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. /?. leucokpis. DC. E. 

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



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

 canescent; hds. 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 U— 2J by \—\\ 

 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.) Goldenxod Eupatoriwn. 

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



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

 conspicuously 3-veined ; hds. 5-floAvered ; scales 8 — 12, obtuse, pubescent, — 

 Woods and sandy soils, Penn. and Western States, Pl-ummer! Stem round, 

 striate, 3 — 7f high. Leaves 3 — i' by l^-\', 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 za 

 long as the scales, Sept. Oct, 



8. E. ALBUM. (E. glandulosum, Michx.) WJiite-flowered Eupatorivm. 



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

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

 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 J — 1', upper ones 

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

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



9. E, TEUCRiFOLiuM. Willd. (E. verbenaefolium. Mx. E. pubescens. Pers.) 

 Hairy Eupatorium. — Lvs. opposite, sessile, distinct, ovate, rough, veiny, 



the lower ones doubly serrate, the upper ones subserrate or entire ; 5^, panicu- 

 late, pubescent, with fastigiate, cor}Tnbose 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. SEssiLiFOLiuM, Sessile-lcavcd Eupatorium. 



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 Avhite 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-flowcred, with twice as many scales in two rows. Sept. 



11. E. ROTUNDiFOLiUM. Willd. HnarJiound. 



L/vs. opposite, sessile, distinct, roundish-ovate, subcordate at base, 3-veined 

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

 5-flowercd, 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 — 24' 

 long, I as wide, mostly obtuse. Heads fastigiate-corymbose. Involucre very 

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

 than corolla. Styles much exserted. Aug. Sept. 

 ' 12. E. puBEscF.Ns. Miihl. (E. ovalum. Bw.) Hairy Eupatorium. 



S/. hirsute; //-.<?. opposite, sessile, ovate, acute, obtusely dentate, rough, 

 pubescent; corymb fastigiate; ivvnl. about 8-flowcred. — A large, rough plant, 

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

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

 12 pubescent scales, the outer much the shortest. Aug 

 27* 



