258 COMPOSITE. Baccharis. 



gle series, often tortuous or somewhat plumose-penicillate, about the length 

 of the involucre ; of the fertile plant in one or several series, not thickened or 

 penicillate at the apex, usually much longer than the involucre. — Shrubs, 

 very rarely herbs (nearly all American), commonly glabrous and resinous, or 

 viscous. Leaves mostly alternate, entire or toothed, often decurrent on the 

 branches, forming either a foliaceous wing or narrow margins. Flowers 

 mostly white. 



* Natives of the United Stales. 



1. B. angusti folia (Michx.) : glabrous, much branched; the branchlets 

 angled ; leaves narrowly linear, sessile, entire, rather acute ; heads about 

 20-ilowered, axillary, pedunculate, and somewhat clustered at the summit of 

 the branches, forming a loose panicle ; scales of the involucre ovate-lanceo- ■ 

 late, acute.— MichxJ fl. 2. p. 125 ; Pursh, fl. 2. p. 523 ; Ell. ! sk. 2. p. 

 318; DC! j^roch. b. p. 423. 



Sea-coast, S. Carolina ! to Florida ! and Louisiana ! Sept.-Oct. — Shrub 

 6-10 feet high. Heads small. 



2. B. halimifoUa (Linn.) : arborescent, glabrous, somewhat scurfy-glau- 

 cescent ; the branches angled ; leaves obovate, coarsely angulate-toothed 

 above, cuneate at the base and somewiiat attenuate into a petiole; the up- 

 permost lanceolate, entire ; heads of the sterile plant subglobose, pedicellate, 

 solitary or aggregated ; the fertile loosely somewhat panicled ovate-oblong ; 

 scales of the sterile involucre ovate ; the inner ones elongated in the fertile. 

 DC— Linn.! spec. 2. p. 860; Michx.! fl. 2. p. 125 ; Pursh, fl. 2. p. 523 ; 

 ELL! sk. 2. p. 319 ; Duham. arb. {ed. 2) 1. 1. 60 ; DC! ]}rodr. 5. p. 412. 

 Senecio Vir2;inianus arborescens, Herm. parad. Bat. t. 225. Elichryso 

 affinis, &:c.,^Fliik. aim. t. 27, f. 2. 



Sandy beach of Connecticut ! New York ! and New Jersey, and through- 

 out the low country of the Southern States! " growing indiscriminately in 

 fresh or brackish soils," Ell. Sept.-Oct. — Shrub 6-12 feet high. Pappus 

 of the fertile flowers very long and slender. 



3. B. glom.eruliflora (Pers.) : shrubby, very glabrous ; the branches an- 

 gled ; leaves smooth, cuneate-obovate, attenuate into a short petiole, obtuse, 

 coarsely toothed ; the uppermost obovate-oblong, entire ; heads sessile and 

 crowded in the axils of the leaves ; the sterile involucre campanulate, with 

 the scales oblong and obtuse. DC. — Pers. syn. 2. j)- 423 ; Pursh, I. c. 

 B. sessiliflora, Michx.! 2. p. 125; Ell. sk. 2. p. 320; not of Vahl. 



Damp pine barrens along the sea-coast, (but not in brackish soils. Ell.) 

 Virginia to Florida ! and Louisiana ! Sept.-Nov. — Shrub 3-5 feet high. 

 Leaves pale green. Pappus of the fertile flowers very long, as in the pre- 

 ceding. — De Candolle, from whom we have taken the characters of this spe- 

 cies and B. hallmifolia, places the two at considerable distance from each 

 other ; and authors appear to have no doubt of tlieir distinctness : but, if in- 

 deed we are truly acquainted with the present species, we cannot distin- 

 guish them. 



4. B. salicina: " shrubbj'-, smooth ; branches angular; leaves mostly ob- 

 long-lanceolate, subdenticulate ; the uppermost nearly linear, entire, viscid ; 

 heads sessile, clustered ; involucre ovate, as well as the smooth scales." 

 Nutt. in trans. Anie.r. phil. soc. {n. ser.) 7. p. 337, under the name of B. sa- 

 licifolia, which is pre-occupied by Persoon. B. aff. rupicola, Torr. ! in 

 ann. lye. New York, 2. p. 211. 



Banks of the Arkansas. — Nearly allied to B. glomeruliflora. More or less 

 resinously punctate. Leaves very obscurely 3-nerved, attenuated into a pe- 

 tiole. Nuttall. — Dr. James collected this plant on the Canadian, but his spa- 



