290 COMPOSITE. Coreopsis. 



colored: fl. summer and autumn. Gen. no. 981; Torr. & Gray, Fl. ii. 338; 

 Benth. & Hook. Gen. ii. 384, partly. 



C. ASPERA, Pursh, Fl. ii. 570, and C. FLEXICAIJLIS, Raf. iu Med. Rep., are not identified, 

 and probably not of the genus. 



1. CALLIOPSIS. Style-tips truncate or obtusely short-conical: akenes not 

 villous-ciliate : outer involucre small, short and calyculiform, except in the last 

 species : rays obovate or cuneate, inclined to be palmately 3-4-toothed or lobed. 

 - Calliopsis, Coreoloma, & Cosmella, Torr. & Gray, Fl. 



* Perennials, with rose-red rays and yellow disk-flowers: akenes oblong, nearly straight, smooth. 

 Cosmella, Torr. & Gray. 



C. rosea, XCTT. Nearly glabrous, a foot or less high from slender creeping rootstocks, 

 branched, Icafv, bearing numerous small and short-peduncled heads : leaves opposite, linear 

 or nearly so and entire, or the lower 2-3-toothed or 3-parted : involucre 2 or 3 lines high : 

 rays rose-color, coarsely 3-toothed or lobed : akenes with merely callous margins and an 

 ubscure entire border at summit. Gen. ii. 179 ; Bart. Fl. Am. Sept. t. 12 ; Torr. & Gray, Fl. 

 ii. 348; Torr. Fl. N. Y. i. t. 57. Calliopsis rosea, Spreug. Syst. iii. 611. Grassy swamps, 

 coast of Mass, to Delaware and Georgia. 



C. nudata, NUTT. 1. c. Very smooth and glabrous : stem 2 to 4 feet high from a thick or 

 tuberous rootstock, rush-like, below bearing some alternate terete and filiform-subulate 

 leaves (the larger a foot long), above some scattered smaller ones, gradually reduced to 

 bracts, the naked summit forking and bearing a few slender pedunculate heads : involucre 

 4 or 5 lines high : rays showy, obscurely lobed, bright purplish rose-color, inch long : akenes 

 with fimbriately or pectinately dissected wings, and two short upwardly hirsute subulate 

 awns. Torr. & Gray, 1. c. ; Hook. f. Bot. Mag. t. 6419. Pine-barren swamps, Florida. 



* * Perennials, with yellow rays, dark purple disk-flowers, and mostly entire leaves: akenes 

 oblong or elliptical, straight, with fimbriate border or dissected wings and a pair of awns. 

 Coreoloma, Torr. & Grav, excl. first species. Rhabdocaulis & Eublepliaris, Nutt. Trans. Am. 

 Phil. Soc. vii. 359, excl. sp. 



* Stems not rarely alternate-leaved throughout, strict; the summit or flowering branches (bear- 

 ing solitary or scattered heads) naked and rush-like, their leaves being reduced to small subulate 

 bracts : cauline thickish and rather fleshy, especially when near brackish water, all tapering or 

 contracted at base. 



C. gladiata, WALT. Glabrous, or young leaves not rarely pilose-pubescent: stem terete, 

 2 to 4 feet high, all the upper part naked : principal leaves alternate, from broadly obovate- 

 oval to lanceolate-linear, obtuse, scarious-edged ; lower 3 to 6 inches long, with long margined 

 petiole dilated and partly clasping at insertion : involucre 4 or 5 lines high : rays commonly inch 

 long : mature akenes bordered by a strong pectinate fringe, and surmounted by 2 short rigid 

 awns or teeth which may not surpass the fringe. Car. 215; Nutt. Gen. I.e.; Ell. Sk. ii. 

 244; Torr. & Gray, Fl. ii. 347. C. dickotoma, Michx. Fl. ii. 137, mainly and by the char. 

 Moist pine barrens, S. Carolina to Florida, iu the low country, commoner near the coast. 



C. angUStif 61ia, AIT. Wholly glabrous : stem slender, mostly quadrangular, I to 3 feet 

 high : leaves narrower and smaller than in the foregoing, sometimes all opposite ; lower 

 spatulate-lanceolate and the upper spatulate-linear : heads and rays smaller, the latter about 

 half-inch long : akeues with narrow lacerate fimbriate wings and slender setiform awns. 

 Ait. Kew. iii. 253 ; Torr. & Gray, 1. c. C. dichotoma in part, Michx. 1. c. C. lini folia, Nutt. 

 Jour. Acad Philad. vii. 75. C. (Rhabdocaulis) linifolia & angustifolia, Nutt. Trans. Am. 

 Phil. Soc. 1. c. Moist pine barrens or swamps, N. Carolina to Florida and Texas. 

 4 * Steins leafy to near the summit, and the leaves opposite. 



C. integrifolia, POIR. Nearly glabrous, 2 or 3 feet high : leaves ovate or oblong, entire, 

 only inch and a half long, rounded at base ; upper almost sessile ; lower abruptly petioled : 

 ravs three-fourths inch long : akeues not seen : ovary minutely serrulate-hispidulous on the 

 margin, minutely awned. Suppl. ii. 353; DC. Prodr. v. 570; Torr. & Gray, Fl. ii. 347, 

 mainly. Carolina, Bosc (originals in herb. Poir., now of Cosson, & herb. DC.), S. Carolina, 

 Ravenel, and Georgia, Decatur Co., Chapman. Too little known. Ligules said by Poiret to 

 be linear-oblong and entire, which does not accord with our specimens, nor with the group. 



