ORDER Lxvin. — COMPOSITE. 407 



Genus LXXXIlL— APO'GON. Ell. 

 (From a, without, and pagon^ a beard.) 



Heads few-flowered, 10 — 12. Involucre 8 -leaved, in a double 

 series. Receptacle naked, flat. Achenia lanceolate, transversely 

 striate. Pappus none. 



1. A. hu'milts, (Ell.) Stem branching, glabrous. Leaves sessile, ligu- 

 late, entire. Flowers terminal. — Yellow. April. 6 — 12 inches. 



Genus LXXXIV.— KRI'GIA. Schreb. 

 (In honor of David Krieg.) 



Involucrum many-leaved, simple ; receptacle naked, pitted ; 

 pappus double, exterior one chaffy, short, the interior pilose, 

 rough. Stigmas linear-ligulate. 



1. K. Virgin'ica, (Willd.) A very small plant, glaucous, the primary 

 leaves nearly round, entire, the rest lyrate, nearly glabrous. Scapes gla- 

 brous, 1-flowered, becoming elongated by age ; involucrum glabrous.— 

 Bright yellow. 0. April— May. Sandy soils. Near Columbia. 



Dwarf Dandelion. 



2. K. Carolinia'na, (Nutt.) Scapes hairy, glandular, long. Leaves 

 runcinate, pinnatifid, or lanceolate, lateral lobes acute, much smaller 

 than the terminal one, sometimes dentate, sprinkled with jointed hairs; 

 involucrum 10 — 20-parted, with linear-lanceolate segments, glabrous. 

 Corolla slightly hairy at the base. Seeds obconic, striate ; pappus com- 

 posed of 5 nearly round scales, and 5 scabrous bristles.— Bright yellow. 

 U. Feb. — April. Sandy soils. Common. 



Genus LXXXV.— CYN'THIA. Don. 



(Probably named from Mount Cynthus.) 



Heads many-flowered. Involucre many-leaved, scales in 2 

 series, exterior the shortest. Receptacle flat. Achenia short, 

 4-angled. Pappus in many series, the exterior paleaceous, the 

 interior pilose. Harbaceous plants, glabrous, with glabrous leaves. 



1. C. Virginia'na, (Don.) {Krigia amplexicaulis, Nutt.) Stem bear- 

 ing leaves, somewhat branched, glaucous; radical leaves spatulate, 

 lanceolate, dentate, cauline ones somewhat amplexicaul, lanceolate or 

 ovate ; involucrum generally 12-parted. Flowers solitary, at the ex- 

 tremity of the branches, large ; exterior pappus consisting of 8 scales. 

 — Yellow. If. June— July. Middle and upper dist. of Car. and Geo 

 12 — 14 inches. 



2. C. dandeli'on, (D. C.) {Krigia dandelion, Nutt.) Scape bearing a 

 few glandular hairs near the summit, slightly glaucous. Leaves oblong, 

 narrow, slightly obovate ; secondary leaves linear-lanceolate, long, 

 somewhat glaucous ; involucrum 10 — 13-parted. — Yellow. If.. April 

 —May. Southern Georgia. 



