264 



CICHORIACEAE. 



[Vol.. III. 



2. Adopogon Dandelion (I,.) 



Kuntze. Dwarf Dandelion or 



Goatsbeard. (Fig. 3517.) 



Tragopogon Dandelion L- Sp. PI. Ed. 2, 11 11. 



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, 

 leafless, with a single head. Stolons filiform, 

 bearing globose tubers; leaves all basal, tufted, 

 linear-lanceolate to spatulate, entire, denticu- 

 late, sinuate, or pinuatifid, narrowed at the 

 base, 3 / -6 / long, i"s" wide; head about 1/ 

 broad; involucre nearly %,' high; pappus sim- 

 ilar to that of the preceding species. 



In moist soil, Maryland to Florida, west to Kan- 

 sas and Texas. April-June. 



3. Adopogon occidentale (Nutt.) 



Kuntze. Western Dwarf Dandelion. 



(Fig. 3518.) 



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



1834. 

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



1891. 



Annual, acaulescent; scapes tufted, 2 / -8 / high, 

 usually glandular, at least above, bearing a sin- 

 gle head 5 // -io // broad. Leaves basal, lanceo- 

 late to obovate, entire to pinuatifid, mostly 

 shorter than the scapes; involucre 2 // ~3 // high, 

 its bracts 5-8, lanceolate, becoming ovate-lan- 

 ceolate to ovate, firm and keeled at maturity, 

 remaining erect; achenes turbinate, transversely 

 wrinkled; pappus of 5 obovate scales and usu- 

 ally 5 alternating bristles. 



Prairies, southern Missouri to Texas. 



4. Adopogon Carolinianum (Walt.) 



Britton. Carolinia Dwarf Dandelion. 



Krigia. (Fig. 351 9.) 



Hyoseris Virginica L. Sp. PI. 809. 1753. Not 



Tragopogon Virginicum L,. 1753. 

 Hyoseris Caroliniana Walt. Fl. Car. 194. 1788. 

 Krigia Virginica Willd. Sp. PI. 3; 1618. 1804. 

 Krigia Caroliniana Nutt. Gen. 2: 126. 1818. 

 Adopogon Carolinianum Britton, Mem. Torr. Club. 



5: 346. 1894. 



Annual, acaulescent; scapes usually several 

 from the same root, very slender, glabrous or 

 hispidulous, monocephalous, i'-is' high, sim- 

 ple, or sometimes branched at or near the base. 

 Leaves commonly all basal, tufted, spatulate, 

 lanceolate or linear, pinnatifid, sinuate, lobed, 

 dentate or rarely entire, 1/-6' long, narrowed at 

 the base into usually margined petioles; head 

 3 // -7 // broad; involucre of 9-18 linear-lanceo- 

 late bracts, reflexed after the fall of the nar- 

 rowly turbinate somewhat 5-angled achenes; 

 pappus usually of 5 round short scales and 5-10 

 long capillary bristles. 



In dry, sandy soil, Maine to Ontario and Minne- 

 sota, Florida and Texas. April-Aug. 



