126 SYKGENESIA. ^^UALIS. 



said to be scarcely distinct from Ilieracium. In tliis gerus 

 the leaves appear to be uniformly pinnatifid, or more or 

 less laciniated; scupes 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. caroliniana. Leontoclon caroliniannm. Wal- 

 ter, p. 192. Scorzonera pinnatijida. Mich. 2. p. 89. Chon- 

 ilrilla lixvigata. Ph. 2- p. 497. Leaves lanceolate, acute, 

 laciniate, subpinnatifid, or nearly entire, smooth; stem 

 erect, about S-flowered, peduncles very long; calicle short 

 and subulate. Hab. From Virginia to Florida, common; 

 llowers bright citron yellow, and about the size of .^par- 

 gia mUzimnalis. Ob?. 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 2 dorsal 

 ribs much smaller than the others. 



5S3. KRIGIA. Willdenow. 



Calix many-leaved, simple. Receptacle naked. 

 Papjnis double, external membranaceous 5 or 

 8-leaved, interior about 5, 8, or £4 scabrous 

 set£e. 



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

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

 ealix 8 to 12-parted, naked. 



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

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

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

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

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

 galeae and set?e 5 to 8- ' 



2. * caroliniana. 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. Baidwyn. Flowers orange. 

 Obs. a larger species than the preceding, ^^pparently 



