Krigm. COMPOSITE. 411 



natifid, uppermost closely sessile, often seemingly opposite. — Sk. ii. 267; DC. 

 Prodr. vii. 78 ; Torr. & Gray, Fl. li 466. 



A., humilis, Ell. 1. c. Peduncles naked, or rarely with some ohscure glandular-bristly 

 hairs under the head : this in fruit only 2 lines high : corollas pure yellow, little longer than 

 iuvolucre : akeues oblong-obovate. — DC. 1. c. ; Torr. & Gray, 1. c, in part. A. li/ratioii, Kutt. 

 Jour. Acad. Philad. vii. 71, & Trans. Am. Phil. Soc. n. ser. vii. 424. Serinia caspitosa, Eaf. 

 Fl. Ludov. 149, cited in DC. 1. c. 261, should be either this or the next. — Open ground, S. 

 Carolina to Texas and Arkansas. 



A. gracilis, DC. 1. c. Sometimes slender and strict, not rarely more robust than the pre- 

 ceding, often some bristly hairs on the stem and lower leaves : peduncles usually glandular- 

 hispid some way below tlie head ; this commonly 3 lines high in fruit : corollas orange, con- 

 spicuously ex.serted, twice the length of the involucre : akeues rather thicker and obtuser at 

 apex, sometimes au obscure vestige of pappus ! — A. humllls, Nutt. Trans. Am. Phil. Soc. 1. c, 

 not Ell. — Rocky prairies, &c., Texas; first coll. in a very slender form by Berlandier. 

 Grows with the preceding, keeping distinct. 



A. Wrightii. Eesembling slender and narrow-leaved form of the preceding (such as Ber- 

 landier's original specimens) : rather diffuse : heads ecpially small : akeues larger and thicker 

 (over half-line long), little contracted at either end, and with comparatively large areola 

 (yet less than the full lireadth of the akene), this bordered by obscure vestige of pappus. 

 Possibly a hybrid between A. gracilis and Krigia occidentaUs. — E. Texas, Wright, in fruit. 



211. KRIG-IA, Schreb. (David Krig, or Krieg, an early collector in 

 Maryland and Delaware.) — Low herbs of Atlantic U. S., glabrous or somewhat 

 hispidulous ; Avith small or middle-sized heads of yellow flowers, terminating 

 slender naked peduncles or scapes ; these not rarely glandular-hispidulous at 

 summit: fl. in spring or summer. — Gen. PI. 532, Benth. & Hook. Gen. ii. 507. 

 Krigia &, Cynthia., Don ; Torr. & Gray, Fl. ii. 467, 468. ' 



§ 1. Cymbia, Torr. & Gray, 1. c. Acaulescent annuals : bracts of the invo- 

 lucre 5 to 8, o])long-lanceolate, in fruit becoming broader and firmer, erect and 

 navicular-carinate, with a conspicuous midnerve, or sometimes 2-3-nerved : akenes 

 turbinate, mostly 5-paleaceous and 5-aristate. 



K. OCCidentalis, Nutt. Scapes a span or more high, commonly glandular-hispidulous, at 

 least toward tlie summit : leaves obovate to lanceolate, entire, lyrately lobed or piunatifid : 

 heads 2 or 3 lines high : akenes transversely rugulose : pale* of the pappus conspicuous, 

 rounded-obovate ; bristles or rather awns alternating with these and over the stronger angles 

 of the akene sometimes equalling it in length, sometimes not surpassing the palete, some- 

 times (var. miitica, Torr. & Gray) obsolete or wanting. — Jour. Acad. Philad. vii. 104, & 

 Trans. Am. Phil. Soc. vii. 427 ; Torr. & Gray, Fl. ii. 468. K. nervosa, Hook. Ic. PI. iii. 

 t. 227, & K. hellioides, Scheele in Linn. xxv. 2.57, normal form, with pappus-awns double the 

 length of the palejE. — Prairies of Arkansas and Texas ; first coll. by Nuttall. 



§ 2. EuKRiGiA, Torr. & Gray, 1. c. Acaulescent and subcaulescent winter 

 ainiual ; bracts of the involucre 9 to 18, thin, remaining narrow and nearly nerve- 

 less, reflexed after the fall of the narrowly turbinate somewhat 5-angular akenes : 

 pappus of 5 to 7 (commonly 5) roundish short paleos, and of as many alternating 

 nearly capillary long bristles. — Krigia, Schreb., &c. 



TC . Virginica, AVilld. Varying much in size; often sparsely hispidulous: scapes 2 or 3 

 inches or at length a foot or more high, slender, not rarely caulescent below : leaves from 

 spatulate-obovate to lanceolate or linear, from few-toothed or entire to piunately parted : 

 heads 3 or 4 lines high : pappus-bristles fully twice the length of the akene. — Spec. iii. 

 1618. K. Virginica, dichotania, & Caroliniana, Nutt. Gen. ii. 127. A', leptoph'flla, DC. Prodr. 

 vii. 88, slender form. Ilf/oseris Virginica, L. Spec. ii. 809 ; Lam. Jour. Hist. Nat. i. 22, 

 t. 12; Walt. Car. 193; Michx. Fl. ii. 88. Hgoseris Caroliniana, Walt. 1. c. 1 Sandy 

 ground, Canada to Florida and Texas ; fl. from spring to autumn. 



