Cynthia. COMPOSITE. " 469 



rostrate. Pappus double ; the exterior of numerous very small chaffy 

 squamellaB ; the inner of numerous capillary and scabrous somewhat decidu- 

 ous bristles.— Perennial nearly glabrous and somewhat glaucous (North 

 American) herbs ; with very smooth undivided or pinnatifid leaves : the 

 scapes or peduncles slender, mostly glandular-hispid at the summit, and 

 bearing single middle-sized heads. Flowers bright yellow. 



§ 1. Caulescent, somewhat branched above : root not tuheriferovs : peduvcles 

 subumbellate : achenia oblong, slightly narrowed toivards the base. — Eu- 

 CYNTHIA, DC. (excl. char, invol. calycul.) (Luthera, Schultz.) 



1. C. Virginica (Don, 1. c.) : leaves oval, spatulate-oblong, or oblong- 

 lanceolate ; the radical on short winged petioles, angulate-denticulate, sinu- 

 ate-toothed, somewhat lyrate, or occasionally deeply pinnatifid; the cauline 

 1-2, clasping, mostly entire ; peduncles 2-5, elongated. — DC. ! I. c. — C. am- 

 plexicaulis, £ec^- / hot. p. 168; Darlingt. ! fl. Cest. p. U\. C. Griffithii, 

 Nutt. I in jour. acad. Philad. 7. p. 69. Tragopogon Virginicum, 

 Linn, spicc. 2. p. 789. Hyoseris amplexicaulis, Michx. ! fl. 2. p. 

 87. H. biflora, Walt. Car. p. 194. H. prenanthoides, Willd. spec. 3. p. 

 1516. Troximon Virginicum, Pers. syn. 2. p. 360 ; Pursh, fl. 2. p. 505. 

 Krigia amplexicaulis, Nutt. ! gen. 2. p. 127 ; Ell. sk. 2. p. 266. Luthera 

 Virginica, Schultz, in Linncea, 10. p. 257. 



Dry or moist sandy soil, bcc. New York ! Michigan ! and from Lake 

 Winipeg (X)r. Houghton!) to Kentucky! and the upper part of Carolina! 

 and Georgia! May-July.— Stem 1-2 "feet high, sometimes once or twice 

 forked, somewhat naked. Leaves 2-5 inches long. Peduncles subtended 

 either by a single small bracteant leaf, or by 2 unequal and nearly opposite 

 bracts. Achenia glabrous. Pappus strongly scabrous. — The slate with 

 pinnatifid or lyrate radical leaves not at all constant. 



§ 2. Acaulescent : roots tuberiferous : scapes naked, simple : achenia taper- 

 ing to the base, somewhat turbinate. — Adopogon, DC. (not of Neck. ?) 



2. C. Dandelion (DC. ! 1. c.) : scapes usually several from the same root ; 

 primary leaves spatulate-oblong ; the others linear-lanceolate, elongated, 

 mostly acute, either entire, repand-denticulate, remotely sinuate-toothed, or 

 laciniate-subplnnatifid ; the triangular-lanceolate divaricate lobes 2-3 on each 

 side. — C. Dandelion & C. Boscii, DC. ! I. c. C. lyrata, Nutt. ! in jour. acad. 

 Philad. 7. p. 69. Tragopogon Dandehum, Linn. spec. ed. 2. p. 1111 [pl. 

 Gronav. I) ; Willd. I. c. Troximon Dandelion, Pers. I. c. Hyoseris major, 

 Walt. I. c. H. angustifolia, Michx. fl. 2. p. 87 ; Pursh, I. c. Krigia 

 Dandelion, Nutt. ! gen. 2. p. 127 ; Ell. I. c. 



(3. leaves very narrowly linear and attenuated, either entire or sparingly 

 laciniate-pinnatifid. — Krigia Caroliniana, Hook. ! in compan. to bot. mag. 1. 

 p. 100, not of Nutt. 



y. often caulescent and decumbent ; leaves either remotely sinuate-pin- 

 natifid or entire ; the upper cauline somewhat opposite. — Hyoseris 

 montana, Michx. fl. 2. p. 87 .'' 



Low grounds and fields, Maryland ! and Virginia! to Alabama! Louis- 

 iana! Arkansas! and Texas! y. Wet rocks at Tulaloo Falls, and mountains 

 of Georgia, Mr. Buckley ! March-May.— Scapes 6-15 inches high: some 

 of the leaves often almost as long. Roots fibrous, bearing small round tubers at 

 the extremity. Achenia somewhat scabrous. Exterior squameliate pappus 

 always present; the bristles of the inner minutely scabrous. — Our var. /3. 



