Obdeb 10.— COMPOSITjE. 425 



Its., growing in fields, Mass. to I>a. St. rigid, brownish, 2 to 3f high, terete, 

 with numerous small hds. densely racemed and somewhat l-sided on the erect- 

 spreading, Blender branches. Lower st. Its. 4' long, gradually reduced in size 

 upwards. Eays pale purple. Aug. — Oct. 



jS. FB-4.GILTS. Cauline Its. serrulate or entire, short ; hda. much scattered on 

 the branches. (A. fragilis Willd.). 



32 A. miser Ait. T. & G. Starved Asteb. St. racomous-paniculatc, hairy 

 or pubescent ; Ivs. sessile, lanceolate, sharply serrate in the middle ; inTol. imbri- 

 cated with lance-linear, acutish scales ; rays short. — A very Tariable species, com- 

 mon in old fields, hedges, U. S. and Can. In height it Taries from 6 to 30', and 

 in luxuriance proportionately to the moisture or fertility of the soil The st. is 

 very branching or nearly simple, bearing a large, compound, racemous panicle, c- 

 a few simple racemes. Lv.s. narrow-lanceolate, or broad-lanceolate, always ser- 

 rate, 1 to 5' in length. Hds. usually numerous, small, with small, whito or pui- 

 plish rays. Aug. — Oct. (A. miser, divergena, diffusus and pendulus Ait.) 



f}. DIFFUSUS. Branches spreading, diifuso ; Ivs. elliptic-lanceolate, more or 



less narrowly so, midvein hairy beneath ; hds. often sessile, forming short, 



crowded spikes, or long, virgato onus. 

 y. HiBSUTiOAULis. St hirsute ; Iva long and narrow, raidveiu hirsute ; hds. 



racemous ov spicate, upper ones in short,- dense branches; scales hnear. (A. 



hirsuticauMs Lindl.) 



33 A. multifldrus L. Grayish, pubescent; si. diffusely branched; Iva. linear, 

 entire, sessile, obtuse-mucronate, margins subciliate ; Acfe. small ; invol. imbricate, 

 squarrous, linear or spatulato, with oblong, obtuse, ciliate scales. — A very bushy As- 

 ter, high, with very numerous, small fls. crowSed on the racemous branches, each 1 i 

 with about 12 whito rays .spreading 5 to 6". Lvs. 1 to 2' long, obtuse, very narroTv, 

 diminishing upwards to the scales. Rooks and dry fields, U. S. Variable. Sepi. 



34 A. grandifldrus L. Rough with stiff hairs ; st. rigid, branched, branc'ncs 

 somewhat corymbed and \-flowered; lvs. linear-spatulate or linear-oblong, small, 

 obtuse, rigid, subolasping; hds. very large; invol. squarrous, of numerous, obtuse, 

 reflexed scales, the outer leafy. — Dry, rocky places, Ta. to Ga. About 2f higii. 

 Lvs. below 1 to 2' long, diminishing upwards. Rays showy, spreading 18 to 20", 

 blue-purple. Sept. — Nov. 



35 A Carolinianus "Walt. Rough-pubescent, divaricately branched; lvs. 

 lance-ovate or oblong, acute, entire, clasping, the base abruptly produced into 

 small, auriculate lobes; hds. very large, scattered; scales imbricate, with squai- 

 rous, spreading, green tips. — A showy Aster, very tall, but slender, G to 13f high, 

 in damp thickets, S. Car. to Fla. Lvs. 1 to 3' long, 3 to 9" wide. Rays roso- 

 purple, numerous, spreading 15"- Sept., Oct. 



36 A. oblongifolius Nutt. St. rigid, diffusely branched, hairy; branches 

 spreading, with loose and irregular branchlets ; lvs. obUmg-lanceolate, acute, mu- 

 cronate, partly clasping, entire, rough-edged, or the branches and branchlets 

 (jraduaUy passing into the leafy, lanceolate, subcqual, spreading scalns. — Prairies, &c., 

 W. States. Plant 1 to 2f high, often glandular- viscid. Caulino lvs. 12 to 20'' by 

 3 to 5"; those of the branches 6" by 2", of the branchlets 3' by J-", indistin- 

 guishable from the scales. Rays purple. Pappus brownish. Sept., Oct. (A. 

 oblongifolius and A. graveolens Nutt) 



37 A Elliottii Torr. & Gr. Glabrous, stout; st angular; lvs. ample, lanceolate, 

 subclasping (not auricled), seiTate, with remote, small, appressed teeth; licit', 

 middle size, corymbous-paniculate ; ped. naMod; scales somewhat equal, linear-aU 

 tsnuate, mth spreading-or recurved greenish tips. — River-swamps, N. Car. lo (J^. 

 A very stout Aster, 2 to 4f high. Lower lvs. 6' to 8' long, narrowed to a wint'cU 

 petiole. Rays narrow, bright purple. Pappus tawny-white. Out., Nov. 



38 A. virgatus Ell. Glabrous; st. and brandies virgate, strict, races/tied; ic:. 

 linear-lanceolate, entire, half-clasping, margins ciliolate-serrulate, the upper 1 1 - 

 duced, becoming subulate, erect, numerous on the bramches and peduncles ; scales 

 lance-acuminate, the outer loose-spreading, graduating into the bracts ; ach. glat 

 rous. — Ga. to La. Sts. 2 to 3f high. Lvs. below, 3 to 6' by 3 to G", firm and 

 shining. Sept, Oct — Probably passes into tho next 



39 A Novi B^lgii L. New York Astee. St. terete, atout^ often glaucous, 



