Bacchaaii. OOUVOSVVM. 360 



1. Baociiakii!! iiammikolu, Litin. Oromi<liid-buMh. 



I^mteflcent, imooth, minutely Rcurfy ; leaves oborate, inciiely tuothcd abore, cuneate at the 

 bane, and attenuate into a ithort petiole ; headt of the ateriie plant lomewhat globoae, lolitnry 

 or aggregated , of the fertile ovate-oblong, panicled ; (calet of the oterile involucre ovate, the 

 Inner onei elongated in the fertile,— /inn, up. 2. p. ftflO ; MicJiw. jl. 8, /;, la/J ; l'wih,fl, a. 

 p. 623 ; Kll. nk. 2, p. 319 ; Duham. arh. (cd. 2.) I. t.dO; Torr. compend. p. 288 ; DC. 

 prodr. 6, p. 412 ; Torr. <f (Jr. Jl. N. Am. 2, p. 2fl8, 



Stem 6-10 feet high, branched ; the branched crert and angled, clothed (aa well aa the 

 leaves) with very minute grayish scales, often exuding (particulitrly at the insertion of the 

 leaves) a pale resinous substance. Leaves alternate, 2-3 inches long and 1-2 inches wide, 

 thick and somewhat coriaceous, angularly toothed ; the uppermost oval or lanceolate, and often 

 nearly or quite entire. Heads in th/s sterile plant sessile, rnostiy aggregated at tho summit of 

 leafy branches ; in the fertile loosely paniculate. Scales of the involucre closely imbricated, 

 glutinous. Anthers very large. Pappus of the sterile plant plumose and somewhat pencillate ; 

 of the fertile very long and slender, simple. 



Handy beach of Long Island, September - October. 



Subtribe IIL Tabciionanthea, Less. HeadM ditcoid, never radiate, diaeimu or hettiro- 

 gamoui } the fertile floweri tuf/ular-Jili/orm, moBtly truncate ; wlisn heterogomoui, 

 bearing th» perfect or ttaminate flower $ in thn centre. Receptacle eometimet chaffy. 

 Antliert caudate at the base, — Leaves alternate, 



14. PLUCHEA. Catt, Ml. philom, 1817, p. 31 ; DC, prodr. 5, p. 440 ; EneU, gtn. 2414. 



MAltHB FLBAOASB. 

 ( NaiMd in MOHMMntion of ICost, Ptoeax, Mitiior of " SpsetseU 4« Is Nttura, ke," mJ otbor woiIm,] 



Heads many-flowered ; the central flowers m(#tly perfect but sterile, dilated and S'Cleft ; the 

 others filiform, pistillate, in many scries, truncate or minutely 2 - 3-toothed. Involucre 

 imbricated. Receptacle flat, mostly naked. Anthers bicaudate. Btyle in the central 

 flowers entire or minutely 2-t^MHhed. Achcnia somewhat cylindrical, angular or graved. 

 Pappus capillary, in a single series, slightly rough. — Mostly herbaceous and glandular 

 plants, emitting a strong terebinthine and rather disagreeable odor. Leaves oral or oUong, 

 •errate. Heads in crowded compound corymbs. Flowers mostly purplish. 



1. Pluchea camphorata, DC, Heande Mamh FUabane, 



Annual, minutely viscid-pubescent; leaves oblong-ovate ot lanceolatew)vaie, very aetHe, 

 nearly sessile, repandly serrate, minutely pubescent ami sprinkled with resintnis dfits ; corymbs 

 iastigiate ; scales of the involucre pubescent and viscid, ciliatc. — Torr, ^r Or, fl. N, Am, 2. 

 [Fmra.J 47 



