Helianthus. composite. 327 



villous, especially on the margins. Kays 12-16, or in /3. 20, apparently pale 

 yellow, an inch and a halt' long. Corolla of the disk pubescent. 



t t Leaves opposite, or the uppermost sometimes alternate, 3-neiTed or triplinerved. 



22. H. doronkoidcs (Lam.) : stem branched, smooth below, scabrous-pu- 

 bescent or hirsute above ; leaves opposite or the upper alternate, ovate, or 

 ovate-lanceolate, acuminate, serrate, strongly triplinerved, scabrous above, 

 sottly pubescent benealli ; the upper sessile or somewhat petioled ; the lower 

 (often slightly cordate) on margined petioles ; scales of the involucre linear- 

 lanceolate, strongly hirsute-ciliale, acuminate, scarcely longer tlian the disk; 

 rays 12-15. — Lam. diet. 2. p. 84 (1789), ex DC ! prodr. 5. p. 587, excl. 

 syn. Ell. S^T. H. pubescens, f^ahl, synih. 2. p. 92, ex DC, &;■ Hook. hot. 

 maif. t. 211'i ; not of Willd. H. Hookeri, Don, in Loud. hart. Brit. 



(3. leaves appressed-serrate, sometimes closely sessile, finely tomentose- 

 canescent beneath. — H. pubescens. Hook..' hot. mag. t. 211di (excl. syn.), i!^- 

 compan. to hot. mag. 1. j)- 98. 



y. leaves less pubescent beneath ; the lower (often a foot long) coarsely 

 serrate-tool hed. 



Fields and river-bottoms, throughout the Western ! and inland portion of 

 the Southern States! July-Sept. — A large species, 5 to 8 feet higli. with 

 ample leaves and showy heads. Rays an inch and a half long. Chaff" of 

 the receptacle hairy at the summit, and more or less 3-toothed. Achenia 

 glabrous, or when young slightly pubescent above. Pappus of 2 fringed 

 subulate awns, and often with 2 or more intermediate dentictilate-fringed 

 squamellse. — The var. j3. often approaches H. tomentosus ; and some states 

 of var. y. are very near H. decapetalus. 



23. H. stnimosus {hmn.): stem simple or sparingly branched and sca- 

 brous-pubescent at the summit, smooth below; leaves opposite, ovate-lan- 

 ceolate, gradually acuminate, serrate with small appressed teeth, very sca- 

 brous above, whitish (and smooth or softly pubescent) beneath, somewhat 

 triplinerved, abruptly contracted into short margined petioles; scales of the 

 involucre lanceolate or ovate-lanceolate, acuminate, tomentose-ciliate, equal- 

 ling the disk, the summits squarrose-spreading; rays mostly 10. — Linn. ! 

 spec. 2. p. 905 ; Ait, Kcw. (ed. 1) 3. p. 249. (H. radice fusiformi, Hort. 

 Cliff. ; Mill. ! diet. ed. 7. no. 4. Chrysanthemum Canadense strumosum, 

 &c., Herm. hort. Lugd. ?) H. Iffivis, ^Wtdt. Car. p. 215 ? IL macrophyl- 

 lus, Willd. ! hort. Berol. t. 70, S^- enmn. p. 920 ; DC. ! prodr. 5. p. 587. 

 H. decapetalus, Darlingt.! fi. Ccst. p. 483. H. altissimus, DC i.e., 

 excl. p. 



i3. mollis: leaves softly canescent beneath. — H. mollis, Willd.! spec. 3. 

 p. 2240 (excl. syn. Michx.) ; Pursh, Ji. 2. p. 572; Ell.! sk. 2. p. 418; 

 Hook. ! hot. mag. t. 3689 ; not of Lam. 



y.l leptophylius : leaves lanceolate, slender, pale but nearly smooth be- 

 neath, almost entire.— H. tracheliifolius /3. folhs lanceolatis. Hook.! compan. 

 to hot. mag 1. ^?. 98. 



Copses and banks of rivers, Canada, and throughout the Northern and 

 "Western States ! to Georgia ! and Arkansas ! y. Covington, Louisiana, 

 Drummond! July-Sept.— Stem 2-4 feet high. Leaves 3-8 inches long, 

 an inch or less to 3 inches wide towards the base, on petioles half an inch or 

 rarely an inch long, tapering to a sharp point, serrulate, green above; the 

 lower surface of a glaucous or lead-colored hue, or nearly white, but often 

 glabrous, except a few minute hairs on the veins, thence varying to tomen- 

 tose-canescent ; the lateral nerves small, but usually continued by anasto- 

 mosing with the veins ; the branch-leaves sometimes alternate. Involucre 

 more imbricated and appressed than in the tiallowing, with short spreading 



