EuPATORiuM. LXXV. COMPOSITiE. 315 



late, tripli- veined, punctate, lower ones subserrate, upper ones entire. — A more 

 delicate species, smooth in all its parts, or minutely pubescent, in dry fields, 

 Mass. ! to La. Stem about 2f high, branching, with numerous narrow leaves, 

 which are mostly opposite, and a spreading corymb at the summit. Heads 

 5-flowered. Outer scales shortest, the others shorter than the purplish flowers. 

 Aug. Sept. 



6. E. LEUcoLEPis. T. & G. (E. glaucescens. /?. leucolepis. DC. E. 

 linearifolium. Mx.) — St. mostly simple ; Ivs. lanceolate or linear, obtuse, 



closely sessile, serrate, lower ones obscurely tripli-veined ; carymb fastigiate, 

 canescent ; Ms. 5-flowered ; scales 8 — 10, scarious at the summit, as long as the 

 flowers.— Sandy fields, N. J. to La. Stem 2— 3f high. Leaves IJ— 2J by \ — f, 

 glaucous-green both sides, divaricate with the stem, upper ones linear and en- 

 tire. Corolla dilated at mouth, with short, obtuse lobes, white. Aug. — Oct. 



7. E. ALTissiMUM. (Kuhnia glutinosa. DC.) Goldetirod Eupatorium. 

 St. pubescent-tomentose, tall, corymbose at the summit ; Ivs. lanceolate, 



acutely serrate above the middle, pubescence tapering to each end, subsessile, 

 conspicuously 3-veined ; htJs. 5-flowered ; scales 8 — 12, obtuse, pubescent. — 

 Woods and sandy soils, Penn. and Western States, Plummer! Stem round, 

 striate, 3 — 7f high. Leaves 3 — 4' by J — |', much resembling those of Solidago 

 Canadensis ; small ones often fascicled in the axils. Corymb compound, con- 

 sisting of many simple, subcapitate ones. Corollas whitish, nearly twice as 

 long as the scales. Sept. Oct. 



8. E. ALBUM. (E. glandulosum. Mickx.) White-floioered Ewpatoriwni. 

 St. pubescent ; Ivs. ovate-lanceolate, strongly serrate, sessile, scabrous or 



pubescent, acute, obscurely 3-veined ; corymb fastigiate ; hds. 5-flowered ; scaUs 

 8 — 14, lance-linear, setaceously acuminate, scarious on the margin, and much 

 longer than the flowers ; ach. glandular. — Sandy fields, Penn. to La. Stem 

 about 2f high, numerously divided above. Leaves 2 — 3' by \ — 1', upper ones 

 entire and alternate. Involucre concealing the flowers, and with them copious- 

 ly sprinkled with resinous dots, whitish. Aug. — Oct. 



9. E. TEucRTFOLiuM. Willd. (E. verbenasfolium. Mx. E. pubescens. Pen.) 

 Hairy Eupatoriuvi. — L/vs. opposite, sessile, distinct, ovate, rough, veiny, 



the lower ones doubly serrate, the upper ones subserrate or entire ; st. panicu- 

 late, pubescent, with fastigiate, corymbose branches above. — Mass. ! to La. 

 Plant hairy, 2 — 3f high, with a somewhat panicled corymb of white flowers. 

 The upper leaves are often entire. Involucre 5-flowered, with twice as many- 

 scales in two rows. Closely allied to the following, but is much more rough. Aug. 



10. E. SESsiLiPOLiuM. Sessile-leaved Eupatormm. 



Lvs. opposite, sessile, distinct, amplexicaul, ovate-lanceolate, rounded at 

 the base, very smooth, serrate ; st. smooth. — Plant 2 — 4f high, in rocky woods, 

 Mass. to la. ! and Ga. Stem slender, erect, branching at top into a corymb 

 with white flowers. Leaves large, tapering regularly from the somewhat trun- 

 cate base to a long point, with small serratures, paler beneath. Flower-stalks 

 downy. Heads 5-flowered, with twice as many scales in two rows. Sept- 



11. E. ROTUNDiFoi.iUM. Willd. Hoarkcnind. 



Lvs. opposite, sessile, distinct, roundish-ovate, subcordate at base, 3-veined 

 and veinleted, coarsely serrate, scabrous above, pubescent beneath ; hds. about 

 5-flowered, inner scales acuminate, as long as the flowers. — A slender species, 

 in dry fields, N. J. and S. States. Stem 2— 3f high, roughish. Leaves 1— 2J' 

 long, I as wide, mostly obtuse. Heads fastigiate-cor}Tnbose. Involucre very 

 pubescent, outer scales shorter than the inner. Flowers white. Pappus longer 

 than corolla. Styles much exserted. Aug. Sept. 

 I 12. E. PUBESCENS. Muhl. (E. ovatum. Bw.) Hairy Eupatorium. 



St. hirsute ; lvs. opposite, sessile, ovate, acute, obtusely dentate, rough, 

 pubescent; corymb fastigiate; i^ivol. about 8-flowered. — A large, rough plant, 

 3 — 4fhigh, growing in" dry grounds, N. H. ! to Penn. Distinguished by its 

 opposite, broadly ovate leaves, and its strong pubescence. Involucre of about 

 12 pubescent scales, the outer much the shortest. Aug 

 27* 



