COMPOSIT.E. 221 TRAGOPOGON. 



acuminate, sessile, inconspicuous, only the radical ones runcinate. The 

 flowers are 1 — 2 inches in diameter, and placed rather remote on the long, 

 nakedish branches. Corollas flat, 5-toothed. The root is used in France as 

 a substitute for coffee. July — Sept. Ver. Succory. 



5 8. K R I' G 1 A . 

 Involucre many-leaved, nearly simple, equal; receptacle 

 naked ; pappus double, or consisting of 5 broad, membranous 

 scales surrounding 5 — 8 bristles several times as long as the 

 5-angled achenia. 



Named after Dr. Krieg, a German botanist, who accompanied Mr Vernon 

 (see Vernonia) to America in search of plants. Small acaulescent herbs. 

 Heads solitary with :20 — 30 yellow flowers. 



K. Virgi'NICA. JVilld. Hyoseris Virginica. L. 



Scape 1-flowered ; leaves lanceolate, lyrate, smooth; involucre smooth. 

 This little plant is found on sandy hills and by roadsides, flowering from May 

 to July. Scapes 1 — several, smooth, slender, 1 — 8 inches high. "After flow- 

 ering it becomes longer than the leaves. The primary leav'es are roundish, 

 entire; the rest irregularly lyrate. Scales of the involucre 10— 15, Unear- 

 lanceolate, arranged m a somewhat simple series. CoroUui. yellow. Achenia 

 turbinate, scabrous, reddish brown. Ann. Dicarf Dandelion. 



5 9. C Y' N T H I A . 

 Involucre nearly simple, of equal, narrow scales ; receptacle 

 flat, alveolate; pappus double, the outer minute, scaly ; inner 

 copious, capillar}! ; achenia short. 



Cynthia in heathen niythology was one of the names of Diana. Its appli- 

 cation to these plants is not very obvious. Leaves alternate or radical. 

 Heads with 12—15 yellow flowers. 



C. Virgi'nic.\. 



Stem mostly simple, scape-like ; radical leaves sublyrate or pinnatifid, on 

 short, winged petioles ; cauline ones lanceolate, amplexicaul, entire. In 

 sandy soils. Western N. Y. The plant is smooth and glaucous. Stem 1—2 

 feet high, often dichotomously divided, with 1—2 claspino- leaves at the forks. 

 Radical leaves 3 — 5 inches long, sometimes nearly entire. Heads terminal 

 on the bracteate and subiimbellate peduncles, with deep yellow flowers. 

 Scales united at base in a somewhat double series. May — July. 



Virginian Cynthia. 



60. TRAGO'POGON. 



Involucre simple, of many leaves; receptacle naked ; pappus 

 plumose, achenia longitudinally striate, contracted into a 

 long, filiform beak. 



Gr. TQayoi, a goat, TraiycDv, beard ; in allusion to the long, silky, tawny 

 beard of the fruit. Biennial European herbs, with long, linear, grass-like 

 leaves. 



1. PORRIFO LIUS. — Involucre much longer than the corolla; leaves 

 long, linear, undivided, straight; j:;ciZ«McZe thickened upwards. Stem 3 — 4 



T* 



