410 COMPOSITE. Krigia. 



1. Krigia Virginica, Willd. Common Dwarf Dandelion. 



Scapes at length several, sparsely and minutely pubescent ; leaves somewhat glaucous ; 

 the primary ones orbicular or spatulate, mostly entire ; the succeeding oblong, lyrate or 

 sinuate-pinnatifid ; bristles of the pappus much longer than the pentangular achenium ; scales 

 of the involucre nearly nerveless. — Willd. sp. 3. p. 1618 ; Nutt. gen. 2. p. 127 ; Ell. sk. 2. 

 p.. 264 ; Bigel. fl. Bost. p. 289 ; Hook. jl. Bar. -Am. 1. p. 301 ; Darlingt. fi. Cest. p. 440 ; 

 DC. prodr. 7. p. 88 ; Torr. ^ Gr. Jl. N. Am. 2. p. 468. Hyoseris Virginica, Linn. ; 

 Michx. fl. 2. p. 88. Cynthia Virginica, Beck, hoi. p. 169, not of Don. 



Scapes 1-10 inches high, often numerous from one root. Leaves all radical, 1-2 inches 

 long ; the later ones usually with several narrow spreading or curved acute lobes, narrowed 

 into a petiole at the base. Heads about one-third of an inch in diameter. Scales of the 

 involucre 10-15, lanceolate, acute,* smooth, spreading in fruit. Flowers orange-yellow. 

 Achenia oblong-turbinate, strongly sulcate, rough on the angles. Bristles three times the 

 length of the achenium. 



Dry sandy soils, road-sides, etc. ; common. May - July. In its earliest state this plant 

 throws up a single short scape from a tuft of leaves, but at length branches from the base, 

 and often becomes more or less caulescent. 



47. CYNTHIA. D. Don in Edinb. phil. jour. 12. p. 305. CYNTHIA. 



[ " Perhaps from Mount Cynihus, which was sacred to ApoUo and Diana." Darlinoton.] 



Heads many-flowered. Scales of the involucre 12-15, somewhat in a double series, equal. 

 Receptacle flat, foveolate. Achenia short, obscurely quadrangular, many-striate, not ro- 

 strate. Pappus double ; the exterior of numerous very short chaffy scales ; the interior of 

 numerous capillary rough bristles. — Perennial, mostly smooth and glaucous herbs. Leaves 

 pinnatifid or undivided. Scapes or peduncles slender, elongated, bearing single or some- 

 what umbellate heads. Flowers yellow. 



1. Cynthia Virginica, Don. Virginian Cynthia. 



Caulescent ; leaves mostly spatulate-oblong ; the radical petioled, lyrate, sinuate-dentate 

 or pinnatifid ; the cauhne lanceolate, clasping, mostly entire ; peduncles 2-5, elongated, 

 somewhat umbelled. — D. Don, I. c. ; DC. prodr. l.p 89 ; Torr. ^ Gr.fl. N. Am. 2. p. 469. 

 C. amplexicauhs. Beck, hot. p. 168; Darlingt. fl. Cest. p. 441. C. Griflithsii, Nutt. in 

 jour. acad. Phil. 7. p. 69. Tragopogon Virginicum, Linn. sp. 2 p. 789. Hyoseris am- 

 plexicauhs, Michx. fl. 2. p. 87. H. prenanthoides, Willd. sp. 3. p. 1156. Troximon Vir- 

 ginicum, Pers. syn. 2. p. 360 ; Pursh, fl,. 2. p. 505. Krigia amplexicauhs, Nutt. gen. 2. 

 p. 187 ; Ell. sk. 2. p. 266. 



