Order 70.— COMPOSITiE. 415 



hds. ou short pedicels, 7 to 10-flowered ; scales somowliat narrower, ciliate. 

 — Pine barrens, N, J. to (ia. (Miss Keen.) Approaches L. splcata^ (L. 

 dubia Bart.) 



15 Ii. pilosa Willd. Sb. simple, pubescent; Ivs. linear, pilous-ciliato ; hds. 

 loosely racemed ; scales linear-oblong, rather obtuse ; peduncles bracteolate. — In 

 pine barrens and sandy fields, N. J. to Car. (Pursh.) Seveu-milo Mt., Va. (Read.) 

 Very rare and obscure. 



16 L. heteroph^lla R. Br. St. simple, glabrous; Ivs, lanceolate, smooth and 

 glabrous ; upper linear-lanceolate, many times smaller ; hds. spicate, very short- 

 pedunculate ; invol. subsquarrous, scales lanceolate, acute, naked (not ciliate). — 3. 

 Car. and Ga. (Bartram.) A doubtful species, variety of L. scariosa ? 



8. KUH'WIA, L. (To Dr. Adam Kuhn, of Pennsylvania, a pupil of 

 LinnKus.) Heads 10 to 25-flowercd, ^ ; scales of the involuoro lance- 

 olate, loosely imbricated ; receptacle naked ; corolla slender, 5-toothed ; 

 pappus in a single series, plunious ; achenia cylindrical, striate, pubes- 

 cent. — U Herb with alternate, resinous-dotted Ivs., and corymbed hds. 

 of pale yellow florets. 



BL enpatoroides L. Lvs. lanceolate and lance-ovate, varying to lance-linear, 

 usually serrate, petiolate, sprinkled with resinous dots, especially beneath ; 

 corymb few or many-flowered. — Shady soils, N. J., Penn. and Iowa (Cousens), to 

 Pla. and La. Sts. 2 to 3f high. Lvs. thin, 1 to 4' long, often coarsely and un- 

 evenly toothed, lower 3-veined, upper 1-veined, and very small. Hds. few, ter- 

 minal. Pappus very plumous, white or tawny. Aug., Sept. 



/3. Lvs. hiuco-linear, mostly entire, sessile ; pan. spreading, many-flowered ; fis. 

 and fr. unchanged. — With the other varieties (K. Critonia WUld.) 



9. BRICKEL'LIA, Ell. [To Br. BricMl, of Savannah.) Heads 

 many-flowered, ^ ; scales imbricated, lanceolate or linear, striate ; re- 

 ceptacle naked, flat ; corolla tube slightly expanded above, 5-toothed ; 

 branches of the style clavate ; fr. lO-striato, contracted above ; pappus 

 setaceous, in one series. — 11 Herbs with tripli-veined leaves and large 

 heads of purple florets in corymbs. 



B. cordifolia Ell. Pubescent ; lvs. all opposite, triangular, truncate or cordate at 

 base, crenato, petiolate; corymbs dense, few-flowered; hds. 30 to 40-flowered; 

 scales obtuse, conspicuously striate, the inner as long as the purple pappus and 

 corollas. — W. Ga. (Pond) and Fla. A plant of fins appearance, 2 to 4f higli. 

 Lvs. large, sprinkled with shining dots beneath, 3-veined, the lateral veins mar- 

 pual just at the base. Sds. brown, longer than the purple pappus. Aug., Sept. 



iO. EUPATO'RIUffl, Tourn. Boneset. {To Eupator, King of Pon- 

 tus, who first used the plant in medicine.) Flowers all tubular, ^ ; in- 

 volucre imbricate, oblong ; style mftch cxserted, deeply cleft ; anthers 

 included ; receptacle naked, flat ; pappus capillary, simple, scabrous ; 

 achenia 5-angled. — 2f Herbs, generally with opposite, simple lvs. and 

 corymbous hds. Fls. of the cyanic series, that is white, blue, red, etc., 

 never yellow. 



e Leaves mostly alternate, pinnatolv dissected. Heads paniculate Nos. 1, 2 



§ Leaves mostly opposite or verticillate, — pinnately dissected No. 8 



— undivided. (*) 



* Scales imbricated in several rows, the outer gradually shorter, (a) 



a Flowers bluish. Leaves opposite. Scales strongly striate No. 4 



a Flowers purplish. Lvs. wfaorled. Scales streaked and flesli colored Nos. 6— T 



a Flowfvs white, — 5 only in each head. Leaves siibsessile. (b) 



b Leaves acute at base. Scales with acute white points Nos. 8, 9 



b Leaves acute at base. Scales obtuso, short, downy Nos, 10—13 



b Leaves obtuso, ronndisb or truncate at the base Nos. 14—16 



a Flowers white, 7 to 1.5 In each head. Ijoaves various Ntis. 17 — SO 



* Scales nil of equal length, in al>out 1 row. Leaves petiolate Nos. 21 — 23 



1, B. foeniculaceum Willd. DoQ Fennel. Very branching, nearly glabrous; 



Jus. all alternate, the lower compoundly pinnate with linear filifm-m segments, Viie, 



