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COMPOSITZ. (COMPOSITE FAMILY.) 219 
SUBORDER IIl. LIGULIFLOR X. 
Trine VIL CICHORACEUE. Style cylindrical above and pubescent, like the 
rather obtuse branches ; the stigmatic lines terminating below or near the middle of 
the branches. — Plants with milky juice: leaves alternate. 
81. APOGON, Ell. 
Heads 10-20-flowered. Scales of the involucre mostly 8, somewhat in two 
rows, nearly as long as the corolla, connivent in fruit. Receptacle naked. 
Achenia ovoid-oblong, terete, ribbed and transversely striate, smooth. Pappus 
none. — A low smooth and branching annual, with lanceolate entire or toothed 
leaves, and single or umbellate heads of yellow flowers, borne on slender pe- 
duncles, 
_ L A. humilis, Ell. — Florida to South Carolina. April and May. — 
Stem-leaves clasping ; the uppermost mostly opposite. — Plant 6/ — 12! high. 
82. KRIGIA, Schreb. 
Heads 15-30-flowered. Scales of the involucre 6 - 15, somewhat in 2 rows, 
equal. Receptacle naked. Achenia top-shaped, 5-angled. Pappus double; 
the outer of 5 broad chaffy scales; the inner of 5 rough bristles. — Small annual 
herbs, branching at the base, with naked peduncle-like stems, each terminated by 
à small head of yellow flowers. Leaves chiefly radical, mostly lyrate or toothed. - 
l. K. Virginica, Willd. Proper stem short, simple or forking; scapes 
at length several, slightly pubescent, elongated in fruit; leaves somewhat glau- 
` cous; the lowest rounded, entire; the others spatulate-oblong, pinnatifid. (K. 
dichotoma, Nutt.) — Dry sandy soil, Florida, and northward. March -May.— 
Scapes at length 19 high. 
2. K. Caroliniana, Nutt. Stem short; scapes pubescent or somewhat 
hispid near the apex ; leaves linear-lanceolate, acute at each end, entire or spar- 
ingly toothed, or the upper ones variously lobed. (K. leptophylla, DC.) — Dry 
sandy places, Florida to North Carolina. Feb. and March. — Scapes 3! - 12! 
83. CYNTHIA, Don. 
Heads many-flowered. Scales of the involucre 12-15. Achenia short, ob- 
long or top-shaped, obscurely 4-angled, not beaked. Pappus double; the outer of 
numerous, very small chaffy scales ; the inner of numerous bristles. — Perennial 
nearly smooth herbs, bearing single heads of yellow flowers on long more or 
less glandular peduncles or scapes. Leaves alternate, entire or pinnatifid. 
. l. C. Virginica, Don. Root fibrous ; stem branched above, bearing 3- 
5 heads on slender umbellate peduncles ; radical leaves oval or spatulate-oblong, 
toothed or pinnatifid ; the upper ones clasping and entire; achenia oblong. — 
— Aa 
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