

 acute. Peduncles 6 to 10 inches long, and nearly naked. 

 Calicle small and spreading. Calix often a little pubescent, 

 formed of a single series of ligulate leaflets, from 12 to 

 18 in number, grooved in the fruit, and finally reflected. 

 Flosculi very numerous. Receptacle naked. Pappus pi- 

 lose, stipitate. Seed dark grey, incurved, attenuated 

 above; 5-ribbed, and transversely rugose^ the 3 dorsal 

 ribs much smaller than the others. 



'533. KRIGIA. WUldenow, 



Calix many-leaved, simple. Receptacle naked, 

 Papjms double, external membranaceous 5 or 

 8-Ieaved, interior about 5, 8, or 24 scabrous 

 seta. 



Small annuals; scapes 1 or more flowered, rarely cau- 

 lescent; leaves lyrate, runcinate, or entire, mostly glaucous; 

 calix 8 to 12-parted, naked. 



Species. 1. K. lirginica. Glaucous; primary leaves 

 roundish, entire, the rest lyrate and nearly smooth; scape 

 1-flowered, smooth, at lengtii longer than the leaves; calix 

 smooth. Hab. Common in arid and sandy soils; — Often 

 minute; flowers orange-yellow, as in the other species. 

 Paleje and setae 5 to 8- 



2. * caroUniana. Somewhat glaucous: leaves all runci- 

 nate, and nearly smooth; scapes very long, and in common 

 with the base of the calix glandularly pilose. Hab. Near 

 St. Mary's, West Florida. — Dr. Baldwyn- Flowers orange. 

 Obs. a larger species than the preceding. Apparently 



