3 o8 



CICHORIACEAE. 



VOL. III. 



2. Cynthia Dandelion (L.) DC. Dwarf 



Dandelion or Goatsbeard. Fig. 4047. 

 Tragopogon Dandelion L. Sp. PI. Ed. 2, mi. 1763. 

 Krigia Dandelion Nutt. Gen. 2: 127. 1818. 

 Cynthia Dandelion DC. Prodr. 7 : 89. 1838. 



Adopogon Dandelion Kuntze, Rev. Gen. PI. 304. 

 1891. 



Perennial, acaulescent, glabrous and some- 

 what glaucous; scape 6'-i8' high, slender leaf- 

 less, with a single head. Stolons filiform, bear- 

 ing globose tubers; leaves all basal, tufted, 

 linear-lanceolate to spatulate, entire, denticulate, 

 sinuate, or pinnatifid, narrowed at the base, 

 3'-6' long, 2"-$" wide ; head about i' broad ; 

 involucre nearly \' high; pappus similar to that 

 of the preceding species. 



In moist soil, Maryland to Florida, Illinois, Mis- 

 souri, Kansas and Texas. April-June. 



6. CYMBIA (T. & G.) Standley, Contr. 

 Nat. Herb. 13: 354. 1911. 



An annual acaulescent herb, the leaves forming rosettes, the scapes monocephalous. 

 Involucral bracts 5-8, ovate to ovate-lanceolate, remaining erect in fruit. Receptacle naked. 

 Rays yellow, 5-toothed. Achenes turbinate, ribbed. Pappus an outer series of 5 obovate 

 scales, and an inner series of 5 bristles, much longer than the scales. [Greek, referring to 

 the cup-shaped fruiting involucre.] 



A monotypic genus of the south-central United States. 



i. Cymbia occidentalis (Nutt.) Standley. 

 Western Dwarf Dandelion. Fig. 4048. 



Krigia occidentalis Nutt. Journ. Acad. Phila. 7: 104. 

 1834- 



Adopogon occidentale Kuntze, Rev. Gen. PI. 304. 

 1891. 



C. occidentalis Standley, Contr. Nat. Herb. 13: 354. 

 1911. 



Scapes tufted, 2'-8' high, usually glandular, at 

 least above, sometimes glabrous, bearing a single 

 head 5"-io" broad. Leaves basal, lanceolate to 

 obovate, entire to pinnatifid, mostly shorter than 

 the scapes ; involucre 2"-$" high, firm and keeled 

 at maturity, remaining erect; achenes transversely 

 wrinkled; pappus of 5 obovate scales and 5 alter- 

 nating bristles, or these wanting. 



Prairies, southern Missouri and Kansas to Texas. 

 April-May. 



7. ARNOSERIS Gaertn. Fr. & Sem. 2 : 355. pi. 757. 1791. 



A low annual scapose herb, glabrous, or nearly so, with tufted basal dentate or nearly 

 entire leaves. Scapes several or numerous, simple or branched, upwardly thickened below 

 the solitary heads of yellow flowers. Involucre campanulate, its bracts in i series, narrow, 

 equal, thickened and keeled on the back after flowering, rarely with a few outer minute 

 ones. Receptacle flat, pitted, not chaffy. Anthers sagittate. Style-branches obtuse. Achenes 

 oval, 8-io-ribbed, narrowed below, truncate, or with a denticulate margin. Pappus none. 

 [Greek, lamb-succory.] 



A monotypic genus of western Europe. 



