ORDER 70. COMPOSITE. 415 



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

 Pine barrens, N. J. to Ga. (Miss Keen.) Approaches L. spicata. (L. 

 dubia Bart.) 



15 L. pilosa "\Villd. St. simple, pubescent; las. linear, pilous-ciliatc ; hdf. 

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

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

 Very rare and obscure. 



16 L. heterophylla 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). S. 

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



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

 Linnaeus.) Heads 10 to 25-flowered, ; scales of the involucre lance- 

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

 pappus in a single series, plumous ; achenin, cylindrical, striate, pubes- 

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

 of pale yellow florets. 



K. eupatoroides 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 (Gousans), to 

 Fla. 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. 



f3. Lvs. lance-linear, mostly entire, sessile ; pan. spreading, many-flowered ; fls. 

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



9. BRICKEL'LIA, Ell. (To Dr. Brickell, 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 ; fi. 10-striatc, contracted above; pappus 

 setaceous, in one series. 2 Herbs with tripli-veined leaves and large 

 heads of purple florets in corymbs. 



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

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

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

 corollas. W. Ga. (Pond) and Fla. A plant of fine appearance, 2 to 4f high. 

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

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



10. EUPATCTRIUM, Tourn. BONESET. (To Eupator, King of Pon- 

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

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

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

 achenia 5-angled. 2 Herbs, generally with opposite, simple Ivs. and 

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

 never yellow. 



<j Leaves mostly alternate, pinnately dissected. Heads paniculate Xos. 1,2 



Loaves mostly opposite or verticillate, pinnately dissected No. 8 



undivided. (*) 



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



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



a Flowers purplish. Lvs. whorled. Scales streaked and flesh colored Nos. 57 



a Flowers white, 5 only in each head. Leaves subsessile. (b) 



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



b Leaves acute at base. Scales obtuse, short, downy Nos. 1018 



b Leaves obtuse, roundish or truncate at the base Nos. 1416 



a Flowers white. 7 to 15 in each bead. Loaves various Nos. 17 "20 



* Scales all of equal length, in aoout 1 row. Leaves petiolate Nos. 2123 



1 E. fceniculaceum "\Villd. DOG FKXN'KL. Very branching, nearly glabrous; 



Ivs. all alternate-, the lower compoundly pinnate with linear filifom foments, the 



