468 COMPOSITE. Krigia. 



reticulate-rugose by transverse lines. — Nuti. ! in jour. acad. Philad. 7. 

 p. 104, c^ in trans. Amer. phit. soc. I. c. p. 427. 



/3. mutica : bristles of inner pappus altogether wanting ! 



Arkansas, Nuttall ! Dr. Leavenworth ! Texas, Drummond ! (a. & /?. 

 under no. 164.) — Scarcely a span high. Earlier radical leaves in shape not 

 unlike those of Cardamine bellidifolia, sometimes lyrate-pinnatifid with 

 several divisions ; the later ones much more slender. One of two of the in- 

 volucral scales are usually 2-3-nerved, and 2-3-carinate in fruit. — Except as 

 to the pappus, the var. /3. is not distinguishable from the ordinary form. 



§ 2. Bristles of the "pappus much longer than the pentangular achenium : 

 scales of the involucre 10-18, linear-lanceolate, nearly nerveless, spreading 

 in fruit. — Eukrigia. 



2. K. Virginica (Willd.) : scapes at length several, sparsely and mi- 

 nutely pubescent, especially near the apex ; leaves somewhat glaucous ; the 

 primary orbicular or spatulate, mostly entire ; the succeeding spatulate- 

 oblono; or lanceolate, lyrate-toothed, or sinuate-pinnatifid. — Willd. spec. ^. 

 p. 1618 ; Nutt. ! gen. 2. p. 127 ; Ell. sJc. 2. p. 264 ,• Bigel. ft. Bost. ed. 2. 

 p. 289 ; Darlingt. ! fl.. Cest. p. 440; DC! I.e. Hyoseris Virginica, Linn, 

 spec. 2.p- 809 ; Lam. jour. hist. nat. 1. p. 22, t. 12 ; Michx. !fl. 2. p. 88. 

 Cynthia Virginica, Beck, hot. p. 169, not of Don. 



j3. dichotoma (Barton) : more caulescent ; stems much branched near the 

 base. — K. dichotoma, Nutt..' I. c. ; DC. ! I. c. Hyoseris ramosissima, Bart. 

 prodr. fl. Philad. 



Dry sandy grounds and rocks (rarely in wet places), Canada ! to Louis- 

 iana! and Texas! May-Aug. — Scapes 1-10 inches high. Flowers deep 

 yellow. Achenia minutely hispid-scabrous on the angles. — The var. /?. is a 

 summer state of the species. — Dwarf Dandelion. 



3. K. Caroliniana (Nutt.): scapes solitar}'^ or several, slightly and sparsely 

 pubescent, often somewhat hispid at the summit ; primary leaves linear- 

 lanceolate, acute at each end, entire or with one or two divaricate lobes on 

 each side; the succeeding variously pinnatifid, runcinate, or incised, acute 

 or obtuse. — Nutt. ! I. c. ; Ell. I. c. ; DC. ! I. c. Hyoseris Caroliniana, 

 Walt. Car. p. IM. 



j3. leptophylla : leaves all linear- lanceolate, acuminate, either entire or 

 with one or two slender divaricate lobes on each side. — K. leptophylla, 

 DC. ! I. c. 



Carolina ! to Florida, Alabama ! and Texas ! Feb.-May. — Scapes 1-12 

 inches high. Leaves very variable as to size, incision, &c. 



% Uncertain species. 



4. K. Montana (Nutt. 1. c.) : very glabrous, procumbent; leaves lanceolate 

 [or somewhat spatulate], entire; pappus double ; the exterior minute chaffy 

 scales and the bristles few. Michx. — Hyoseris montana, Michx. fl. 2. 

 p. 87. 



On the highest mountains of North Carolina, Michaux. 



180. CYNTHIA. Don. in Edinh. phil. jour. \2. p. 305 ; Less. ; DC. 



Heads many-flowered. Scales of the involucre 12-15, linear-lanceolate, 

 equal, somewhat in a double series, shorter than the corolla. Receptacle 

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



